2 files changed, 1 insertions, 3 deletions
diff --git a/packages/subproviders/src/globals.d.ts b/packages/subproviders/src/globals.d.ts
index 916fed807..580c5aaa5 100644
--- a/packages/subproviders/src/globals.d.ts
+++ b/packages/subproviders/src/globals.d.ts
@@ -1,5 +1,3 @@
-declare module 'es6-promisify';
-
 // tslint:disable:max-classes-per-file
 // tslint:disable:class-name
 // tslint:disable:async-suffix
diff --git a/packages/subproviders/src/subproviders/subprovider.ts b/packages/subproviders/src/subproviders/subprovider.ts
index 26ce19305..1490d37ba 100644
--- a/packages/subproviders/src/subproviders/subprovider.ts
+++ b/packages/subproviders/src/subproviders/subprovider.ts
@@ -1,5 +1,5 @@
 import { JSONRPCRequestPayload, JSONRPCResponsePayload } from '@0xproject/types';
-import promisify = require('es6-promisify');
+import { promisify } from '@0xproject/utils';
 import * as Web3 from 'web3';
 
 import { JSONRPCRequestPayloadWithMethod } from '../types';