diff --git a/packages/asset-swapper/src/utils/market_operation_utils/orders.ts b/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
index e4d04a1606..955875a271 100644
--- a/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
@@ -1,7 +1,7 @@
 import { ContractAddresses } from '@0x/contract-addresses';
 import { assetDataUtils, ERC20AssetData, generatePseudoRandomSalt, orderCalculationUtils } from '@0x/order-utils';
 import { RFQTIndicativeQuote } from '@0x/quote-server';
-import { ERC20BridgeAssetData, SignedOrder } from '@0x/types';
+import { SignedOrder } from '@0x/types';
 import { AbiEncoder, BigNumber } from '@0x/utils';
 
 import { MarketOperation, SignedOrderWithFillableAmounts } from '../../types';
@@ -40,30 +40,6 @@ import {
 
 // tslint:disable completed-docs no-unnecessary-type-assertion
 
-interface DexForwaderBridgeData {
-    inputToken: string;
-    calls: Array<{
-        target: string;
-        inputTokenAmount: BigNumber;
-        outputTokenAmount: BigNumber;
-        bridgeData: string;
-    }>;
-}
-
-const dexForwarderBridgeDataEncoder = AbiEncoder.create([
-    { name: 'inputToken', type: 'address' },
-    {
-        name: 'calls',
-        type: 'tuple[]',
-        components: [
-            { name: 'target', type: 'address' },
-            { name: 'inputTokenAmount', type: 'uint256' },
-            { name: 'outputTokenAmount', type: 'uint256' },
-            { name: 'bridgeData', type: 'bytes' },
-        ],
-    },
-]);
-
 export function createDummyOrderForSampler(
     makerAssetData: string,
     takerAssetData: string,
diff --git a/packages/asset-swapper/test/market_operation_utils_test.ts b/packages/asset-swapper/test/market_operation_utils_test.ts
index 1b0b0c9377..facd6aebda 100644
--- a/packages/asset-swapper/test/market_operation_utils_test.ts
+++ b/packages/asset-swapper/test/market_operation_utils_test.ts
@@ -265,23 +265,6 @@ describe('MarketOperationUtils tests', () => {
         return rates;
     }
 
-    function getSortedOrderSources(side: MarketOperation, orders: OptimizedMarketOrder[]): ERC20BridgeSource[][] {
-        return (
-            orders
-                // Sort fills by descending rate.
-                .map(o => {
-                    return o.fills
-                        .slice()
-                        .sort((a, b) =>
-                            side === MarketOperation.Sell
-                                ? b.output.div(b.input).comparedTo(a.output.div(a.input))
-                                : b.input.div(b.output).comparedTo(a.input.div(a.output)),
-                        )
-                        .map(f => f.source);
-                })
-        );
-    }
-
     const NUM_SAMPLES = 3;
 
     interface RatesBySource {