diff --git a/packages/asset-swapper/CHANGELOG.json b/packages/asset-swapper/CHANGELOG.json
index 9741ba85c4..4027eb5a8c 100644
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@@ -5,6 +5,10 @@
             {
                 "note": "Check MAX_IN_RATIO in sampleBuysFromBalancer",
                 "pr": 338
+            },
+            {
+                "note": "Go back to using transformERC20 (instead of transformERC20Staging)",
+                "pr": 343
             }
         ]
     },
diff --git a/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts b/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
index effe3951fc..04601caf96 100644
--- a/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
+++ b/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
@@ -1,6 +1,5 @@
 import { ChainId, ContractAddresses } from '@0x/contract-addresses';
 import { IZeroExContract } from '@0x/contract-wrappers';
-import { TransformERC20FeatureContract } from '@0x/contracts-zero-ex';
 import {
     encodeAffiliateFeeTransformerData,
     encodeCurveLiquidityProviderData,
@@ -95,7 +94,6 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
     };
 
     private readonly _exchangeProxy: IZeroExContract;
-    private readonly _transformERC20Feature: TransformERC20FeatureContract;
 
     constructor(public readonly contractAddresses: ContractAddresses, options: Partial<SwapQuoteConsumerOpts> = {}) {
         const { chainId } = _.merge({}, constants.DEFAULT_SWAP_QUOTER_OPTS, options);
@@ -103,7 +101,6 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
         this.chainId = chainId;
         this.contractAddresses = contractAddresses;
         this._exchangeProxy = new IZeroExContract(contractAddresses.exchangeProxy, FAKE_PROVIDER);
-        this._transformERC20Feature = new TransformERC20FeatureContract(contractAddresses.exchangeProxy, FAKE_PROVIDER);
         this.transformerNonces = {
             wethTransformer: findTransformerNonce(
                 contractAddresses.transformers.wethTransformer,
@@ -495,8 +492,8 @@ export class ExchangeProxySwapQuoteConsumer implements SwapQuoteConsumerBase {
                 amounts: [],
             }),
         });
-        const calldataHexString = this._transformERC20Feature
-            .transformERC20Staging(
+        const calldataHexString = this._exchangeProxy
+            .transformERC20(
                 isFromETH ? ETH_TOKEN_ADDRESS : sellToken,
                 isToETH ? ETH_TOKEN_ADDRESS : buyToken,
                 shouldSellEntireBalance ? MAX_UINT256 : sellAmount,
diff --git a/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts b/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts
index f3abe2389e..b381805401 100644
--- a/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts
+++ b/packages/asset-swapper/test/exchange_proxy_swap_quote_consumer_test.ts
@@ -186,7 +186,7 @@ describe('ExchangeProxySwapQuoteConsumer', () => {
         );
     }
 
-    const transformERC20Encoder = AbiEncoder.createMethod('transformERC20Staging', [
+    const transformERC20Encoder = AbiEncoder.createMethod('transformERC20', [
         { type: 'address', name: 'inputToken' },
         { type: 'address', name: 'outputToken' },
         { type: 'uint256', name: 'inputTokenAmount' },