diff --git a/contracts/exchange-libs/test/lib_eip712_exchange_domain.ts b/contracts/exchange-libs/test/lib_eip712_exchange_domain.ts
index 8006f4e569..e23d77cbb5 100644
--- a/contracts/exchange-libs/test/lib_eip712_exchange_domain.ts
+++ b/contracts/exchange-libs/test/lib_eip712_exchange_domain.ts
@@ -1,17 +1,13 @@
 import { addressUtils, blockchainTests, constants, expect } from '@0x/contracts-test-utils';
-import { BigNumber, providerUtils, signTypedDataUtils } from '@0x/utils';
+import { BigNumber, signTypedDataUtils } from '@0x/utils';
 import * as ethUtil from 'ethereumjs-util';
 
 import { artifacts, TestLibEIP712ExchangeDomainContract } from '../src';
 
 blockchainTests('LibEIP712ExchangeDomain', env => {
-    let chainId: number;
-    before(async () => {
-        chainId = await providerUtils.getChainIdAsync(env.provider);
-    });
-
     describe('constructor', () => {
         it('should calculate the correct domain hash when verifyingContractAddressIfExists is set to null', async () => {
+            const chainId = 1;
             const libEIP712ExchangeDomainContract = await TestLibEIP712ExchangeDomainContract.deployFrom0xArtifactAsync(
                 artifacts.TestLibEIP712ExchangeDomain,
                 env.provider,
@@ -30,6 +26,7 @@ blockchainTests('LibEIP712ExchangeDomain', env => {
             expect(actualDomainHash).to.be.equal(expectedDomainHash);
         });
         it('should calculate the correct domain hash when verifyingContractAddressIfExists is set to a non-null address', async () => {
+            const chainId = 1;
             const verifyingContractAddress = addressUtils.generatePseudoRandomAddress();
             const libEIP712ExchangeDomainContract = await TestLibEIP712ExchangeDomainContract.deployFrom0xArtifactAsync(
                 artifacts.TestLibEIP712ExchangeDomain,
diff --git a/contracts/exchange-libs/test/lib_order.ts b/contracts/exchange-libs/test/lib_order.ts
index b4062deb04..e1f56a897d 100644
--- a/contracts/exchange-libs/test/lib_order.ts
+++ b/contracts/exchange-libs/test/lib_order.ts
@@ -1,7 +1,7 @@
 import { addressUtils, blockchainTests, constants, describe, expect } from '@0x/contracts-test-utils';
 import { assetDataUtils, orderHashUtils } from '@0x/order-utils';
 import { Order } from '@0x/types';
-import { BigNumber, providerUtils, signTypedDataUtils } from '@0x/utils';
+import { BigNumber, signTypedDataUtils } from '@0x/utils';
 import * as ethUtil from 'ethereumjs-util';
 
 import { artifacts, TestLibOrderContract } from '../src';
@@ -9,17 +9,15 @@ import { artifacts, TestLibOrderContract } from '../src';
 blockchainTests('LibOrder', env => {
     let libOrderContract: TestLibOrderContract;
     let order: Order;
-    let chainId: number;
     before(async () => {
         libOrderContract = await TestLibOrderContract.deployFrom0xArtifactAsync(
             artifacts.TestLibOrder,
             env.provider,
             env.txDefaults,
         );
-        chainId = await providerUtils.getChainIdAsync(env.provider);
         const domain = {
             verifyingContractAddress: libOrderContract.address,
-            chainId,
+            chainId: 1,
         };
         order = {
             ...constants.STATIC_ORDER_PARAMS,
diff --git a/contracts/exchange-libs/test/lib_zero_ex_transaction.ts b/contracts/exchange-libs/test/lib_zero_ex_transaction.ts
index cbbcf59335..1012097ab7 100644
--- a/contracts/exchange-libs/test/lib_zero_ex_transaction.ts
+++ b/contracts/exchange-libs/test/lib_zero_ex_transaction.ts
@@ -1,7 +1,7 @@
 import { addressUtils, blockchainTests, constants, describe, expect } from '@0x/contracts-test-utils';
 import { transactionHashUtils } from '@0x/order-utils';
 import { ZeroExTransaction } from '@0x/types';
-import { BigNumber, providerUtils, signTypedDataUtils } from '@0x/utils';
+import { BigNumber, signTypedDataUtils } from '@0x/utils';
 import * as ethUtil from 'ethereumjs-util';
 
 import { artifacts, TestLibZeroExTransactionContract } from '../src';
@@ -9,17 +9,15 @@ import { artifacts, TestLibZeroExTransactionContract } from '../src';
 blockchainTests('LibZeroExTransaction', env => {
     let libZeroExTransactionContract: TestLibZeroExTransactionContract;
     let zeroExTransaction: ZeroExTransaction;
-    let chainId: number;
     before(async () => {
         libZeroExTransactionContract = await TestLibZeroExTransactionContract.deployFrom0xArtifactAsync(
             artifacts.TestLibZeroExTransaction,
             env.provider,
             env.txDefaults,
         );
-        chainId = await providerUtils.getChainIdAsync(env.provider);
         const domain = {
             verifyingContractAddress: libZeroExTransactionContract.address,
-            chainId,
+            chainId: 1,
         };
         zeroExTransaction = {
             signerAddress: addressUtils.generatePseudoRandomAddress(),