diff --git a/packages/abi-gen-wrappers/CHANGELOG.json b/packages/abi-gen-wrappers/CHANGELOG.json
index f14c7f4c4f..6f3cab6f7b 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -276,4 +276,4 @@
             }
         ]
     }
-]
\ No newline at end of file
+]
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index 65f512fef2..82301ee3d6 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -44,11 +44,6 @@ export class PromiseWithTransactionHash<T> implements PromiseLike<T> {
     }
 }
 
-const REVERT_ERROR_SELECTOR = '08c379a0';
-const REVERT_ERROR_SELECTOR_OFFSET = 2;
-const REVERT_ERROR_SELECTOR_BYTES_LENGTH = 4;
-const REVERT_ERROR_SELECTOR_END = REVERT_ERROR_SELECTOR_OFFSET + REVERT_ERROR_SELECTOR_BYTES_LENGTH * 2;
-
 export class BaseContract {
     protected _abiEncoderByFunctionSignature: AbiEncoderByFunctionSignature;
     protected _web3Wrapper: Web3Wrapper;