1 files changed, 3 insertions, 9 deletions
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 48d00c1ac..cdcdac474 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -9,13 +9,7 @@ import {
     EtherTokenWrapper,
     ExchangeWrapper,
 } from '@0xproject/contract-wrappers';
-import {
-    assetDataUtils,
-    ecSignOrderHashAsync,
-    generatePseudoRandomSalt,
-    isValidSignatureAsync,
-    orderHashUtils,
-} from '@0xproject/order-utils';
+import { assetDataUtils, generatePseudoRandomSalt, signatureUtils, orderHashUtils } from '@0xproject/order-utils';
 // HACK: Since we export assetDataUtils from ZeroEx and it has AssetProxyId, ERC20AssetData and ERC721AssetData
 // in it's public interface, we need to import these types here.
 // tslint:disable-next-line:no-unused-variable
@@ -197,7 +191,7 @@ export class ZeroEx {
      * @return  Whether the signature is valid for the supplied signerAddress and data.
      */
     public async isValidSignatureAsync(data: string, signature: string, signerAddress: string): Promise<boolean> {
-        const isValid = await isValidSignatureAsync(
+        const isValid = await signatureUtils.isValidSignatureAsync(
             this._contractWrappers.getProvider(),
             data,
             signature,
@@ -247,7 +241,7 @@ export class ZeroEx {
         signerAddress: string,
         signerType: SignerType = SignerType.Default,
     ): Promise<string> {
-        const signature = await ecSignOrderHashAsync(
+        const signature = await signatureUtils.ecSignOrderHashAsync(
             this._contractWrappers.getProvider(),
             orderHash,
             signerAddress,