Move common types out of web3 types

54 files changed, 489 insertions, 512 deletions

diff --git a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
index ad7727de5..6c96428ed 100644
--- a/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/contract_wrapper.ts
@@ -1,4 +1,4 @@
-import { BlockParamLiteral, LogWithDecodedArgs, RawLog } from '@0xproject/types';
+import { BlockParamLiteral, ContractAbi, FilterObject, LogEntry, LogWithDecodedArgs, RawLog } from '@0xproject/types';
 import { AbiDecoder, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Block, BlockAndLogStreamer } from 'ethereumjs-blockstream';
@@ -35,7 +35,7 @@ export class ContractWrapper {
     private _abiDecoder?: AbiDecoder;
     private _blockAndLogStreamerIfExists?: BlockAndLogStreamer;
     private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer;
-    private _filters: { [filterToken: string]: Web3.FilterObject };
+    private _filters: { [filterToken: string]: FilterObject };
     private _filterCallbacks: {
         [filterToken: string]: EventCallback<ContractEventArgs>;
     };
@@ -75,7 +75,7 @@ export class ContractWrapper {
         address: string,
         eventName: ContractEvents,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
         callback: EventCallback<ArgsType>,
     ): string {
         const filter = filterUtils.getFilter(address, eventName, indexFilterValues, abi);
@@ -92,7 +92,7 @@ export class ContractWrapper {
         eventName: ContractEvents,
         blockRange: BlockRange,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
     ): Promise<Array<LogWithDecodedArgs<ArgsType>>> {
         const filter = filterUtils.getFilter(address, eventName, indexFilterValues, abi, blockRange);
         const logs = await this._web3Wrapper.getLogsAsync(filter);
@@ -100,7 +100,7 @@ export class ContractWrapper {
         return logsWithDecodedArguments;
     }
     protected _tryToDecodeLogOrNoop<ArgsType extends ContractEventArgs>(
-        log: Web3.LogEntry,
+        log: LogEntry,
     ): LogWithDecodedArgs<ArgsType> | RawLog {
         if (_.isUndefined(this._abiDecoder)) {
             throw new Error(InternalZeroExError.NoAbiDecoder);
@@ -111,7 +111,7 @@ export class ContractWrapper {
     protected async _getContractAbiAndAddressFromArtifactsAsync(
         artifact: Artifact,
         addressIfExists?: string,
-    ): Promise<[Web3.ContractAbi, string]> {
+    ): Promise<[ContractAbi, string]> {
         let contractAddress: string;
         if (_.isUndefined(addressIfExists)) {
             if (_.isUndefined(artifact.networks[this._networkId])) {
@@ -125,7 +125,7 @@ export class ContractWrapper {
         if (!doesContractExist) {
             throw new Error(CONTRACT_NAME_TO_NOT_FOUND_ERROR[artifact.contract_name]);
         }
-        const abiAndAddress: [Web3.ContractAbi, string] = [artifact.abi, contractAddress];
+        const abiAndAddress: [ContractAbi, string] = [artifact.abi, contractAddress];
         return abiAndAddress;
     }
     protected _getContractAddress(artifact: Artifact, addressIfExists?: string): string {
@@ -139,8 +139,8 @@ export class ContractWrapper {
             return addressIfExists;
         }
     }
-    private _onLogStateChanged<ArgsType extends ContractEventArgs>(isRemoved: boolean, log: Web3.LogEntry): void {
-        _.forEach(this._filters, (filter: Web3.FilterObject, filterToken: string) => {
+    private _onLogStateChanged<ArgsType extends ContractEventArgs>(isRemoved: boolean, log: LogEntry): void {
+        _.forEach(this._filters, (filter: FilterObject, filterToken: string) => {
             if (filterUtils.matchesFilter(log, filter)) {
                 const decodedLog = this._tryToDecodeLogOrNoop(log) as LogWithDecodedArgs<ArgsType>;
                 const logEvent = {
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index 59bd4db6b..6b5a75a9a 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -3,6 +3,7 @@ import {
     BlockParamLiteral,
     DecodedLogArgs,
     ECSignature,
+    LogEntry,
     LogWithDecodedArgs,
     Order,
     SignedOrder,
@@ -10,7 +11,6 @@ import {
 import { AbiDecoder, BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 
 import { artifacts } from '../artifacts';
 import {
@@ -863,7 +863,7 @@ export class ExchangeWrapper extends ContractWrapper {
      * Checks if logs contain LogError, which is emitted by Exchange contract on transaction failure.
      * @param   logs   Transaction logs as returned by `zeroEx.awaitTransactionMinedAsync`
      */
-    public throwLogErrorsAsErrors(logs: Array<LogWithDecodedArgs<DecodedLogArgs> | Web3.LogEntry>): void {
+    public throwLogErrorsAsErrors(logs: Array<LogWithDecodedArgs<DecodedLogArgs> | LogEntry>): void {
         const errLog = _.find(logs, {
             event: ExchangeEvents.LogError,
         });
diff --git a/packages/0x.js/src/globals.d.ts b/packages/0x.js/src/globals.d.ts
index e2c321f38..3e8ea21bc 100644
--- a/packages/0x.js/src/globals.d.ts
+++ b/packages/0x.js/src/globals.d.ts
@@ -37,12 +37,13 @@ declare module 'ethereumjs-abi' {
 
 // truffle-hdwallet-provider declarations
 declare module 'truffle-hdwallet-provider' {
+    import { JSONRPCRequestPayload, JSONRPCResponsePayload } from '@0xproject/types';
     import * as Web3 from 'web3';
     class HDWalletProvider implements Web3.Provider {
         constructor(mnemonic: string, rpcUrl: string);
         public sendAsync(
-            payload: Web3.JSONRPCRequestPayload,
-            callback: (err: Error, result: Web3.JSONRPCResponsePayload) => void,
+            payload: JSONRPCRequestPayload,
+            callback: (err: Error, result: JSONRPCResponsePayload) => void,
         ): void;
     }
     export = HDWalletProvider;
diff --git a/packages/0x.js/src/index.ts b/packages/0x.js/src/index.ts
index 7885fb82a..e353a1d3d 100644
--- a/packages/0x.js/src/index.ts
+++ b/packages/0x.js/src/index.ts
@@ -16,7 +16,6 @@ export {
     MethodOpts,
     OrderTransactionOpts,
     TransactionOpts,
-    FilterObject,
     LogEvent,
     DecodedLogEvent,
     EventWatcherCallback,
@@ -28,6 +27,7 @@ export {
 
 export {
     BlockParamLiteral,
+    FilterObject,
     BlockParam,
     ContractEventArg,
     LogWithDecodedArgs,
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts
index e67b93251..246ab8292 100644
--- a/packages/0x.js/src/order_watcher/event_watcher.ts
+++ b/packages/0x.js/src/order_watcher/event_watcher.ts
@@ -1,9 +1,7 @@
+import { BlockParamLiteral, LogEntry } from '@0xproject/types';
 import { intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
-
-import { BlockParamLiteral } from '@0xproject/types';
 
 import { EventWatcherCallback, ZeroExError } from '../types';
 import { assert } from '../utils/assert';
@@ -23,7 +21,7 @@ export class EventWatcher {
     private _web3Wrapper: Web3Wrapper;
     private _pollingIntervalMs: number;
     private _intervalIdIfExists?: NodeJS.Timer;
-    private _lastEvents: Web3.LogEntry[] = [];
+    private _lastEvents: LogEntry[] = [];
     constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined | number) {
         this._web3Wrapper = web3Wrapper;
         this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs)
@@ -69,7 +67,7 @@ export class EventWatcher {
         await this._emitDifferencesAsync(newEvents, LogEventState.Added, callback);
         this._lastEvents = pendingEvents;
     }
-    private async _getEventsAsync(): Promise<Web3.LogEntry[]> {
+    private async _getEventsAsync(): Promise<LogEntry[]> {
         const eventFilter = {
             fromBlock: BlockParamLiteral.Pending,
             toBlock: BlockParamLiteral.Pending,
@@ -78,7 +76,7 @@ export class EventWatcher {
         return events;
     }
     private async _emitDifferencesAsync(
-        logs: Web3.LogEntry[],
+        logs: LogEntry[],
         logEventState: LogEventState,
         callback: EventWatcherCallback,
     ): Promise<void> {
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 65342b694..38cfb6306 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -3,7 +3,10 @@ import { BigNumber } from '@0xproject/utils';
 import {
     BlockParam,
     BlockParamLiteral,
+    ContractAbi,
     ContractEventArg,
+    FilterObject,
+    LogEntryEvent,
     LogWithDecodedArgs,
     Order,
     SignedOrder,
@@ -48,7 +51,7 @@ export type OrderAddresses = [string, string, string, string, string];
 
 export type OrderValues = [BigNumber, BigNumber, BigNumber, BigNumber, BigNumber, BigNumber];
 
-export type LogEvent = Web3.LogEntryEvent;
+export type LogEvent = LogEntryEvent;
 export interface DecodedLogEvent<ArgsType> {
     isRemoved: boolean;
     log: LogWithDecodedArgs<ArgsType>;
@@ -197,7 +200,7 @@ export type ArtifactContractName = 'ZRX' | 'TokenTransferProxy' | 'TokenRegistry
 
 export interface Artifact {
     contract_name: ArtifactContractName;
-    abi: Web3.ContractAbi;
+    abi: ContractAbi;
     networks: {
         [networkId: number]: {
             address: string;
@@ -222,7 +225,7 @@ export interface ValidateOrderFillableOpts {
  * flag when  running Parity).
  */
 export interface MethodOpts {
-    defaultBlock?: Web3.BlockParam;
+    defaultBlock?: BlockParam;
 }
 
 /*
@@ -242,8 +245,6 @@ export interface OrderTransactionOpts extends TransactionOpts {
     shouldValidate?: boolean;
 }
 
-export type FilterObject = Web3.FilterObject;
-
 export enum TradeSide {
     Maker = 'maker',
     Taker = 'taker',
diff --git a/packages/0x.js/src/utils/filter_utils.ts b/packages/0x.js/src/utils/filter_utils.ts
index 97205ace3..c5df7321e 100644
--- a/packages/0x.js/src/utils/filter_utils.ts
+++ b/packages/0x.js/src/utils/filter_utils.ts
@@ -1,8 +1,16 @@
+import {
+    ConstructorAbi,
+    ContractAbi,
+    EventAbi,
+    FallbackAbi,
+    FilterObject,
+    LogEntry,
+    MethodAbi,
+} from '@0xproject/types';
 import * as ethUtil from 'ethereumjs-util';
 import * as jsSHA3 from 'js-sha3';
 import * as _ from 'lodash';
 import * as uuid from 'uuid/v4';
-import * as Web3 from 'web3';
 
 import { BlockRange, ContractEvents, IndexedFilterValues } from '../types';
 
@@ -16,15 +24,15 @@ export const filterUtils = {
         address: string,
         eventName: ContractEvents,
         indexFilterValues: IndexedFilterValues,
-        abi: Web3.ContractAbi,
+        abi: ContractAbi,
         blockRange?: BlockRange,
-    ): Web3.FilterObject {
-        const eventAbi = _.find(abi, { name: eventName }) as Web3.EventAbi;
+    ): FilterObject {
+        const eventAbi = _.find(abi, { name: eventName }) as EventAbi;
         const eventSignature = filterUtils.getEventSignatureFromAbiByName(eventAbi, eventName);
         const topicForEventSignature = ethUtil.addHexPrefix(jsSHA3.keccak256(eventSignature));
         const topicsForIndexedArgs = filterUtils.getTopicsForIndexedArgs(eventAbi, indexFilterValues);
         const topics = [topicForEventSignature, ...topicsForIndexedArgs];
-        let filter: Web3.FilterObject = {
+        let filter: FilterObject = {
             address,
             topics,
         };
@@ -36,12 +44,12 @@ export const filterUtils = {
         }
         return filter;
     },
-    getEventSignatureFromAbiByName(eventAbi: Web3.EventAbi, eventName: ContractEvents): string {
+    getEventSignatureFromAbiByName(eventAbi: EventAbi, eventName: ContractEvents): string {
         const types = _.map(eventAbi.inputs, 'type');
         const signature = `${eventAbi.name}(${types.join(',')})`;
         return signature;
     },
-    getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> {
+    getTopicsForIndexedArgs(abi: EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> {
         const topics: Array<string | null> = [];
         for (const eventInput of abi.inputs) {
             if (!eventInput.indexed) {
@@ -60,7 +68,7 @@ export const filterUtils = {
         }
         return topics;
     },
-    matchesFilter(log: Web3.LogEntry, filter: Web3.FilterObject): boolean {
+    matchesFilter(log: LogEntry, filter: FilterObject): boolean {
         if (!_.isUndefined(filter.address) && log.address !== filter.address) {
             return false;
         }
diff --git a/packages/0x.js/test/event_watcher_test.ts b/packages/0x.js/test/event_watcher_test.ts
index 93ee9cd1c..2fa6c0580 100644
--- a/packages/0x.js/test/event_watcher_test.ts
+++ b/packages/0x.js/test/event_watcher_test.ts
@@ -1,4 +1,5 @@
 import { web3Factory } from '@0xproject/dev-utils';
+import { LogEntry } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
@@ -21,7 +22,7 @@ describe('EventWatcher', () => {
     let stubs: Sinon.SinonStub[] = [];
     let eventWatcher: EventWatcher;
     let web3Wrapper: Web3Wrapper;
-    const logA: Web3.LogEntry = {
+    const logA: LogEntry = {
         address: '0x71d271f8b14adef568f8f28f1587ce7271ac4ca5',
         blockHash: null,
         blockNumber: null,
@@ -31,7 +32,7 @@ describe('EventWatcher', () => {
         transactionHash: '0x004881d38cd4a8f72f1a0d68c8b9b8124504706041ff37019c1d1ed6bfda8e17',
         transactionIndex: 0,
     };
-    const logB: Web3.LogEntry = {
+    const logB: LogEntry = {
         address: '0x8d12a197cb00d4747a1fe03395095ce2a5cc6819',
         blockHash: null,
         blockNumber: null,
@@ -41,7 +42,7 @@ describe('EventWatcher', () => {
         transactionHash: '0x01ef3c048b18d9b09ea195b4ed94cf8dd5f3d857a1905ff886b152cfb1166f25',
         transactionIndex: 0,
     };
-    const logC: Web3.LogEntry = {
+    const logC: LogEntry = {
         address: '0x1d271f8b174adef58f1587ce68f8f27271ac4ca5',
         blockHash: null,
         blockNumber: null,
@@ -64,7 +65,7 @@ describe('EventWatcher', () => {
         eventWatcher.unsubscribe();
     });
     it('correctly emits initial log events', (done: DoneCallback) => {
-        const logs: Web3.LogEntry[] = [logA, logB];
+        const logs: LogEntry[] = [logA, logB];
         const expectedLogEvents = [
             {
                 removed: false,
@@ -89,8 +90,8 @@ describe('EventWatcher', () => {
         eventWatcher.subscribe(callback);
     });
     it('correctly computes the difference and emits only changes', (done: DoneCallback) => {
-        const initialLogs: Web3.LogEntry[] = [logA, logB];
-        const changedLogs: Web3.LogEntry[] = [logA, logC];
+        const initialLogs: LogEntry[] = [logA, logB];
+        const changedLogs: LogEntry[] = [logA, logC];
         const expectedLogEvents = [
             {
                 removed: false,
diff --git a/packages/abi-gen/package.json b/packages/abi-gen/package.json
index 2fdf19320..3c20249dd 100644
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -24,6 +24,7 @@
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen/README.md",
     "dependencies": {
         "@0xproject/utils": "^0.4.3",
+        "@0xproject/types": "^0.4.1",
         "@0xproject/typescript-typings": "^0.0.1",
         "chalk": "^2.3.0",
         "glob": "^7.1.2",
@@ -31,7 +32,6 @@
         "lodash": "^4.17.4",
         "mkdirp": "^0.5.1",
         "to-snake-case": "^1.0.0",
-        "web3": "^0.20.0",
         "yargs": "^10.0.3"
     },
     "devDependencies": {
diff --git a/packages/abi-gen/src/index.ts b/packages/abi-gen/src/index.ts
index 8932e4045..942bb12db 100644
--- a/packages/abi-gen/src/index.ts
+++ b/packages/abi-gen/src/index.ts
@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+import { AbiDefinition, ConstructorAbi, EventAbi, MethodAbi } from '@0xproject/types';
 import { logUtils } from '@0xproject/utils';
 import chalk from 'chalk';
 import * as fs from 'fs';
@@ -10,7 +11,6 @@ import * as mkdirp from 'mkdirp';
 import * as yargs from 'yargs';
 
 import toSnakeCase = require('to-snake-case');
-import * as Web3 from 'web3';
 
 import { ContextData, ContractsBackend, ParamKind } from './types';
 import { utils } from './utils';
@@ -120,12 +120,12 @@ for (const abiFileName of abiFileNames) {
         process.exit(1);
     }
 
-    let ctor = ABI.find((abi: Web3.AbiDefinition) => abi.type === ABI_TYPE_CONSTRUCTOR) as Web3.ConstructorAbi;
+    let ctor = ABI.find((abi: AbiDefinition) => abi.type === ABI_TYPE_CONSTRUCTOR) as ConstructorAbi;
     if (_.isUndefined(ctor)) {
         ctor = utils.getEmptyConstructor(); // The constructor exists, but it's implicit in JSON's ABI definition
     }
 
-    const methodAbis = ABI.filter((abi: Web3.AbiDefinition) => abi.type === ABI_TYPE_METHOD) as Web3.MethodAbi[];
+    const methodAbis = ABI.filter((abi: AbiDefinition) => abi.type === ABI_TYPE_METHOD) as MethodAbi[];
     const methodsData = _.map(methodAbis, methodAbi => {
         _.map(methodAbi.inputs, (input, i: number) => {
             if (_.isEmpty(input.name)) {
@@ -142,7 +142,7 @@ for (const abiFileName of abiFileNames) {
         return methodData;
     });
 
-    const eventAbis = ABI.filter((abi: Web3.AbiDefinition) => abi.type === ABI_TYPE_EVENT) as Web3.EventAbi[];
+    const eventAbis = ABI.filter((abi: AbiDefinition) => abi.type === ABI_TYPE_EVENT) as EventAbi[];
 
     const contextData = {
         contractName: namedContent.name,
diff --git a/packages/abi-gen/src/types.ts b/packages/abi-gen/src/types.ts
index deddb1857..df5b1feaf 100644
--- a/packages/abi-gen/src/types.ts
+++ b/packages/abi-gen/src/types.ts
@@ -1,4 +1,4 @@
-import * as Web3 from 'web3';
+import { EventAbi, MethodAbi } from '@0xproject/types';
 
 export enum ParamKind {
     Input = 'input',
@@ -17,7 +17,7 @@ export enum ContractsBackend {
     Ethers = 'ethers',
 }
 
-export interface Method extends Web3.MethodAbi {
+export interface Method extends MethodAbi {
     singleReturnValue: boolean;
     hasReturnValue: boolean;
 }
@@ -25,5 +25,5 @@ export interface Method extends Web3.MethodAbi {
 export interface ContextData {
     contractName: string;
     methods: Method[];
-    events: Web3.EventAbi[];
+    events: EventAbi[];
 }
diff --git a/packages/abi-gen/src/utils.ts b/packages/abi-gen/src/utils.ts
index c4520ade0..755fbc71a 100644
--- a/packages/abi-gen/src/utils.ts
+++ b/packages/abi-gen/src/utils.ts
@@ -1,17 +1,12 @@
+import { ConstructorAbi, DataItem } from '@0xproject/types';
 import * as fs from 'fs';
 import * as _ from 'lodash';
 import * as path from 'path';
-import * as Web3 from 'web3';
 
 import { AbiType, ContractsBackend, ParamKind } from './types';
 
 export const utils = {
-    solTypeToTsType(
-        paramKind: ParamKind,
-        backend: ContractsBackend,
-        solType: string,
-        components?: Web3.DataItem[],
-    ): string {
+    solTypeToTsType(paramKind: ParamKind, backend: ContractsBackend, solType: string, components?: DataItem[]): string {
         const trailingArrayRegex = /\[\d*\]$/;
         if (solType.match(trailingArrayRegex)) {
             const arrayItemSolType = solType.replace(trailingArrayRegex, '');
@@ -89,7 +84,7 @@ export const utils = {
             throw new Error(`Failed to read ${filename}: ${err}`);
         }
     },
-    getEmptyConstructor(): Web3.ConstructorAbi {
+    getEmptyConstructor(): ConstructorAbi {
         return {
             type: AbiType.Constructor,
             stateMutability: 'nonpayable',
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 554f0a41c..e9015713c 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -34,8 +34,7 @@
         "@0xproject/web3-wrapper": "^0.3.1",
         "@0xproject/typescript-typings": "^0.0.1",
         "ethers-contracts": "^2.2.1",
-        "lodash": "^4.17.4",
-        "web3": "^0.20.0"
+        "lodash": "^4.17.4"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index cc1e16a13..961da8842 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -1,16 +1,15 @@
-import { TxData, TxDataPayable } from '@0xproject/types';
+import { ContractAbi, DataItem, TxData, TxDataPayable } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as ethersContracts from 'ethers-contracts';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 
 export class BaseContract {
     protected _ethersInterface: ethersContracts.Interface;
     protected _web3Wrapper: Web3Wrapper;
-    public abi: Web3.ContractAbi;
+    public abi: ContractAbi;
     public address: string;
     protected static _transformABIData(
-        abis: Web3.DataItem[],
+        abis: DataItem[],
         values: any[],
         transformation: (type: string, value: any) => any,
     ): any {
@@ -46,20 +45,20 @@ export class BaseContract {
         // 2. Global config passed in at library instantiation
         // 3. Gas estimate calculation + safety margin
         const removeUndefinedProperties = _.pickBy;
-        const txDataWithDefaults = {
+        const txDataWithDefaults = ({
             to: this.address,
             ...removeUndefinedProperties(this._web3Wrapper.getContractDefaults()),
             ...removeUndefinedProperties(txData as any),
             // HACK: TS can't prove that T is spreadable.
             // Awaiting https://github.com/Microsoft/TypeScript/pull/13288 to be merged
-        };
+        } as any) as TxData;
         if (_.isUndefined(txDataWithDefaults.gas) && !_.isUndefined(estimateGasAsync)) {
             const estimatedGas = await estimateGasAsync(txData);
             txDataWithDefaults.gas = estimatedGas;
         }
         return txDataWithDefaults;
     }
-    constructor(web3Wrapper: Web3Wrapper, abi: Web3.ContractAbi, address: string) {
+    constructor(web3Wrapper: Web3Wrapper, abi: ContractAbi, address: string) {
         this._web3Wrapper = web3Wrapper;
         this.abi = abi;
         this.address = address;
diff --git a/packages/contract_templates/contract.handlebars b/packages/contract_templates/contract.handlebars
index 132cd60cc..08310c8f2 100644
--- a/packages/contract_templates/contract.handlebars
+++ b/packages/contract_templates/contract.handlebars
@@ -5,7 +5,7 @@
 // tslint:disable:no-consecutive-blank-lines
 // tslint:disable-next-line:no-unused-variable
 import { BaseContract } from '@0xproject/base-contract';
-import { TxData, TxDataPayable } from '@0xproject/types';
+import { BlockParam, BlockParamLiteral, CallData, ContractAbi, DataItem, MethodAbi, TxData, TxDataPayable } from '@0xproject/types';
 import { BigNumber, classUtils, promisify } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as ethersContracts from 'ethers-contracts';
@@ -40,7 +40,7 @@ export class {{contractName}}Contract extends BaseContract {
     {{> tx contractName=../contractName}}
     {{/this.constant}}
 {{/each}}
-    constructor(web3Wrapper: Web3Wrapper, abi: Web3.ContractAbi, address: string) {
+    constructor(web3Wrapper: Web3Wrapper, abi: ContractAbi, address: string) {
         super(web3Wrapper, abi, address);
         classUtils.bindAll(this, ['_ethersInterface', 'address', 'abi', '_web3Wrapper']);
     }
diff --git a/packages/contract_templates/partials/callAsync.handlebars b/packages/contract_templates/partials/callAsync.handlebars
index 93d347145..2d9028ad5 100644
--- a/packages/contract_templates/partials/callAsync.handlebars
+++ b/packages/contract_templates/partials/callAsync.handlebars
@@ -1,27 +1,22 @@
 {{#hasReturnValue}}
 async callAsync(
 {{> typed_params inputs=inputs}}
-{{#this.payable}}
-    txData: TxDataPayable = {},
-{{/this.payable}}
-{{^this.payable}}
-    txData: TxData = {},
-{{/this.payable}}
-    defaultBlock?: Web3.BlockParam,
+    callData: Partial<CallData> = {},
+    defaultBlock?: BlockParam,
 ): Promise<{{> return_type outputs=outputs}}> {
     const self = this as {{contractName}}Contract;
-    const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-    [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
+    const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+    [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
     const encodedData = self._ethersInterface.functions.{{this.name}}(
         {{> params inputs=inputs}}
     ).data;
-    const callData = await self._applyDefaultsToTxDataAsync(
+    const callDataWithDefaults = await self._applyDefaultsToTxDataAsync(
         {
             data: encodedData,
         }
     )
-    const rawCallResult = await self._web3Wrapper.callAsync(callData, defaultBlock);
-    const outputAbi = _.find(this.abi, {name: '{{this.name}}'}).outputs as Web3.DataItem[];
+    const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+    const outputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).outputs as DataItem[];
     const outputParamsTypes = _.map(outputAbi, 'type');
     let resultArray = ethersContracts.Interface.decodeParams(outputParamsTypes, rawCallResult) as any;
     resultArray = BaseContract._transformABIData(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
diff --git a/packages/contract_templates/partials/tx.handlebars b/packages/contract_templates/partials/tx.handlebars
index d517a9f7f..f76de3a70 100644
--- a/packages/contract_templates/partials/tx.handlebars
+++ b/packages/contract_templates/partials/tx.handlebars
@@ -2,16 +2,16 @@ public {{this.name}} = {
     async sendTransactionAsync(
     {{> typed_params inputs=inputs}}
     {{#this.payable}}
-        txData: TxDataPayable = {},
+        txData: Partial<TxDataPayable> = {},
     {{/this.payable}}
     {{^this.payable}}
-        txData: TxData = {},
+        txData: Partial<TxData> = {},
     {{/this.payable}}
     ): Promise<string> {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const encodedData = this._ethersInterface.functions.{{this.name}}(
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
+        const encodedData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
@@ -24,17 +24,17 @@ public {{this.name}} = {
                 {{> params inputs=inputs}}
             ),
         );
-        const txHash = await this._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+        const txHash = await self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
         return txHash;
     },
     async estimateGasAsync(
     {{> typed_params inputs=inputs}}
-        txData: TxData = {},
+        txData: Partial<TxData> = {},
     ): Promise<number> {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
         [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const encodedData = this._ethersInterface.functions.{{this.name}}(
+        const encodedData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
@@ -43,17 +43,16 @@ public {{this.name}} = {
                 data: encodedData,
             }
         );
-        const gas = await this._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+        const gas = await self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
         return gas;
     },
     getABIEncodedTransactionData(
     {{> typed_params inputs=inputs}}
-        txData: TxData = {},
     ): string {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const abiEncodedTransactionData = this._ethersInterface.functions.{{this.name}}(
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
+        const abiEncodedTransactionData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         return abiEncodedTransactionData;
diff --git a/packages/contracts/util/multi_sig_wrapper.ts b/packages/contracts/util/multi_sig_wrapper.ts
index 3b83ccb7b..9f6dcec52 100644
--- a/packages/contracts/util/multi_sig_wrapper.ts
+++ b/packages/contracts/util/multi_sig_wrapper.ts
@@ -1,3 +1,4 @@
+import { AbiDefinition, MethodAbi } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import ABI = require('ethereumjs-abi');
 import ethUtil = require('ethereumjs-util');
@@ -10,8 +11,8 @@ import { TransactionDataParams } from './types';
 
 export class MultiSigWrapper {
     private _multiSig: MultiSigWalletContract;
-    public static encodeFnArgs(name: string, abi: Web3.AbiDefinition[], args: any[]) {
-        const abiEntity = _.find(abi, { name }) as Web3.MethodAbi;
+    public static encodeFnArgs(name: string, abi: AbiDefinition[], args: any[]) {
+        const abiEntity = _.find(abi, { name }) as MethodAbi;
         if (_.isUndefined(abiEntity)) {
             throw new Error(`Did not find abi entry for name: ${name}`);
         }
diff --git a/packages/contracts/util/types.ts b/packages/contracts/util/types.ts
index 61a19acb4..321084c42 100644
--- a/packages/contracts/util/types.ts
+++ b/packages/contracts/util/types.ts
@@ -1,5 +1,5 @@
+import { AbiDefinition, ContractAbi } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
-import * as Web3 from 'web3';
 
 export interface BalancesByOwner {
     [ownerAddress: string]: {
@@ -51,7 +51,7 @@ export interface DefaultOrderParams {
 
 export interface TransactionDataParams {
     name: string;
-    abi: Web3.AbiDefinition[];
+    abi: AbiDefinition[];
     args: any[];
 }
 
@@ -105,7 +105,7 @@ export interface Artifact {
     contract_name: ContractName;
     networks: {
         [networkId: number]: {
-            abi: Web3.ContractAbi;
+            abi: ContractAbi;
             solc_version: string;
             keccak256: string;
             optimizer_enabled: number;
diff --git a/packages/deployer/src/compiler.ts b/packages/deployer/src/compiler.ts
index 1f521dca1..4741a9086 100644
--- a/packages/deployer/src/compiler.ts
+++ b/packages/deployer/src/compiler.ts
@@ -1,3 +1,4 @@
+import { ContractAbi } from '@0xproject/types';
 import { logUtils, promisify } from '@0xproject/utils';
 import * as ethUtil from 'ethereumjs-util';
 import * as fs from 'fs';
@@ -7,7 +8,6 @@ import * as path from 'path';
 import * as requireFromString from 'require-from-string';
 import * as semver from 'semver';
 import solc = require('solc');
-import * as Web3 from 'web3';
 
 import { binPaths } from './solc/bin_paths';
 import {
@@ -189,7 +189,7 @@ export class Compiler {
                 `Contract ${contractName} not found in ${fileName}. Please make sure your contract has the same name as it's file name`,
             );
         }
-        const abi: Web3.ContractAbi = JSON.parse(compiled.contracts[contractIdentifier].interface);
+        const abi: ContractAbi = JSON.parse(compiled.contracts[contractIdentifier].interface);
         const bytecode = `0x${compiled.contracts[contractIdentifier].bytecode}`;
         const runtimeBytecode = `0x${compiled.contracts[contractIdentifier].runtimeBytecode}`;
         const sourceMap = compiled.contracts[contractIdentifier].srcmap;
diff --git a/packages/deployer/src/deployer.ts b/packages/deployer/src/deployer.ts
index 68518a931..7ee45fed5 100644
--- a/packages/deployer/src/deployer.ts
+++ b/packages/deployer/src/deployer.ts
@@ -1,4 +1,4 @@
-import { AbiType, TxData } from '@0xproject/types';
+import { AbiType, ConstructorAbi, ContractAbi, TxData } from '@0xproject/types';
 import { logUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
@@ -71,7 +71,7 @@ export class Deployer {
             gas,
         };
         const abi = contractNetworkDataIfExists.abi;
-        const constructorAbi = _.find(abi, { type: AbiType.Constructor }) as Web3.ConstructorAbi;
+        const constructorAbi = _.find(abi, { type: AbiType.Constructor }) as ConstructorAbi;
         const constructorArgs = _.isUndefined(constructorAbi) ? [] : constructorAbi.inputs;
         if (constructorArgs.length !== args.length) {
             const constructorSignature = `constructor(${_.map(constructorArgs, arg => `${arg.type} ${arg.name}`).join(
@@ -107,7 +107,7 @@ export class Deployer {
      * @param txData Tx options used for deployment.
      * @return Promise that resolves to a web3 contract instance.
      */
-    private async _deployFromAbiAsync(abi: Web3.ContractAbi, args: any[], txData: Web3.TxData): Promise<any> {
+    private async _deployFromAbiAsync(abi: ContractAbi, args: any[], txData: TxData): Promise<any> {
         const contract: Web3.Contract<Web3.ContractInstance> = this.web3Wrapper.getContractFromAbi(abi);
         const deployPromise = new Promise((resolve, reject) => {
             /**
diff --git a/packages/deployer/src/globals.d.ts b/packages/deployer/src/globals.d.ts
index 83db346f9..5b0d495d5 100644
--- a/packages/deployer/src/globals.d.ts
+++ b/packages/deployer/src/globals.d.ts
@@ -2,7 +2,6 @@ declare module 'dirty-chai';
 
 // tslint:disable:completed-docs
 declare module 'solc' {
-    import * as Web3 from 'web3';
     export interface ContractCompilationResult {
         srcmap: string;
         srcmapRuntime: string;
diff --git a/packages/deployer/src/utils/contract.ts b/packages/deployer/src/utils/contract.ts
index 9c57751ff..9b7baac11 100644
--- a/packages/deployer/src/utils/contract.ts
+++ b/packages/deployer/src/utils/contract.ts
@@ -1,4 +1,5 @@
 import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import { ContractAbi, EventAbi, FunctionAbi, MethodAbi, TxData } from '@0xproject/types';
 import { promisify } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
@@ -7,14 +8,14 @@ import { AbiType } from './types';
 
 export class Contract implements Web3.ContractInstance {
     public address: string;
-    public abi: Web3.ContractAbi;
+    public abi: ContractAbi;
     private _contract: Web3.ContractInstance;
-    private _defaults: Partial<Web3.TxData>;
+    private _defaults: Partial<TxData>;
     private _validator: SchemaValidator;
     // This class instance is going to be populated with functions and events depending on the ABI
     // and we don't know their types in advance
     [name: string]: any;
-    constructor(web3ContractInstance: Web3.ContractInstance, defaults: Partial<Web3.TxData>) {
+    constructor(web3ContractInstance: Web3.ContractInstance, defaults: Partial<TxData>) {
         this._contract = web3ContractInstance;
         this.address = web3ContractInstance.address;
         this.abi = web3ContractInstance.abi;
@@ -24,8 +25,8 @@ export class Contract implements Web3.ContractInstance {
         this._validator = new SchemaValidator();
     }
     private _populateFunctions(): void {
-        const functionsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Function) as Web3.FunctionAbi[];
-        _.forEach(functionsAbi, (functionAbi: Web3.MethodAbi) => {
+        const functionsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Function) as FunctionAbi[];
+        _.forEach(functionsAbi, (functionAbi: MethodAbi) => {
             if (functionAbi.constant) {
                 const cbStyleCallFunction = this._contract[functionAbi.name].call;
                 this[functionAbi.name] = promisify(cbStyleCallFunction, this._contract);
@@ -42,8 +43,8 @@ export class Contract implements Web3.ContractInstance {
         });
     }
     private _populateEvents(): void {
-        const eventsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Event) as Web3.EventAbi[];
-        _.forEach(eventsAbi, (eventAbi: Web3.EventAbi) => {
+        const eventsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Event) as EventAbi[];
+        _.forEach(eventsAbi, (eventAbi: EventAbi) => {
             this[eventAbi.name] = this._contract[eventAbi.name];
         });
     }
@@ -51,7 +52,7 @@ export class Contract implements Web3.ContractInstance {
         const promisifiedWithDefaultParams = async (...args: any[]) => {
             const promise = new Promise((resolve, reject) => {
                 const lastArg = args[args.length - 1];
-                let txData: Partial<Web3.TxData> = {};
+                let txData: Partial<TxData> = {};
                 if (this._isTxData(lastArg)) {
                     txData = args.pop();
                 }
diff --git a/packages/deployer/src/utils/encoder.ts b/packages/deployer/src/utils/encoder.ts
index e3acde252..4f62662e1 100644
--- a/packages/deployer/src/utils/encoder.ts
+++ b/packages/deployer/src/utils/encoder.ts
@@ -1,15 +1,15 @@
+import { AbiDefinition, ContractAbi, DataItem } from '@0xproject/types';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 import * as web3Abi from 'web3-eth-abi';
 
 import { AbiType } from './types';
 
 export const encoder = {
-    encodeConstructorArgsFromAbi(args: any[], abi: Web3.ContractAbi): string {
+    encodeConstructorArgsFromAbi(args: any[], abi: ContractAbi): string {
         const constructorTypes: string[] = [];
-        _.each(abi, (element: Web3.AbiDefinition) => {
+        _.each(abi, (element: AbiDefinition) => {
             if (element.type === AbiType.Constructor) {
-                _.each(element.inputs, (input: Web3.DataItem) => {
+                _.each(element.inputs, (input: DataItem) => {
                     constructorTypes.push(input.type);
                 });
             }
diff --git a/packages/deployer/src/utils/types.ts b/packages/deployer/src/utils/types.ts
index 540b31aff..7cb3958cb 100644
--- a/packages/deployer/src/utils/types.ts
+++ b/packages/deployer/src/utils/types.ts
@@ -1,4 +1,4 @@
-import { TxData } from '@0xproject/types';
+import { ContractAbi, TxData } from '@0xproject/types';
 import * as Web3 from 'web3';
 import * as yargs from 'yargs';
 
@@ -23,7 +23,7 @@ export interface ContractNetworkData {
     optimizer_enabled: boolean;
     keccak256: string;
     source_tree_hash: string;
-    abi: Web3.ContractAbi;
+    abi: ContractAbi;
     bytecode: string;
     runtime_bytecode: string;
     address?: string;
diff --git a/packages/monorepo-scripts/tsconfig.json b/packages/monorepo-scripts/tsconfig.json
index c56d255d5..5ec2db5e0 100644
--- a/packages/monorepo-scripts/tsconfig.json
+++ b/packages/monorepo-scripts/tsconfig.json
@@ -1,6 +1,7 @@
 {
     "extends": "../../tsconfig",
     "compilerOptions": {
+        "typeRoots": ["node_modules/@types"],
         "outDir": "lib"
     },
     "include": ["./src/**/*"]
diff --git a/packages/react-docs-example/ts/docs.tsx b/packages/react-docs-example/ts/docs.tsx
index 68db66b60..eef331813 100644
--- a/packages/react-docs-example/ts/docs.tsx
+++ b/packages/react-docs-example/ts/docs.tsx
@@ -46,26 +46,25 @@ const docsInfoConfig: DocsInfoConfig = {
     typeConfigs: {
         // Note: This needs to be kept in sync with the types exported in index.ts. Unfortunately there is
         // currently no way to extract the re-exported types from index.ts via TypeDoc :(
-        publicTypes: ['TxData', 'TransactionReceipt', 'RawLogEntry'],
+        publicTypes: [
+            'TxData',
+            'TransactionReceipt',
+            'RawLogEntry',
+            'BlockParam',
+            'ContractAbi',
+            'FilterObject',
+            'LogEntry',
+            'BlockWithoutTransactionData',
+            'CallData',
+            'LogEntryEvent',
+        ],
         typeNameToExternalLink: {
             Web3: 'https://github.com/ethereum/wiki/wiki/JavaScript-API',
             Provider: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L150',
-            BigNumber: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L127',
-            LogEntryEvent: 'http://mikemcl.github.io/bignumber.js',
-            CallData: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L348',
-            BlockWithoutTransactionData:
-                'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L314',
-            LogEntry: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L366',
-            FilterObject: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L109',
-            ['Web3.BlockParam']: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L278',
-            ['Web3.ContractAbi']: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L47',
+            BigNumber: 'http://mikemcl.github.io/bignumber.js',
         },
         typeNameToPrefix: {
             Provider: 'Web3',
-            CallData: 'Web3',
-            BlockWithoutTransactionData: 'Web3',
-            LogEntry: 'Web3',
-            FilterObject: 'Web3',
         },
         typeNameToDocSection: {
             Web3Wrapper: docSections.web3Wrapper,
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index 6b5183ff2..1e3124822 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -39,8 +39,9 @@
     "homepage": "https://github.com/0xProject/0x.js/packages/sol-cov/README.md",
     "dependencies": {
         "@0xproject/subproviders": "^0.8.2",
-        "@0xproject/utils": "^0.3.4",
+        "@0xproject/utils": "^0.4.3",
         "@0xproject/typescript-typings": "^0.0.1",
+        "@0xproject/types": "^0.4.1",
         "ethereumjs-util": "^5.1.1",
         "glob": "^7.1.2",
         "istanbul": "^0.4.5",
@@ -48,8 +49,7 @@
         "semaphore-async-await": "^1.5.1",
         "solidity-coverage": "^0.4.10",
         "solidity-parser-antlr": "^0.2.7",
-        "solidity-parser-sc": "^0.4.4",
-        "web3": "^0.20.0"
+        "solidity-parser-sc": "^0.4.4"
     },
     "devDependencies": {
         "@0xproject/monorepo-scripts": "^0.1.14",
@@ -67,8 +67,7 @@
         "sinon": "^4.0.0",
         "tslint": "5.8.0",
         "typedoc": "0xProject/typedoc",
-        "typescript": "2.7.1",
-        "web3-typescript-typings": "^0.9.11"
+        "typescript": "2.7.1"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/sol-cov/src/coverage_subprovider.ts b/packages/sol-cov/src/coverage_subprovider.ts
index 37682c45f..1c80dca7b 100644
--- a/packages/sol-cov/src/coverage_subprovider.ts
+++ b/packages/sol-cov/src/coverage_subprovider.ts
@@ -1,14 +1,14 @@
 import { Callback, ErrorCallback, NextCallback, Subprovider } from '@0xproject/subproviders';
+import { BlockParam, CallData, JSONRPCRequestPayload, TransactionTrace, TxData } from '@0xproject/types';
 import { promisify } from '@0xproject/utils';
 import * as _ from 'lodash';
 import { Lock } from 'semaphore-async-await';
-import * as Web3 from 'web3';
 
 import { constants } from './constants';
 import { CoverageManager } from './coverage_manager';
 import { TraceInfoExistingContract, TraceInfoNewContract } from './types';
 
-interface MaybeFakeTxData extends Web3.TxData {
+interface MaybeFakeTxData extends TxData {
     isFakeTransaction?: boolean;
 }
 
@@ -58,7 +58,7 @@ export class CoverageSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method
-    public handleRequest(payload: Web3.JSONRPCRequestPayload, next: NextCallback, end: ErrorCallback) {
+    public handleRequest(payload: JSONRPCRequestPayload, next: NextCallback, end: ErrorCallback) {
         switch (payload.method) {
             case 'eth_sendTransaction':
                 const txData = payload.params[0];
@@ -110,8 +110,8 @@ export class CoverageSubprovider extends Subprovider {
         cb();
     }
     private async _onCallExecutedAsync(
-        callData: Partial<Web3.CallData>,
-        blockNumber: Web3.BlockParam,
+        callData: Partial<CallData>,
+        blockNumber: BlockParam,
         err: Error | null,
         callResult: string,
         cb: Callback,
@@ -125,7 +125,7 @@ export class CoverageSubprovider extends Subprovider {
             params: [txHash, { disableMemory: true, disableStack: true, disableStorage: true }], // TODO For now testrpc just ignores those parameters https://github.com/trufflesuite/ganache-cli/issues/489
         };
         const jsonRPCResponsePayload = await this.emitPayloadAsync(payload);
-        const trace: Web3.TransactionTrace = jsonRPCResponsePayload.result;
+        const trace: TransactionTrace = jsonRPCResponsePayload.result;
         const coveredPcs = _.map(trace.structLogs, log => log.pc);
         if (address === constants.NEW_CONTRACT) {
             const traceInfo: TraceInfoNewContract = {
@@ -147,7 +147,7 @@ export class CoverageSubprovider extends Subprovider {
             this._coverageManager.appendTraceInfo(traceInfo);
         }
     }
-    private async _recordCallTraceAsync(callData: Partial<Web3.CallData>, blockNumber: Web3.BlockParam): Promise<void> {
+    private async _recordCallTraceAsync(callData: Partial<CallData>, blockNumber: BlockParam): Promise<void> {
         // We don't want other transactions to be exeucted during snashotting period, that's why we lock the
         // transaction execution for all transactions except our fake ones.
         await this._lock.acquire();
diff --git a/packages/subproviders/src/globals.d.ts b/packages/subproviders/src/globals.d.ts
index 2c86346f5..ebc4efe86 100644
--- a/packages/subproviders/src/globals.d.ts
+++ b/packages/subproviders/src/globals.d.ts
@@ -73,11 +73,11 @@ declare module 'web3-provider-engine/subproviders/subprovider' {
     export = Subprovider;
 }
 declare module 'web3-provider-engine/subproviders/rpc' {
-    import * as Web3 from 'web3';
+    import { JSONRPCRequestPayload } from '@0xproject/types';
     class RpcSubprovider {
         constructor(options: { rpcUrl: string });
         public handleRequest(
-            payload: Web3.JSONRPCRequestPayload,
+            payload: JSONRPCRequestPayload,
             next: () => void,
             end: (err: Error | null, data?: any) => void,
         ): void;
@@ -102,11 +102,11 @@ declare module 'web3-provider-engine/util/rpc-cache-utils' {
     export = ProviderEngineRpcUtils;
 }
 declare module 'web3-provider-engine/subproviders/fixture' {
-    import * as Web3 from 'web3';
+    import { JSONRPCRequestPayload } from '@0xproject/types';
     class FixtureSubprovider {
         constructor(staticResponses: any);
         public handleRequest(
-            payload: Web3.JSONRPCRequestPayload,
+            payload: JSONRPCRequestPayload,
             next: () => void,
             end: (err: Error | null, data?: any) => void,
         ): void;
diff --git a/packages/subproviders/src/index.ts b/packages/subproviders/src/index.ts
index d88792fd0..9786347e6 100644
--- a/packages/subproviders/src/index.ts
+++ b/packages/subproviders/src/index.ts
@@ -1,5 +1,6 @@
 import Eth from '@ledgerhq/hw-app-eth';
 import TransportU2F from '@ledgerhq/hw-transport-u2f';
+export { ECSignature } from '@0xproject/types';
 
 import { LedgerEthereumClient } from './types';
 
@@ -15,7 +16,6 @@ export {
     Callback,
     ErrorCallback,
     NextCallback,
-    ECSignature,
     LedgerWalletSubprovider,
     LedgerCommunicationClient,
     NonceSubproviderErrors,
diff --git a/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts b/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
index dc570b152..595ec654d 100644
--- a/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
+++ b/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
@@ -1,4 +1,4 @@
-import * as Web3 from 'web3';
+import { JSONRPCRequestPayload } from '@0xproject/types';
 
 import { Callback, ErrorCallback } from '../types';
 
@@ -18,7 +18,7 @@ export class EmptyWalletSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method
-    public handleRequest(payload: Web3.JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
         switch (payload.method) {
             case 'eth_accounts':
                 end(null, []);
diff --git a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
index a6f978db1..966c37d8a 100644
--- a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
+++ b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
@@ -1,4 +1,4 @@
-import * as Web3 from 'web3';
+import { JSONRPCRequestPayload } from '@0xproject/types';
 
 import { Callback, ErrorCallback } from '../types';
 
@@ -32,7 +32,7 @@ export class FakeGasEstimateSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method
-    public handleRequest(payload: Web3.JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
         switch (payload.method) {
             case 'eth_estimateGas':
                 end(null, this._constantGasAmount);
diff --git a/packages/subproviders/src/subproviders/ganache.ts b/packages/subproviders/src/subproviders/ganache.ts
index fc0b9c3d2..785de792d 100644
--- a/packages/subproviders/src/subproviders/ganache.ts
+++ b/packages/subproviders/src/subproviders/ganache.ts
@@ -1,3 +1,4 @@
+import { JSONRPCRequestPayload } from '@0xproject/types';
 import * as Ganache from 'ganache-core';
 import * as Web3 from 'web3';
 
@@ -28,7 +29,7 @@ export class GanacheSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method
-    public handleRequest(payload: Web3.JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
         this._ganacheProvider.sendAsync(payload, (err: Error | null, result: any) => {
             end(err, result && result.result);
         });
diff --git a/packages/subproviders/src/subproviders/injected_web3.ts b/packages/subproviders/src/subproviders/injected_web3.ts
index cd9b0b603..edecd8bf6 100644
--- a/packages/subproviders/src/subproviders/injected_web3.ts
+++ b/packages/subproviders/src/subproviders/injected_web3.ts
@@ -1,3 +1,4 @@
+import { JSONRPCRequestPayload } from '@0xproject/types';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
@@ -30,7 +31,7 @@ export class InjectedWeb3Subprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method
-    public handleRequest(payload: Web3.JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
         switch (payload.method) {
             case 'web3_clientVersion':
                 this._injectedWeb3.version.getNode(end);
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 8bc70d8b6..95784a391 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -1,11 +1,11 @@
 import { assert } from '@0xproject/assert';
+import { JSONRPCRequestPayload } from '@0xproject/types';
 import { addressUtils } from '@0xproject/utils';
 import EthereumTx = require('ethereumjs-tx');
 import ethUtil = require('ethereumjs-util');
 import HDNode = require('hdkey');
 import * as _ from 'lodash';
 import { Lock } from 'semaphore-async-await';
-import * as Web3 from 'web3';
 
 import {
     Callback,
@@ -208,7 +208,7 @@ export class LedgerSubprovider extends Subprovider {
      */
     // tslint:disable-next-line:async-suffix
     public async handleRequest(
-        payload: Web3.JSONRPCRequestPayload,
+        payload: JSONRPCRequestPayload,
         next: Callback,
         end: (err: Error | null, result?: any) => void,
     ) {
diff --git a/packages/subproviders/src/subproviders/nonce_tracker.ts b/packages/subproviders/src/subproviders/nonce_tracker.ts
index 249f16199..907330111 100644
--- a/packages/subproviders/src/subproviders/nonce_tracker.ts
+++ b/packages/subproviders/src/subproviders/nonce_tracker.ts
@@ -1,9 +1,8 @@
 import * as _ from 'lodash';
 
-import { BlockParamLiteral } from '@0xproject/types';
+import { BlockParamLiteral, JSONRPCRequestPayload } from '@0xproject/types';
 import EthereumTx = require('ethereumjs-tx');
 import ethUtil = require('ethereumjs-util');
-import * as Web3 from 'web3';
 import providerEngineUtils = require('web3-provider-engine/util/rpc-cache-utils');
 
 import { Callback, ErrorCallback, NextCallback, NonceSubproviderErrors } from '../types';
@@ -19,7 +18,7 @@ const NONCE_TOO_LOW_ERROR_MESSAGE = 'Transaction nonce is too low';
  */
 export class NonceTrackerSubprovider extends Subprovider {
     private _nonceCache: { [address: string]: string } = {};
-    private static _reconstructTransaction(payload: Web3.JSONRPCRequestPayload): EthereumTx {
+    private static _reconstructTransaction(payload: JSONRPCRequestPayload): EthereumTx {
         const raw = payload.params[0];
         if (_.isUndefined(raw)) {
             throw new Error(NonceSubproviderErrors.EmptyParametersFound);
@@ -28,7 +27,7 @@ export class NonceTrackerSubprovider extends Subprovider {
         const transaction = new EthereumTx(rawData);
         return transaction;
     }
-    private static _determineAddress(payload: Web3.JSONRPCRequestPayload): string {
+    private static _determineAddress(payload: JSONRPCRequestPayload): string {
         let address: string;
         switch (payload.method) {
             case 'eth_getTransactionCount':
@@ -55,11 +54,7 @@ export class NonceTrackerSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:async-suffix
-    public async handleRequest(
-        payload: Web3.JSONRPCRequestPayload,
-        next: NextCallback,
-        end: ErrorCallback,
-    ): Promise<void> {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: NextCallback, end: ErrorCallback): Promise<void> {
         switch (payload.method) {
             case 'eth_getTransactionCount':
                 const requestDefaultBlock = providerEngineUtils.blockTagForPayload(payload);
@@ -92,7 +87,7 @@ export class NonceTrackerSubprovider extends Subprovider {
                 return next();
         }
     }
-    private _handleSuccessfulTransaction(payload: Web3.JSONRPCRequestPayload): void {
+    private _handleSuccessfulTransaction(payload: JSONRPCRequestPayload): void {
         const address = NonceTrackerSubprovider._determineAddress(payload);
         const transaction = NonceTrackerSubprovider._reconstructTransaction(payload);
         // Increment the nonce from the previous successfully submitted transaction
@@ -105,7 +100,7 @@ export class NonceTrackerSubprovider extends Subprovider {
         const nextPrefixedHexNonce = `0x${nextHexNonce}`;
         this._nonceCache[address] = nextPrefixedHexNonce;
     }
-    private _handleSendTransactionError(payload: Web3.JSONRPCRequestPayload, err: Error): void {
+    private _handleSendTransactionError(payload: JSONRPCRequestPayload, err: Error): void {
         const address = NonceTrackerSubprovider._determineAddress(payload);
         if (this._nonceCache[address] && _.includes(err.message, NONCE_TOO_LOW_ERROR_MESSAGE)) {
             delete this._nonceCache[address];
diff --git a/packages/subproviders/src/subproviders/redundant_rpc.ts b/packages/subproviders/src/subproviders/redundant_rpc.ts
index ace2ed3c8..f8ff0915d 100644
--- a/packages/subproviders/src/subproviders/redundant_rpc.ts
+++ b/packages/subproviders/src/subproviders/redundant_rpc.ts
@@ -1,6 +1,6 @@
+import { JSONRPCRequestPayload } from '@0xproject/types';
 import { promisify } from '@0xproject/utils';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
 
 import { Callback } from '../types';
@@ -16,7 +16,7 @@ export class RedundantRPCSubprovider extends Subprovider {
     private _rpcs: RpcSubprovider[];
     private static async _firstSuccessAsync(
         rpcs: RpcSubprovider[],
-        payload: Web3.JSONRPCRequestPayload,
+        payload: JSONRPCRequestPayload,
         next: Callback,
     ): Promise<any> {
         let lastErr: Error | undefined;
@@ -55,7 +55,7 @@ export class RedundantRPCSubprovider extends Subprovider {
      */
     // tslint:disable-next-line:async-suffix
     public async handleRequest(
-        payload: Web3.JSONRPCRequestPayload,
+        payload: JSONRPCRequestPayload,
         next: Callback,
         end: (err: Error | null, data?: any) => void,
     ): Promise<void> {
diff --git a/packages/subproviders/src/subproviders/subprovider.ts b/packages/subproviders/src/subproviders/subprovider.ts
index 4fa351e11..26ce19305 100644
--- a/packages/subproviders/src/subproviders/subprovider.ts
+++ b/packages/subproviders/src/subproviders/subprovider.ts
@@ -1,3 +1,4 @@
+import { JSONRPCRequestPayload, JSONRPCResponsePayload } from '@0xproject/types';
 import promisify = require('es6-promisify');
 import * as Web3 from 'web3';
 
@@ -37,9 +38,7 @@ export class Subprovider {
      * @param payload JSON RPC payload
      * @returns JSON RPC response payload
      */
-    public async emitPayloadAsync(
-        payload: Partial<JSONRPCRequestPayloadWithMethod>,
-    ): Promise<Web3.JSONRPCResponsePayload> {
+    public async emitPayloadAsync(payload: Partial<JSONRPCRequestPayloadWithMethod>): Promise<JSONRPCResponsePayload> {
         const finalPayload = Subprovider._createFinalPayload(payload);
         const response = await promisify(this._engine.sendAsync, this._engine)(finalPayload);
         return response;
diff --git a/packages/subproviders/src/types.ts b/packages/subproviders/src/types.ts
index 9bb9ff696..a1fec1882 100644
--- a/packages/subproviders/src/types.ts
+++ b/packages/subproviders/src/types.ts
@@ -1,8 +1,5 @@
-import { ECSignature } from '@0xproject/types';
+import { ECSignature, JSONRPCRequestPayload } from '@0xproject/types';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
-
-export { ECSignature } from '@0xproject/types';
 
 export interface LedgerCommunicationClient {
     close: () => Promise<void>;
@@ -116,6 +113,6 @@ export type Callback = () => void;
 export type OnNextCompleted = (err: Error | null, result: any, cb: Callback) => void;
 export type NextCallback = (callback?: OnNextCompleted) => void;
 
-export interface JSONRPCRequestPayloadWithMethod extends Web3.JSONRPCRequestPayload {
+export interface JSONRPCRequestPayloadWithMethod extends JSONRPCRequestPayload {
     method: string;
 }
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index a94cfbe3a..969081ad5 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -1,3 +1,4 @@
+import { JSONRPCResponsePayload } from '@0xproject/types';
 import Eth from '@ledgerhq/hw-app-eth';
 // HACK: This depdency is optional and tslint skips optional depdencies
 // tslint:disable-next-line:no-implicit-dependencies
@@ -97,7 +98,7 @@ describe('LedgerSubprovider', () => {
                 params: [],
                 id: 1,
             };
-            const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+            const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                 expect(err).to.be.a('null');
                 expect(response.result.length).to.be.equal(10);
                 done();
@@ -115,7 +116,7 @@ describe('LedgerSubprovider', () => {
                     params: [signer, messageHex],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result.length).to.be.equal(132);
                     expect(response.result.substr(0, 2)).to.be.equal('0x');
@@ -135,7 +136,7 @@ describe('LedgerSubprovider', () => {
                     params: [messageHex, signer],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result.length).to.be.equal(132);
                     expect(response.result.substr(0, 2)).to.be.equal('0x');
@@ -155,7 +156,7 @@ describe('LedgerSubprovider', () => {
                 params: [tx],
                 id: 1,
             };
-            const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+            const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                 expect(err).to.be.a('null');
                 expect(response.result.raw.length).to.be.equal(206);
                 expect(response.result.raw.substr(0, 2)).to.be.equal('0x');
@@ -193,7 +194,7 @@ describe('LedgerSubprovider', () => {
                     params: [tx],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     const result = response.result;
                     expect(result.length).to.be.equal(66);
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index 4c0803a29..3cb487f02 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -1,3 +1,4 @@
+import { JSONRPCResponsePayload } from '@0xproject/types';
 import * as chai from 'chai';
 import * as ethUtils from 'ethereumjs-util';
 import * as _ from 'lodash';
@@ -112,7 +113,7 @@ describe('LedgerSubprovider', () => {
                     params: [],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result.length).to.be.equal(10);
                     expect(response.result[0]).to.be.equal(FAKE_ADDRESS);
@@ -128,7 +129,7 @@ describe('LedgerSubprovider', () => {
                     params: ['0x0000000000000000000000000000000000000000', messageHex],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result).to.be.equal(
                         '0xa6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae491480652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d001',
@@ -145,7 +146,7 @@ describe('LedgerSubprovider', () => {
                     params: [messageHex, '0x0000000000000000000000000000000000000000'],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result).to.be.equal(
                         '0xa6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae491480652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d001',
@@ -168,7 +169,7 @@ describe('LedgerSubprovider', () => {
                     params: [tx],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.be.a('null');
                     expect(response.result.raw.length).to.be.equal(192);
                     expect(response.result.raw.substr(0, 2)).to.be.equal('0x');
@@ -186,7 +187,7 @@ describe('LedgerSubprovider', () => {
                     params: ['0x0000000000000000000000000000000000000000', nonHexMessage],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.not.be.a('null');
                     expect(err.message).to.be.equal('Expected data to be of type HexString, encountered: hello world');
                     done();
@@ -201,7 +202,7 @@ describe('LedgerSubprovider', () => {
                     params: [nonHexMessage, '0x0000000000000000000000000000000000000000'],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.not.be.a('null');
                     expect(err.message).to.be.equal('Expected data to be of type HexString, encountered: hello world');
                     done();
@@ -219,7 +220,7 @@ describe('LedgerSubprovider', () => {
                     params: [tx],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.not.be.a('null');
                     expect(err.message).to.be.equal(LedgerSubproviderErrors.SenderInvalidOrNotSupplied);
                     done();
@@ -238,7 +239,7 @@ describe('LedgerSubprovider', () => {
                     params: [tx],
                     id: 1,
                 };
-                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
                     expect(err).to.not.be.a('null');
                     expect(err.message).to.be.equal(LedgerSubproviderErrors.SenderInvalidOrNotSupplied);
                     done();
diff --git a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
index c3170745c..a347ab765 100644
--- a/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
+++ b/packages/subproviders/test/unit/redundant_rpc_subprovider_test.ts
@@ -1,3 +1,4 @@
+import { JSONRPCResponsePayload } from '@0xproject/types';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 import Web3 = require('web3');
@@ -26,7 +27,7 @@ describe('RedundantRpcSubprovider', () => {
             params: [],
             id: 1,
         };
-        const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+        const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
             expect(err).to.be.a('null');
             expect(response.result.length).to.be.equal(10);
             done();
@@ -46,7 +47,7 @@ describe('RedundantRpcSubprovider', () => {
             params: [],
             id: 1,
         };
-        const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+        const callback = reportCallbackErrors(done)((err: Error, response: JSONRPCResponsePayload) => {
             expect(err).to.be.a('null');
             expect(response.result.length).to.be.equal(10);
             done();
diff --git a/packages/tslint-config/tsconfig.json b/packages/tslint-config/tsconfig.json
index 85c88035a..fd9b23316 100644
--- a/packages/tslint-config/tsconfig.json
+++ b/packages/tslint-config/tsconfig.json
@@ -1,6 +1,7 @@
 {
     "extends": "../../tsconfig",
     "compilerOptions": {
+        "typeRoots": ["node_modules/@types"],
         "outDir": "lib"
     },
     "include": ["./rules/**/*", "./monorepo_scripts/**/*"]
diff --git a/packages/types/package.json b/packages/types/package.json
index 1142d252a..16737f5ea 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -22,15 +22,14 @@
     "devDependencies": {
         "@0xproject/monorepo-scripts": "^0.1.14",
         "@0xproject/tslint-config": "^0.4.12",
+        "@types/node": "^8.0.53",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
         "tslint": "5.8.0",
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/typescript-typings": "^0.0.1",
-        "bignumber.js": "~4.1.0",
-        "web3": "^0.20.0"
+        "bignumber.js": "~4.1.0"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 2147a3edb..57b14e230 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,14 +1,195 @@
 import { BigNumber } from 'bignumber.js';
-import * as Web3 from 'web3';
 
-export interface TxData {
+export type ContractAbi = AbiDefinition[];
+
+export type AbiDefinition = FunctionAbi | EventAbi;
+
+export type FunctionAbi = MethodAbi | ConstructorAbi | FallbackAbi;
+
+export type ConstructorStateMutability = 'nonpayable' | 'payable';
+export type StateMutability = 'pure' | 'view' | ConstructorStateMutability;
+
+export interface MethodAbi {
+    type: AbiType.Function;
+    name: string;
+    inputs: DataItem[];
+    outputs: DataItem[];
+    constant: boolean;
+    stateMutability: StateMutability;
+    payable: boolean;
+}
+
+export interface ConstructorAbi {
+    type: AbiType.Constructor;
+    inputs: DataItem[];
+    payable: boolean;
+    stateMutability: ConstructorStateMutability;
+}
+
+export interface FallbackAbi {
+    type: AbiType.Fallback;
+    payable: boolean;
+}
+
+export interface EventParameter extends DataItem {
+    indexed: boolean;
+}
+
+export interface EventAbi {
+    type: AbiType.Event;
+    name: string;
+    inputs: EventParameter[];
+    anonymous: boolean;
+}
+
+export interface DataItem {
+    name: string;
+    type: string;
+    components: DataItem[];
+}
+
+export type OpCode = string;
+
+export interface StructLog {
+    depth: number;
+    error: string;
+    gas: number;
+    gasCost: number;
+    memory: string[];
+    op: OpCode;
+    pc: number;
+    stack: string[];
+    storage: { [location: string]: string };
+}
+
+export interface TransactionTrace {
+    gas: number;
+    returnValue: any;
+    structLogs: StructLog[];
+}
+
+export type Unit =
+    | 'kwei'
+    | 'ada'
+    | 'mwei'
+    | 'babbage'
+    | 'gwei'
+    | 'shannon'
+    | 'szabo'
+    | 'finney'
+    | 'ether'
+    | 'kether'
+    | 'grand'
+    | 'einstein'
+    | 'mether'
+    | 'gether'
+    | 'tether';
+
+export interface JSONRPCRequestPayload {
+    params: any[];
+    method: string;
+    id: number;
+    jsonrpc: string;
+}
+
+export interface JSONRPCResponsePayload {
+    result: any;
+    id: number;
+    jsonrpc: string;
+}
+
+export interface AbstractBlock {
+    number: number | null;
+    hash: string | null;
+    parentHash: string;
+    nonce: string | null;
+    sha3Uncles: string;
+    logsBloom: string | null;
+    transactionsRoot: string;
+    stateRoot: string;
+    miner: string;
+    difficulty: BigNumber;
+    totalDifficulty: BigNumber;
+    extraData: string;
+    size: number;
+    gasLimit: number;
+    gasUsed: number;
+    timestamp: number;
+    uncles: string[];
+}
+
+export interface BlockWithoutTransactionData extends AbstractBlock {
+    transactions: string[];
+}
+
+export interface BlockWithTransactionData extends AbstractBlock {
+    transactions: Transaction[];
+}
+
+export interface Transaction {
+    hash: string;
+    nonce: number;
+    blockHash: string | null;
+    blockNumber: number | null;
+    transactionIndex: number | null;
+    from: string;
+    to: string | null;
+    value: BigNumber;
+    gasPrice: BigNumber;
+    gas: number;
+    input: string;
+}
+
+export interface CallTxDataBase {
+    to?: string;
+    value?: number | string | BigNumber;
+    gas?: number | string | BigNumber;
+    gasPrice?: number | string | BigNumber;
     data?: string;
-    from?: string;
-    gas?: number;
-    gasPrice?: BigNumber;
     nonce?: number;
 }
 
+export interface TxData extends CallTxDataBase {
+    from: string;
+}
+
+export interface CallData extends CallTxDataBase {
+    from?: string;
+}
+
+export interface FilterObject {
+    fromBlock?: number | string;
+    toBlock?: number | string;
+    address?: string;
+    topics?: LogTopic[];
+}
+
+export type LogTopic = null | string | string[];
+
+export interface DecodedLogEntry<A> extends LogEntry {
+    event: string;
+    args: A;
+}
+
+export interface DecodedLogEntryEvent<A> extends DecodedLogEntry<A> {
+    removed: boolean;
+}
+
+export interface LogEntryEvent extends LogEntry {
+    removed: boolean;
+}
+
+export interface LogEntry {
+    logIndex: number | null;
+    transactionIndex: number | null;
+    transactionHash: string;
+    blockHash: string | null;
+    blockNumber: number | null;
+    address: string;
+    data: string;
+    topics: string[];
+}
+
 export interface TxDataPayable extends TxData {
     value?: BigNumber;
 }
@@ -20,11 +201,11 @@ export interface TransactionReceipt {
     transactionIndex: number;
     from: string;
     to: string;
-    status: null | 0 | 1;
+    status: null | string | 0 | 1;
     cumulativeGasUsed: number;
     gasUsed: number;
     contractAddress: string | null;
-    logs: Web3.LogEntry[];
+    logs: LogEntry[];
 }
 
 export enum AbiType {
@@ -40,8 +221,8 @@ export interface DecodedLogArgs {
     [argName: string]: ContractEventArg;
 }
 
-export interface LogWithDecodedArgs<ArgsType> extends Web3.DecodedLogEntry<ArgsType> {}
-export type RawLog = Web3.LogEntry;
+export interface LogWithDecodedArgs<ArgsType> extends DecodedLogEntry<ArgsType> {}
+export type RawLog = LogEntry;
 export enum SolidityTypes {
     Address = 'address',
     Uint256 = 'uint256',
@@ -50,7 +231,7 @@ export enum SolidityTypes {
 }
 
 export interface TransactionReceiptWithDecodedLogs extends TransactionReceipt {
-    logs: Array<LogWithDecodedArgs<DecodedLogArgs> | Web3.LogEntry>;
+    logs: Array<LogWithDecodedArgs<DecodedLogArgs> | LogEntry>;
 }
 
 // Earliest is omitted by design. It is simply an alias for the `0` constant and
diff --git a/packages/types/tsconfig.json b/packages/types/tsconfig.json
index c56d255d5..5ec2db5e0 100644
--- a/packages/types/tsconfig.json
+++ b/packages/types/tsconfig.json
@@ -1,6 +1,7 @@
 {
     "extends": "../../tsconfig",
     "compilerOptions": {
+        "typeRoots": ["node_modules/@types"],
         "outDir": "lib"
     },
     "include": ["./src/**/*"]
diff --git a/packages/typescript-typings/package.json b/packages/typescript-typings/package.json
index 8fce84272..c38ebf1f7 100644
--- a/packages/typescript-typings/package.json
+++ b/packages/typescript-typings/package.json
@@ -20,6 +20,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/typescript-typings#readme",
     "dependencies": {
+        "@0xproject/types": "^0.4.1",
         "bignumber.js": "~4.1.0"
     },
     "devDependencies": {
diff --git a/packages/typescript-typings/types/web3/index.d.ts b/packages/typescript-typings/types/web3/index.d.ts
index cbe067b37..f4ebd41b9 100644
--- a/packages/typescript-typings/types/web3/index.d.ts
+++ b/packages/typescript-typings/types/web3/index.d.ts
@@ -1,5 +1,21 @@
 declare module 'web3' {
     import * as BigNumber from 'bignumber.js';
+    import {
+        AbiDefinition,
+        BlockWithTransactionData,
+        BlockWithoutTransactionData,
+        BlockParam,
+        CallData,
+        Unit,
+        TxData,
+        Transaction,
+        ContractAbi,
+        TransactionReceipt,
+        FilterObject,
+        LogEntryEvent,
+        JSONRPCRequestPayload,
+        JSONRPCResponsePayload,
+    } from '@0xproject/types';
 
     type MixedData = string | number | object | any[] | BigNumber.BigNumber;
 
@@ -22,10 +38,10 @@ declare module 'web3' {
         public fromAscii(ascii: string, padding?: number): string;
         public toDecimal(hex: string): number;
         public fromDecimal(value: number | string): string;
-        public fromWei(value: number | string, unit: Web3.Unit): string;
-        public fromWei(value: BigNumber.BigNumber, unit: Web3.Unit): BigNumber.BigNumber;
-        public toWei(amount: number | string, unit: Web3.Unit): string;
-        public toWei(amount: BigNumber.BigNumber, unit: Web3.Unit): BigNumber.BigNumber;
+        public fromWei(value: number | string, unit: Unit): string;
+        public fromWei(value: BigNumber.BigNumber, unit: Unit): BigNumber.BigNumber;
+        public toWei(amount: number | string, unit: Unit): string;
+        public toWei(amount: BigNumber.BigNumber, unit: Unit): BigNumber.BigNumber;
         public toBigNumber(value: number | string): BigNumber.BigNumber;
         public isAddress(address: string): boolean;
         public isChecksumAddress(address: string): boolean;
@@ -36,71 +52,16 @@ declare module 'web3' {
         class HttpProvider implements Web3.Provider {
             constructor(url?: string, timeout?: number, username?: string, password?: string);
             public sendAsync(
-                payload: Web3.JSONRPCRequestPayload,
-                callback: (err: Error, result: Web3.JSONRPCResponsePayload) => void,
+                payload: JSONRPCRequestPayload,
+                callback: (err: Error, result: JSONRPCResponsePayload) => void,
             ): void;
         }
     }
 
     namespace Web3 {
-        type ContractAbi = AbiDefinition[];
-
-        type AbiDefinition = FunctionAbi | EventAbi;
-
-        type FunctionAbi = MethodAbi | ConstructorAbi | FallbackAbi;
-
-        enum AbiType {
-            Function = 'function',
-            Constructor = 'constructor',
-            Event = 'event',
-            Fallback = 'fallback',
-        }
-
-        type ConstructorStateMutability = 'nonpayable' | 'payable';
-        type StateMutability = 'pure' | 'view' | ConstructorStateMutability;
-
-        interface MethodAbi {
-            type: AbiType.Function;
-            name: string;
-            inputs: DataItem[];
-            outputs: DataItem[];
-            constant: boolean;
-            stateMutability: StateMutability;
-            payable: boolean;
-        }
-
-        interface ConstructorAbi {
-            type: AbiType.Constructor;
-            inputs: DataItem[];
-            payable: boolean;
-            stateMutability: ConstructorStateMutability;
-        }
-
-        interface FallbackAbi {
-            type: AbiType.Fallback;
-            payable: boolean;
-        }
-
-        interface EventParameter extends DataItem {
-            indexed: boolean;
-        }
-
-        interface EventAbi {
-            type: AbiType.Event;
-            name: string;
-            inputs: EventParameter[];
-            anonymous: boolean;
-        }
-
-        interface DataItem {
-            name: string;
-            type: string;
-            components: DataItem[];
-        }
-
         interface ContractInstance {
             address: string;
-            abi: Web3.ContractAbi;
+            abi: ContractAbi;
             [name: string]: any;
         }
 
@@ -110,66 +71,12 @@ declare module 'web3' {
             'new'(...args: any[]): A;
         }
 
-        interface FilterObject {
-            fromBlock?: number | string;
-            toBlock?: number | string;
-            address?: string;
-            topics?: LogTopic[];
-        }
-
-        type LogTopic = null | string | string[];
-
-        interface DecodedLogEntry<A> extends LogEntry {
-            event: string;
-            args: A;
-        }
-
-        interface DecodedLogEntryEvent<A> extends DecodedLogEntry<A> {
-            removed: boolean;
-        }
-
-        interface LogEntryEvent extends LogEntry {
-            removed: boolean;
-        }
-
         interface FilterResult {
             get(callback: () => void): void;
             watch(callback: (err: Error, result: LogEntryEvent) => void): void;
             stopWatching(callback?: () => void): void;
         }
 
-        export interface JSONRPCRequestPayload {
-            params: any[];
-            method: string;
-            id: number;
-            jsonrpc: string;
-        }
-
-        export interface JSONRPCResponsePayload {
-            result: any;
-            id: number;
-            jsonrpc: string;
-        }
-
-        export type OpCode = string;
-
-        export interface StructLog {
-            depth: number;
-            error: string;
-            gas: number;
-            gasCost: number;
-            memory: string[];
-            op: OpCode;
-            pc: number;
-            stack: string[];
-            storage: { [location: string]: string };
-        }
-        export interface TransactionTrace {
-            gas: number;
-            returnValue: any;
-            structLogs: StructLog[];
-        }
-
         interface Provider {
             sendAsync(
                 payload: JSONRPCRequestPayload,
@@ -189,7 +96,7 @@ declare module 'web3' {
             accounts: string[];
             blockNumber: number;
             defaultAccount?: string;
-            defaultBlock: Web3.BlockParam;
+            defaultBlock: BlockParam;
             syncing: Web3.SyncingResult;
             compile: {
                 solidity(sourceString: string, cb?: (err: Error, result: any) => void): object;
@@ -202,55 +109,46 @@ declare module 'web3' {
             getSyncing(cd: (err: Error, syncing: Web3.SyncingResult) => void): void;
             isSyncing(cb: (err: Error, isSyncing: boolean, syncingState: Web3.SyncingState) => void): Web3.IsSyncing;
 
-            getBlock(hashStringOrBlockNumber: string | Web3.BlockParam): Web3.BlockWithoutTransactionData;
+            getBlock(hashStringOrBlockNumber: string | BlockParam): BlockWithoutTransactionData;
             getBlock(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
-                callback: (err: Error, blockObj: Web3.BlockWithoutTransactionData) => void,
+                hashStringOrBlockNumber: string | BlockParam,
+                callback: (err: Error, blockObj: BlockWithoutTransactionData) => void,
             ): void;
             getBlock(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
+                hashStringOrBlockNumber: string | BlockParam,
                 returnTransactionObjects: true,
-            ): Web3.BlockWithTransactionData;
+            ): BlockWithTransactionData;
             getBlock(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
+                hashStringOrBlockNumber: string | BlockParam,
                 returnTransactionObjects: true,
-                callback: (err: Error, blockObj: Web3.BlockWithTransactionData) => void,
+                callback: (err: Error, blockObj: BlockWithTransactionData) => void,
             ): void;
 
-            getBlockTransactionCount(hashStringOrBlockNumber: string | Web3.BlockParam): number;
+            getBlockTransactionCount(hashStringOrBlockNumber: string | BlockParam): number;
             getBlockTransactionCount(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
+                hashStringOrBlockNumber: string | BlockParam,
                 callback: (err: Error, blockTransactionCount: number) => void,
             ): void;
 
             // TODO returnTransactionObjects
+            getUncle(hashStringOrBlockNumber: string | BlockParam, uncleNumber: number): BlockWithoutTransactionData;
             getUncle(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
-                uncleNumber: number,
-            ): Web3.BlockWithoutTransactionData;
-            getUncle(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
+                hashStringOrBlockNumber: string | BlockParam,
                 uncleNumber: number,
-                callback: (err: Error, uncle: Web3.BlockWithoutTransactionData) => void,
+                callback: (err: Error, uncle: BlockWithoutTransactionData) => void,
             ): void;
 
-            getTransaction(transactionHash: string): Web3.Transaction;
-            getTransaction(
-                transactionHash: string,
-                callback: (err: Error, transaction: Web3.Transaction) => void,
-            ): void;
+            getTransaction(transactionHash: string): Transaction;
+            getTransaction(transactionHash: string, callback: (err: Error, transaction: Transaction) => void): void;
 
+            getTransactionFromBlock(hashStringOrBlockNumber: string | BlockParam, indexNumber: number): Transaction;
             getTransactionFromBlock(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
+                hashStringOrBlockNumber: string | BlockParam,
                 indexNumber: number,
-            ): Web3.Transaction;
-            getTransactionFromBlock(
-                hashStringOrBlockNumber: string | Web3.BlockParam,
-                indexNumber: number,
-                callback: (err: Error, transaction: Web3.Transaction) => void,
+                callback: (err: Error, transaction: Transaction) => void,
             ): void;
 
-            contract(abi: Web3.AbiDefinition[]): Web3.Contract<any>;
+            contract(abi: AbiDefinition[]): Web3.Contract<any>;
 
             // TODO block param
             getBalance(addressHexString: string): BigNumber.BigNumber;
@@ -264,10 +162,10 @@ declare module 'web3' {
             getCode(addressHexString: string): string;
             getCode(addressHexString: string, callback: (err: Error, code: string) => void): void;
 
-            filter(value: string | Web3.FilterObject): Web3.FilterResult;
+            filter(value: string | FilterObject): Web3.FilterResult;
 
-            sendTransaction(txData: Web3.TxData): string;
-            sendTransaction(txData: Web3.TxData, callback: (err: Error, value: string) => void): void;
+            sendTransaction(txData: TxData): string;
+            sendTransaction(txData: TxData, callback: (err: Error, value: string) => void): void;
 
             sendRawTransaction(rawTxData: string): string;
             sendRawTransaction(rawTxData: string, callback: (err: Error, value: string) => void): void;
@@ -275,18 +173,18 @@ declare module 'web3' {
             sign(address: string, data: string): string;
             sign(address: string, data: string, callback: (err: Error, signature: string) => void): void;
 
-            getTransactionReceipt(txHash: string): Web3.TransactionReceipt | null;
+            getTransactionReceipt(txHash: string): TransactionReceipt | null;
             getTransactionReceipt(
                 txHash: string,
-                callback: (err: Error, receipt: Web3.TransactionReceipt | null) => void,
+                callback: (err: Error, receipt: TransactionReceipt | null) => void,
             ): void;
 
             // TODO block param
-            call(callData: Web3.CallData): string;
-            call(callData: Web3.CallData, callback: (err: Error, result: string) => void): void;
+            call(callData: CallData): string;
+            call(callData: CallData, callback: (err: Error, result: string) => void): void;
 
-            estimateGas(callData: Web3.CallData): number;
-            estimateGas(callData: Web3.CallData, callback: (err: Error, gas: number) => void): void;
+            estimateGas(callData: CallData): number;
+            estimateGas(callData: CallData, callback: (err: Error, gas: number) => void): void;
 
             // TODO defaultBlock
             getTransactionCount(address: string): number;
@@ -321,25 +219,6 @@ declare module 'web3' {
             getPeerCount(cd: (err: Error, peerCount: number) => void): void;
         }
 
-        type BlockParam = number | 'earliest' | 'latest' | 'pending';
-
-        type Unit =
-            | 'kwei'
-            | 'ada'
-            | 'mwei'
-            | 'babbage'
-            | 'gwei'
-            | 'shannon'
-            | 'szabo'
-            | 'finney'
-            | 'ether'
-            | 'kether'
-            | 'grand'
-            | 'einstein'
-            | 'mether'
-            | 'gether'
-            | 'tether';
-
         interface SyncingState {
             startingBlock: number;
             currentBlock: number;
@@ -351,88 +230,6 @@ declare module 'web3' {
             addCallback(cb: (err: Error, isSyncing: boolean, syncingState: SyncingState) => void): void;
             stopWatching(): void;
         }
-
-        interface AbstractBlock {
-            number: number | null;
-            hash: string | null;
-            parentHash: string;
-            nonce: string | null;
-            sha3Uncles: string;
-            logsBloom: string | null;
-            transactionsRoot: string;
-            stateRoot: string;
-            miner: string;
-            difficulty: BigNumber.BigNumber;
-            totalDifficulty: BigNumber.BigNumber;
-            extraData: string;
-            size: number;
-            gasLimit: number;
-            gasUsed: number;
-            timestamp: number;
-            uncles: string[];
-        }
-        interface BlockWithoutTransactionData extends AbstractBlock {
-            transactions: string[];
-        }
-        interface BlockWithTransactionData extends AbstractBlock {
-            transactions: Transaction[];
-        }
-
-        interface Transaction {
-            hash: string;
-            nonce: number;
-            blockHash: string | null;
-            blockNumber: number | null;
-            transactionIndex: number | null;
-            from: string;
-            to: string | null;
-            value: BigNumber.BigNumber;
-            gasPrice: BigNumber.BigNumber;
-            gas: number;
-            input: string;
-        }
-
-        interface CallTxDataBase {
-            to?: string;
-            value?: number | string | BigNumber.BigNumber;
-            gas?: number | string | BigNumber.BigNumber;
-            gasPrice?: number | string | BigNumber.BigNumber;
-            data?: string;
-            nonce?: number;
-        }
-
-        interface TxData extends CallTxDataBase {
-            from: string;
-        }
-
-        interface CallData extends CallTxDataBase {
-            from?: string;
-        }
-
-        interface TransactionReceipt {
-            blockHash: string;
-            blockNumber: number;
-            transactionHash: string;
-            transactionIndex: number;
-            from: string;
-            to: string;
-            status: null | string | 0 | 1;
-            cumulativeGasUsed: number;
-            gasUsed: number;
-            contractAddress: string | null;
-            logs: LogEntry[];
-        }
-
-        interface LogEntry {
-            logIndex: number | null;
-            transactionIndex: number | null;
-            transactionHash: string;
-            blockHash: string | null;
-            blockNumber: number | null;
-            address: string;
-            data: string;
-            topics: string[];
-        }
     }
     /* tslint:disable */
     export = Web3;
diff --git a/packages/utils/src/abi_decoder.ts b/packages/utils/src/abi_decoder.ts
index 2b496eb17..d49906cfb 100644
--- a/packages/utils/src/abi_decoder.ts
+++ b/packages/utils/src/abi_decoder.ts
@@ -1,13 +1,22 @@
-import { AbiType, DecodedLogArgs, LogWithDecodedArgs, RawLog, SolidityTypes } from '@0xproject/types';
+import {
+    AbiDefinition,
+    AbiType,
+    DecodedLogArgs,
+    EventAbi,
+    EventParameter,
+    LogEntry,
+    LogWithDecodedArgs,
+    RawLog,
+    SolidityTypes,
+} from '@0xproject/types';
 import * as ethersContracts from 'ethers-contracts';
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 
 import { BigNumber } from './configured_bignumber';
 
 export class AbiDecoder {
-    private _savedABIs: Web3.AbiDefinition[] = [];
-    private _methodIds: { [signatureHash: string]: Web3.EventAbi } = {};
+    private _savedABIs: AbiDefinition[] = [];
+    private _methodIds: { [signatureHash: string]: EventAbi } = {};
     private static _padZeros(address: string) {
         let formatted = address;
         if (_.startsWith(formatted, '0x')) {
@@ -17,11 +26,11 @@ export class AbiDecoder {
         formatted = _.padStart(formatted, 40, '0');
         return `0x${formatted}`;
     }
-    constructor(abiArrays: Web3.AbiDefinition[][]) {
+    constructor(abiArrays: AbiDefinition[][]) {
         _.forEach(abiArrays, this._addABI.bind(this));
     }
     // This method can only decode logs from the 0x & ERC20 smart contracts
-    public tryToDecodeLogOrNoop<ArgsType>(log: Web3.LogEntry): LogWithDecodedArgs<ArgsType> | RawLog {
+    public tryToDecodeLogOrNoop<ArgsType>(log: LogEntry): LogWithDecodedArgs<ArgsType> | RawLog {
         const methodId = log.topics[0];
         const event = this._methodIds[methodId];
         if (_.isUndefined(event)) {
@@ -37,7 +46,7 @@ export class AbiDecoder {
         const decodedData = ethersInterface.events[event.name].parse(log.data);
 
         let failedToDecode = false;
-        _.forEach(event.inputs, (param: Web3.EventParameter, i: number) => {
+        _.forEach(event.inputs, (param: EventParameter, i: number) => {
             // Indexed parameters are stored in topics. Non-indexed ones in decodedData
             let value: BigNumber | string | number = param.indexed ? log.topics[topicsIndex++] : decodedData[i];
             if (_.isUndefined(value)) {
@@ -64,12 +73,12 @@ export class AbiDecoder {
             };
         }
     }
-    private _addABI(abiArray: Web3.AbiDefinition[]): void {
+    private _addABI(abiArray: AbiDefinition[]): void {
         if (_.isUndefined(abiArray)) {
             return;
         }
         const ethersInterface = new ethersContracts.Interface(abiArray);
-        _.map(abiArray, (abi: Web3.AbiDefinition) => {
+        _.map(abiArray, (abi: AbiDefinition) => {
             if (abi.type === AbiType.Event) {
                 const topic = ethersInterface.events[abi.name].topic;
                 this._methodIds[topic] = abi;
diff --git a/packages/web3-wrapper/src/index.ts b/packages/web3-wrapper/src/index.ts
index 2ce2580ee..87c69b269 100644
--- a/packages/web3-wrapper/src/index.ts
+++ b/packages/web3-wrapper/src/index.ts
@@ -1,4 +1,16 @@
-import { RawLogEntry, TransactionReceipt, TxData } from '@0xproject/types';
+import {
+    BlockParam,
+    BlockWithoutTransactionData,
+    CallData,
+    ContractAbi,
+    FilterObject,
+    JSONRPCRequestPayload,
+    JSONRPCResponsePayload,
+    LogEntry,
+    RawLogEntry,
+    TransactionReceipt,
+    TxData,
+} from '@0xproject/types';
 import { BigNumber, promisify } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
@@ -157,8 +169,8 @@ export class Web3Wrapper {
      * @param blockParam The block you wish to fetch (blockHash, blockNumber or blockLiteral)
      * @returns The requested block without transaction data
      */
-    public async getBlockAsync(blockParam: string | Web3.BlockParam): Promise<Web3.BlockWithoutTransactionData> {
-        const block = await promisify<Web3.BlockWithoutTransactionData>(this._web3.eth.getBlock)(blockParam);
+    public async getBlockAsync(blockParam: string | BlockParam): Promise<BlockWithoutTransactionData> {
+        const block = await promisify<BlockWithoutTransactionData>(this._web3.eth.getBlock)(blockParam);
         return block;
     }
     /**
@@ -166,7 +178,7 @@ export class Web3Wrapper {
      * @param blockParam The block you wish to fetch (blockHash, blockNumber or blockLiteral)
      * @returns The block's timestamp
      */
-    public async getBlockTimestampAsync(blockParam: string | Web3.BlockParam): Promise<number> {
+    public async getBlockTimestampAsync(blockParam: string | BlockParam): Promise<number> {
         const { timestamp } = await this.getBlockAsync(blockParam);
         return timestamp;
     }
@@ -214,7 +226,7 @@ export class Web3Wrapper {
      * @param filter Parameters by which to filter which logs to retrieve
      * @returns The corresponding log entries
      */
-    public async getLogsAsync(filter: Web3.FilterObject): Promise<Web3.LogEntry[]> {
+    public async getLogsAsync(filter: FilterObject): Promise<LogEntry[]> {
         let fromBlock = filter.fromBlock;
         if (_.isNumber(fromBlock)) {
             fromBlock = this._web3.toHex(fromBlock);
@@ -243,7 +255,7 @@ export class Web3Wrapper {
      * @param abi Smart contract ABI
      * @returns Web3 contract factory which can create Web3 Contract instances from the supplied ABI
      */
-    public getContractFromAbi(abi: Web3.ContractAbi): Web3.Contract<any> {
+    public getContractFromAbi(abi: ContractAbi): Web3.Contract<any> {
         const web3Contract = this._web3.eth.contract(abi);
         return web3Contract;
     }
@@ -252,7 +264,7 @@ export class Web3Wrapper {
      * @param txData Transaction data
      * @returns Estimated gas cost
      */
-    public async estimateGasAsync(txData: Partial<Web3.TxData>): Promise<number> {
+    public async estimateGasAsync(txData: Partial<TxData>): Promise<number> {
         const gas = await promisify<number>(this._web3.eth.estimateGas)(txData);
         return gas;
     }
@@ -262,7 +274,7 @@ export class Web3Wrapper {
      * @param defaultBlock Block height at which to make the call. Defaults to `latest`
      * @returns The raw call result
      */
-    public async callAsync(callData: Web3.CallData, defaultBlock?: Web3.BlockParam): Promise<string> {
+    public async callAsync(callData: CallData, defaultBlock?: BlockParam): Promise<string> {
         const rawCallResult = await promisify<string>(this._web3.eth.call)(callData, defaultBlock);
         return rawCallResult;
     }
@@ -271,13 +283,13 @@ export class Web3Wrapper {
      * @param txData Transaction data
      * @returns Transaction hash
      */
-    public async sendTransactionAsync(txData: Web3.TxData): Promise<string> {
+    public async sendTransactionAsync(txData: TxData): Promise<string> {
         const txHash = await promisify<string>(this._web3.eth.sendTransaction)(txData);
         return txHash;
     }
-    private async _sendRawPayloadAsync<A>(payload: Partial<Web3.JSONRPCRequestPayload>): Promise<A> {
+    private async _sendRawPayloadAsync<A>(payload: Partial<JSONRPCRequestPayload>): Promise<A> {
         const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider);
-        const response = await promisify<Web3.JSONRPCResponsePayload>(sendAsync)(payload);
+        const response = await promisify<JSONRPCResponsePayload>(sendAsync)(payload);
         const result = response.result;
         return result;
     }
@@ -295,7 +307,7 @@ export class Web3Wrapper {
             return status;
         }
     }
-    private _formatLog(rawLog: RawLogEntry): Web3.LogEntry {
+    private _formatLog(rawLog: RawLogEntry): LogEntry {
         const formattedLog = {
             ...rawLog,
             logIndex: this._hexToDecimal(rawLog.logIndex),
diff --git a/packages/website/ts/containers/web3_wrapper_documentation.ts b/packages/website/ts/containers/web3_wrapper_documentation.ts
index 0a0911b80..289006f10 100644
--- a/packages/website/ts/containers/web3_wrapper_documentation.ts
+++ b/packages/website/ts/containers/web3_wrapper_documentation.ts
@@ -48,26 +48,25 @@ const docsInfoConfig: DocsInfoConfig = {
     typeConfigs: {
         // Note: This needs to be kept in sync with the types exported in index.ts. Unfortunately there is
         // currently no way to extract the re-exported types from index.ts via TypeDoc :(
-        publicTypes: ['TxData', 'TransactionReceipt', 'RawLogEntry'],
+        publicTypes: [
+            'TxData',
+            'TransactionReceipt',
+            'RawLogEntry',
+            'ContractAbi',
+            'BlockParam',
+            'FilterObject',
+            'LogEntry',
+            'BlockWithoutTransactionData',
+            'CallData',
+            'LogEntryEvent',
+        ],
         typeNameToExternalLink: {
             Web3: 'https://github.com/ethereum/wiki/wiki/JavaScript-API',
             Provider: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L150',
-            BigNumber: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L127',
-            LogEntryEvent: 'http://mikemcl.github.io/bignumber.js',
-            CallData: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L348',
-            BlockWithoutTransactionData:
-                'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L314',
-            LogEntry: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L366',
-            FilterObject: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L109',
-            ['Web3.BlockParam']: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L278',
-            ['Web3.ContractAbi']: 'https://github.com/0xProject/web3-typescript-typings/blob/f5bcb96/index.d.ts#L47',
+            BigNumber: 'http://mikemcl.github.io/bignumber.js',
         },
         typeNameToPrefix: {
             Provider: 'Web3',
-            CallData: 'Web3',
-            BlockWithoutTransactionData: 'Web3',
-            LogEntry: 'Web3',
-            FilterObject: 'Web3',
         },
         typeNameToDocSection: {
             Web3Wrapper: docSections.web3Wrapper,
diff --git a/packages/website/ts/globals.d.ts b/packages/website/ts/globals.d.ts
index ef276519c..3791b3269 100644
--- a/packages/website/ts/globals.d.ts
+++ b/packages/website/ts/globals.d.ts
@@ -115,11 +115,11 @@ declare module 'web3-provider-engine/subproviders/subprovider' {
     export = Subprovider;
 }
 declare module 'web3-provider-engine/subproviders/rpc' {
-    import * as Web3 from 'web3';
+    import { JSONRPCRequestPayload } from '@0xproject/types';
     class RpcSubprovider {
         constructor(options: { rpcUrl: string });
         public handleRequest(
-            payload: Web3.JSONRPCRequestPayload,
+            payload: JSONRPCRequestPayload,
             next: () => void,
             end: (err: Error | null, data?: any) => void,
         ): void;
diff --git a/yarn.lock b/yarn.lock
index abc80e324..106548195 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13,15 +13,6 @@
     lodash "^4.17.4"
     tslint-react "^3.2.0"
 
-"@0xproject/utils@^0.3.4":
-  version "0.3.4"
-  resolved "https://registry.yarnpkg.com/@0xproject/utils/-/utils-0.3.4.tgz#263ac7a5ef0b4c65ce893d3e6d1e9b1c2cf75b0b"
-  dependencies:
-    bignumber.js "~4.1.0"
-    js-sha3 "^0.7.0"
-    lodash "^4.17.4"
-    web3 "^0.20.0"
-
 "@ledgerhq/hw-app-eth@^4.3.0":
   version "4.7.3"
   resolved "https://registry.yarnpkg.com/@ledgerhq/hw-app-eth/-/hw-app-eth-4.7.3.tgz#d352e19658ae296532e522c53c8ec2a1a77b64e5"
@@ -12465,12 +12456,6 @@ web3-typescript-typings@^0.10.2:
   dependencies:
     bignumber.js "~4.1.0"
 
-web3-typescript-typings@^0.9.11:
-  version "0.9.11"
-  resolved "https://registry.yarnpkg.com/web3-typescript-typings/-/web3-typescript-typings-0.9.11.tgz#2f5464e572843b0853f47a1a0801029d6dfb5793"
-  dependencies:
-    bignumber.js "~4.1.0"
-
 web3-utils@1.0.0-beta.33:
   version "1.0.0-beta.33"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.33.tgz#e091b7994f09b714b0198a4057d3ad2eb8cbe238"