diff --git a/lib/mqtt_connection_html_websocket.dart b/lib/mqtt_connection_html_websocket.dart
index 4c21ced..d1f7dc5 100644
--- a/lib/mqtt_connection_html_websocket.dart
+++ b/lib/mqtt_connection_html_websocket.dart
@@ -3,7 +3,6 @@ library mqtt_html_ws;
 import 'dart:html';
 import 'dart:async';
 import 'mqtt_shared.dart';
-import 'dart:utf';
 import 'dart:typed_data';
 
 class MqttConnectionHtmlWebSocket extends VirtualMqttConnection{