3 files changed, 2 insertions, 4 deletions
diff --git a/packages/connect/src/utils/assert.ts b/packages/connect/src/utils/assert.ts
index b5d5283bd..a0fd12fbd 100644
--- a/packages/connect/src/utils/assert.ts
+++ b/packages/connect/src/utils/assert.ts
@@ -4,6 +4,7 @@ import { assert as sharedAssert } from '@0xproject/assert';
 import { Schema, schemas } from '@0xproject/json-schemas';
 // tslint:disable-next-line:no-unused-variable
 import { ECSignature } from '@0xproject/types';
+// tslint:disable-next-line:no-unused-variable
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
@@ -11,7 +12,7 @@ export const assert = {
     ...sharedAssert,
     isOrderbookChannelSubscriptionOpts(variableName: string, subscriptionOpts: any): void {
         sharedAssert.doesConformToSchema(
-            'subscriptionOpts',
+            variableName,
             subscriptionOpts,
             schemas.relayerApiOrderbookChannelSubscribePayload,
         );
diff --git a/packages/connect/src/ws_orderbook_channel.ts b/packages/connect/src/ws_orderbook_channel.ts
index e5d31607a..e1c55cce3 100644
--- a/packages/connect/src/ws_orderbook_channel.ts
+++ b/packages/connect/src/ws_orderbook_channel.ts
@@ -6,8 +6,6 @@ import {
     OrderbookChannelHandler,
     OrderbookChannelMessageTypes,
     OrderbookChannelSubscriptionOpts,
-    WebsocketClientEventType,
-    WebsocketConnectionEventType,
 } from './types';
 import { assert } from './utils/assert';
 import { orderbookChannelMessageParser } from './utils/orderbook_channel_message_parser';
diff --git a/packages/connect/test/orderbook_channel_factory_test.ts b/packages/connect/test/orderbook_channel_factory_test.ts
index d2140bfa6..2ce361bd2 100644
--- a/packages/connect/test/orderbook_channel_factory_test.ts
+++ b/packages/connect/test/orderbook_channel_factory_test.ts
@@ -2,7 +2,6 @@ import * as chai from 'chai';
 import * as dirtyChai from 'dirty-chai';
 import * as _ from 'lodash';
 import 'mocha';
-import * as WebSocket from 'websocket';
 
 import { orderbookChannelFactory } from '../src/orderbook_channel_factory';