3 files changed, 2 insertions, 24 deletions
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index 7f5a789e4..57bf0875a 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -63,7 +63,7 @@
         "@0xproject/order-utils": "^1.0.0",
         "@0xproject/sol-compiler": "^0.5.2",
         "@0xproject/subproviders": "^0.10.4",
-        "@0xproject/typescript-typings": "^0.4.1",
+        "@0xproject/typescript-typings": "^0.4.2",
         "@0xproject/utils": "^0.7.1",
         "@0xproject/web3-wrapper": "^0.7.1",
         "@ledgerhq/hw-app-eth": "^4.3.0",
diff --git a/packages/migrations/src/globals.d.ts b/packages/migrations/src/globals.d.ts
index b11849b05..94e63a32d 100644
--- a/packages/migrations/src/globals.d.ts
+++ b/packages/migrations/src/globals.d.ts
@@ -4,26 +4,3 @@ declare module '*.json' {
     export default json;
     /* tslint:enable */
 }
-
-declare module '@ledgerhq/hw-app-eth' {
-    class Eth {
-        public transport: LedgerTransport;
-        constructor(transport: LedgerTransport);
-        public getAddress(
-            path: string,
-            boolDisplay?: boolean,
-            boolChaincode?: boolean,
-        ): Promise<{ publicKey: string; address: string; chainCode: string }>;
-        public signTransaction(path: string, rawTxHex: string): Promise<ECSignatureString>;
-        public getAppConfiguration(): Promise<{ arbitraryDataEnabled: number; version: string }>;
-        public signPersonalMessage(path: string, messageHex: string): Promise<ECSignature>;
-    }
-    export default Eth;
-}
-
-declare module '@ledgerhq/hw-transport-node-hid' {
-    export default class TransportNodeHid implements LedgerTransport {
-        public static create(): Promise<LedgerTransport>;
-        public close(): Promise<void>;
-    }
-}
diff --git a/packages/migrations/src/utils/provider_factory.ts b/packages/migrations/src/utils/provider_factory.ts
index fafc55dda..7a217b1e0 100644
--- a/packages/migrations/src/utils/provider_factory.ts
+++ b/packages/migrations/src/utils/provider_factory.ts
@@ -1,5 +1,6 @@
 import { LedgerEthereumClient, LedgerSubprovider } from '@0xproject/subproviders';
 import Eth from '@ledgerhq/hw-app-eth';
+// tslint:disable:no-implicit-dependencies
 import TransportNodeHid from '@ledgerhq/hw-transport-node-hid';
 import { Provider } from 'ethereum-types';
 import ProviderEngine = require('web3-provider-engine');