1 files changed, 1 insertions, 5 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index b32eba2fa..64783b469 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -20,8 +20,6 @@ export interface EthersInterfaceByFunctionSignature {
     [key: string]: ethers.Interface;
 }
 
-const GAS_BUFFER_AMOUNT = 1.1;
-
 export class BaseContract {
     protected _ethersInterfacesByFunctionSignature: EthersInterfaceByFunctionSignature;
     protected _web3Wrapper: Web3Wrapper;
@@ -81,9 +79,7 @@ export class BaseContract {
             // Awaiting https://github.com/Microsoft/TypeScript/pull/13288 to be merged
         } as any;
         if (_.isUndefined(txDataWithDefaults.gas) && !_.isUndefined(estimateGasAsync)) {
-            const estimatedGas = await estimateGasAsync(txData);
-            const buffered = Math.ceil(estimatedGas * GAS_BUFFER_AMOUNT);
-            txDataWithDefaults.gas = buffered;
+            txDataWithDefaults.gas = await estimateGasAsync(txData);
         }
         return txDataWithDefaults;
     }