diff --git a/Assets/VRM10/Runtime/IO/Model/MeshVertex.cs b/Assets/VRM10/Runtime/IO/Model/MeshVertex.cs
index d5926b1b3..192ba51c8 100644
--- a/Assets/VRM10/Runtime/IO/Model/MeshVertex.cs
+++ b/Assets/VRM10/Runtime/IO/Model/MeshVertex.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Runtime.InteropServices;
-using UnityEditor.UI;
 using UnityEngine;
 using UnityEngine.Rendering;