Improve comments and remove unused imports

1 files changed, 1 insertions, 1 deletions

diff --git a/packages/contracts/test/exchange/transactions.ts b/packages/contracts/test/exchange/transactions.ts
index 2f3f6b43a..9af8b522b 100644
--- a/packages/contracts/test/exchange/transactions.ts
+++ b/packages/contracts/test/exchange/transactions.ts
@@ -1,6 +1,6 @@
 import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils';
-import { AssetProxyId, Order, OrderWithoutExchangeAddress, SignatureType, SignedOrder } from '@0xproject/types';
+import { AssetProxyId, Order, OrderWithoutExchangeAddress, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as ethUtil from 'ethereumjs-util';