diff --git a/Runtime/Scripts/VA_AnimatorSystem.cs b/Runtime/Scripts/VA_AnimatorSystem.cs
index ed64e39..cff1a42 100644
--- a/Runtime/Scripts/VA_AnimatorSystem.cs
+++ b/Runtime/Scripts/VA_AnimatorSystem.cs
@@ -1,7 +1,6 @@
 using Unity.Entities;
 using Unity.Transforms;
 using Unity.Mathematics;
-using UnityEngine.Animations;
 
 namespace TAO.VertexAnimation
 {