diff --git a/Assets/VRM/Editor/BlendShape/BlendShapeClipSelector.cs b/Assets/VRM/Editor/BlendShape/BlendShapeClipSelector.cs
index ae66a99d1..1ba81c499 100644
--- a/Assets/VRM/Editor/BlendShape/BlendShapeClipSelector.cs
+++ b/Assets/VRM/Editor/BlendShape/BlendShapeClipSelector.cs
@@ -46,8 +46,6 @@ namespace VRM
 
         public BlendShapeClipSelector(BlendShapeAvatar avatar, Action<BlendShapeClip> onSelected)
         {
-            avatar.RemoveNullClip();
-
             m_avatar = avatar;
             m_onSelected = onSelected;
 
diff --git a/Assets/VRM/Runtime/BlendShape/BlendShapeAvatar.cs b/Assets/VRM/Runtime/BlendShape/BlendShapeAvatar.cs
index 814fe574f..7e07b0b57 100644
--- a/Assets/VRM/Runtime/BlendShape/BlendShapeAvatar.cs
+++ b/Assets/VRM/Runtime/BlendShape/BlendShapeAvatar.cs
@@ -31,7 +31,7 @@ namespace VRM
         /// <summary>
         /// NullのClipを削除して詰める
         /// </summary>
-        public void RemoveNullClip()
+        private void RemoveNullClip()
         {
             if (clips == null)
             {