2 files changed, 2 insertions, 3 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';