diff --git a/src/Avalonia.Base/Animation/AnimationInstance`1.cs b/src/Avalonia.Base/Animation/AnimationInstance`1.cs
index 32ad97b376..01c8c439a3 100644
--- a/src/Avalonia.Base/Animation/AnimationInstance`1.cs
+++ b/src/Avalonia.Base/Animation/AnimationInstance`1.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.Linq;
 using Avalonia.Reactive;
 using Avalonia.Animation.Animators;