diff --git a/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart b/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart
index a480d1f9..ca62d1b1 100644
--- a/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart
+++ b/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart
@@ -1,5 +1,3 @@
-import 'dart:math' as math;
-
 import 'package:flame/extensions.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:pinball_components/pinball_components.dart';