diff --git a/lib/src/services/upload_status_service.dart b/lib/src/services/upload_status_service.dart
index f04ccdd..fcbf4ef 100644
--- a/lib/src/services/upload_status_service.dart
+++ b/lib/src/services/upload_status_service.dart
@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import 'package:firebase_storage/firebase_storage.dart';
 import 'package:rxdart/rxdart.dart';