diff --git a/contracts/exchange/test/utils/fill_order_combinatorial_utils.ts b/contracts/exchange/test/utils/fill_order_combinatorial_utils.ts
index 9c356a1bac..f104b72134 100644
--- a/contracts/exchange/test/utils/fill_order_combinatorial_utils.ts
+++ b/contracts/exchange/test/utils/fill_order_combinatorial_utils.ts
@@ -26,7 +26,7 @@ import {
     OrderValidationUtils,
 } from '@0x/order-utils';
 import { AssetProxyId, RevertReason, SignatureType, SignedOrder } from '@0x/types';
-import { BigNumber, errorUtils, logUtils } from '@0x/utils';
+import { BigNumber, errorUtils, logUtils, providerUtils } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as chai from 'chai';
 import { LogWithDecodedArgs, TxData } from 'ethereum-types';
@@ -60,7 +60,8 @@ export async function fillOrderCombinatorialUtilsFactoryAsync(
     const [ownerAddress, makerAddress, takerAddress] = userAddresses;
     const makerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[userAddresses.indexOf(makerAddress)];
 
-    const provider = web3Wrapper.getZeroExProvider();
+    const supportedProvider = web3Wrapper.getProvider();
+    const provider = providerUtils.standardizeOrThrow(supportedProvider);
     const erc20Wrapper = new ERC20Wrapper(provider, userAddresses, ownerAddress);
     const erc721Wrapper = new ERC721Wrapper(provider, userAddresses, ownerAddress);
 
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index da6de7537c..8a8190ec93 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -171,13 +171,6 @@ export class Web3Wrapper {
     public getProvider(): SupportedProvider {
         return this._supportedProvider;
     }
-    /**
-     * Retrieve the Web3 provider
-     * @return  Web3 provider instance
-     */
-    public getZeroExProvider(): ZeroExProvider {
-        return this._provider;
-    }
     /**
      * Update the used Web3 provider
      * @param provider The new Web3 provider to be set