diff --git a/packages/asset-swapper/src/constants.ts b/packages/asset-swapper/src/constants.ts
index 463e49666e..f7654046d4 100644
--- a/packages/asset-swapper/src/constants.ts
+++ b/packages/asset-swapper/src/constants.ts
@@ -8,7 +8,6 @@ import {
     OrdersAndFillableAmounts,
     SwapQuoteRequestOpts,
     SwapQuoterOpts,
-    SwapQuoteUtilsOpts,
 } from './types';
 
 const NULL_ADDRESS = '0x0000000000000000000000000000000000000000';
@@ -22,10 +21,6 @@ const DEFAULT_SWAP_QUOTER_OPTS: SwapQuoterOpts = {
     expiryBufferMs: 120000, // 2 minutes
 };
 
-const DEFAULT_SWAP_QUOTE_UTILS_OPTS: SwapQuoteUtilsOpts = {
-    networkId: MAINNET_NETWORK_ID,
-};
-
 const DEFAULT_FORWARDER_SWAP_QUOTE_GET_OPTS: ForwarderSwapQuoteGetOutputOpts = {
     feePercentage: 0,
     feeRecipient: NULL_ADDRESS,
@@ -62,5 +57,4 @@ export const constants = {
     EMPTY_ORDERS_AND_FILLABLE_AMOUNTS,
     DEFAULT_PER_PAGE,
     DEFAULT_LIQUIDITY_REQUEST_OPTS,
-    DEFAULT_SWAP_QUOTE_UTILS_OPTS,
 };
diff --git a/packages/asset-swapper/src/index.ts b/packages/asset-swapper/src/index.ts
index af5ab2c12a..3321fff960 100644
--- a/packages/asset-swapper/src/index.ts
+++ b/packages/asset-swapper/src/index.ts
@@ -33,7 +33,6 @@ export { StandardRelayerAPIOrderProvider } from './order_providers/standard_rela
 export {
     SwapQuoterError,
     SwapQuoterOpts,
-    SwapQuoteUtilsOpts,
     SwapQuote,
     SwapQuoteConsumerOpts,
     CalldataInfo,
diff --git a/packages/asset-swapper/src/quote_consumers/exchange_swap_quote_consumer.ts b/packages/asset-swapper/src/quote_consumers/exchange_swap_quote_consumer.ts
index a88b383310..140d6ee856 100644
--- a/packages/asset-swapper/src/quote_consumers/exchange_swap_quote_consumer.ts
+++ b/packages/asset-swapper/src/quote_consumers/exchange_swap_quote_consumer.ts
@@ -1,5 +1,4 @@
 import { ContractWrappers, ContractWrappersError, ForwarderWrapperError } from '@0x/contract-wrappers';
-import { calldataOptimizationUtils } from '@0x/contract-wrappers/lib/src/utils/calldata_optimization_utils';
 import { MarketOperation } from '@0x/types';
 import { AbiEncoder, providerUtils } from '@0x/utils';
 import { SupportedProvider, ZeroExProvider } from '@0x/web3-wrapper';
diff --git a/packages/asset-swapper/src/types.ts b/packages/asset-swapper/src/types.ts
index 0d76d285c9..cf7502746d 100644
--- a/packages/asset-swapper/src/types.ts
+++ b/packages/asset-swapper/src/types.ts
@@ -98,7 +98,8 @@ export interface ExchangeMarketSellSmartContractParams extends SmartContractPara
  * Represents the varying smart contracts that can consume a valid swap quote
  */
 export enum ConsumerType {
-    Forwarder, Exchange,
+    Forwarder,
+    Exchange,
 }
 
 /**