diff --git a/packages/pinball_components/test/src/components/flipper/behaviors/flipper_key_controlling_behavior_test.dart b/packages/pinball_components/test/src/components/flipper/behaviors/flipper_key_controlling_behavior_test.dart
index 76883836..11af6187 100644
--- a/packages/pinball_components/test/src/components/flipper/behaviors/flipper_key_controlling_behavior_test.dart
+++ b/packages/pinball_components/test/src/components/flipper/behaviors/flipper_key_controlling_behavior_test.dart
@@ -1,7 +1,5 @@
 // ignore_for_file: cascade_invocations
 
-import 'dart:collection';
-
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';