diff --git a/packages/asset-buyer/src/quote_consumers/exchange_swap_quote_consumer.ts b/packages/asset-buyer/src/quote_consumers/exchange_swap_quote_consumer.ts
index 9902a53ad1..49c4831562 100644
--- a/packages/asset-buyer/src/quote_consumers/exchange_swap_quote_consumer.ts
+++ b/packages/asset-buyer/src/quote_consumers/exchange_swap_quote_consumer.ts
@@ -1,6 +1,6 @@
-import { ContractWrappers, ContractWrappersError, ForwarderWrapperError, SignedOrder } from '@0x/contract-wrappers';
-import { AbiEncoder, abiUtils, BigNumber, providerUtils } from '@0x/utils';
-import { SupportedProvider, Web3Wrapper, ZeroExProvider } from '@0x/web3-wrapper';
+import { ContractWrappers, ContractWrappersError, ForwarderWrapperError } from '@0x/contract-wrappers';
+import { AbiEncoder, providerUtils } from '@0x/utils';
+import { SupportedProvider, ZeroExProvider } from '@0x/web3-wrapper';
 import { MethodAbi } from 'ethereum-types';
 import * as _ from 'lodash';
 
diff --git a/packages/asset-buyer/src/quote_consumers/forwarder_swap_quote_consumer.ts b/packages/asset-buyer/src/quote_consumers/forwarder_swap_quote_consumer.ts
index dd07c35cc4..713c0d4b9a 100644
--- a/packages/asset-buyer/src/quote_consumers/forwarder_swap_quote_consumer.ts
+++ b/packages/asset-buyer/src/quote_consumers/forwarder_swap_quote_consumer.ts
@@ -1,6 +1,6 @@
 import { ContractWrappers, ContractWrappersError, ForwarderWrapperError } from '@0x/contract-wrappers';
 import { AbiEncoder, providerUtils } from '@0x/utils';
-import { SupportedProvider, Web3Wrapper, ZeroExProvider } from '@0x/web3-wrapper';
+import { SupportedProvider, ZeroExProvider } from '@0x/web3-wrapper';
 import { MethodAbi } from 'ethereum-types';
 import * as _ from 'lodash';
 
diff --git a/packages/asset-buyer/src/utils/swap_quote_consumer_utils.ts b/packages/asset-buyer/src/utils/swap_quote_consumer_utils.ts
index 26e8f43da0..90841a3299 100644
--- a/packages/asset-buyer/src/utils/swap_quote_consumer_utils.ts
+++ b/packages/asset-buyer/src/utils/swap_quote_consumer_utils.ts
@@ -1,4 +1,4 @@
-import { SupportedProvider, Web3Wrapper, ZeroExProvider } from '@0x/web3-wrapper';
+import { SupportedProvider, Web3Wrapper } from '@0x/web3-wrapper';
 import * as _ from 'lodash';
 
 import {