diff --git a/packages/unit/test/widget/mixed_viewport_test.dart b/packages/unit/test/widget/mixed_viewport_test.dart
index 2d5069fbaf..c66539b37d 100644
--- a/packages/unit/test/widget/mixed_viewport_test.dart
+++ b/packages/unit/test/widget/mixed_viewport_test.dart
@@ -1,6 +1,5 @@
 import 'package:sky/widgets.dart';
 import 'package:test/test.dart';
-import 'package:quiver/testing/async.dart';
 
 import 'widget_tester.dart';