diff --git a/Scripts/BlendShape/BlendShapeClip.cs b/Scripts/BlendShape/BlendShapeClip.cs
index 96253b651..4b883fdc4 100644
--- a/Scripts/BlendShape/BlendShapeClip.cs
+++ b/Scripts/BlendShape/BlendShapeClip.cs
@@ -92,7 +92,7 @@ namespace VRM
         [SerializeField]
         public bool IsBinary;
 
-        [SerializeField]
-        public Texture2D Thumbnail;
+        // [SerializeField]
+        // public Texture2D Thumbnail;
     }
 }
diff --git a/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs b/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
index 6b1da8820..a8dec2adb 100644
--- a/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
+++ b/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
@@ -10,9 +10,12 @@ namespace VRM
     [CustomPropertyDrawer(typeof(BlendShapeClip))]
     public class BlendShapeClipDrawer : PropertyDrawer
     {
-        public const int Height = 132;
+        //public const int Height = 132;
 
-        public const int ThumbnailSize = 128;
+        //public const int ThumbnailSize = 128;
+
+        public const int Height = 80;
+        public const int ThumbnailSize = 0;
 
         public override void OnGUI(Rect position,
           SerializedProperty property, GUIContent label)
@@ -32,16 +35,18 @@ namespace VRM
                 if (clip != null)
                 {
                     var clipObj = new SerializedObject(clip);
-                    var thumbnail = clipObj.FindProperty("Thumbnail");
+                    //var thumbnail = clipObj.FindProperty("Thumbnail");
                     var blendShapeName = clipObj.FindProperty("BlendShapeName");
                     var preset = clipObj.FindProperty("Preset");
                     var isBinary = clipObj.FindProperty("IsBinary");
 
+                    /*
                     EditorGUI.ObjectField(new Rect(position)
                     {
                         width = ThumbnailSize,
                         height = ThumbnailSize
                     }, thumbnail.objectReferenceValue, typeof(Texture), false);
+                    */
 
                     rect.y += (EditorGUIUtility.singleLineHeight + 2);
                     EditorGUI.PropertyField(rect, blendShapeName);
diff --git a/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs b/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
index 125f625d6..5af9097f5 100644
--- a/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
+++ b/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
@@ -24,7 +24,7 @@ namespace VRM
             };
         }
 
-        SerializedProperty m_thumbnailProp;
+        //SerializedProperty m_thumbnailProp;
         SerializedProperty m_isBinaryProp;
 
         protected override GameObject GetPrefab()
@@ -91,12 +91,13 @@ namespace VRM
             if (m_serializedEditor == null)
             {
                 m_serializedEditor = new SerializedBlendShapeEditor(serializedObject, PreviewSceneManager);
-                m_thumbnailProp = serializedObject.FindProperty("Thumbnail");
+                //m_thumbnailProp = serializedObject.FindProperty("Thumbnail");
                 m_isBinaryProp = serializedObject.FindProperty("IsBinary");
             }
 
             int thumbnailSize = 96;
             EditorGUILayout.BeginHorizontal();
+            /*
             var objectReferenceValue = EditorGUILayout.ObjectField(m_thumbnailProp.objectReferenceValue, typeof(Texture), false,
                 GUILayout.Width(thumbnailSize), GUILayout.Height(thumbnailSize));
             if (m_thumbnailProp.objectReferenceValue != objectReferenceValue)
@@ -104,6 +105,7 @@ namespace VRM
                 m_thumbnailProp.objectReferenceValue = objectReferenceValue;
                 serializedObject.ApplyModifiedProperties();
             }
+            */
 
             var changed = false;
             EditorGUILayout.BeginVertical();
@@ -111,6 +113,7 @@ namespace VRM
             EditorGUILayout.LabelField("Preview Weight");
             var previewSlider = EditorGUILayout.Slider(m_previewSlider, 0, 1.0f);
             GUI.enabled = PreviewTexture != null;
+            /*
             if (GUILayout.Button("save thumbnail"))
             {
                 //var ext = "jpg";
@@ -129,6 +132,7 @@ namespace VRM
                     serializedObject.ApplyModifiedProperties();
                 }
             }
+            */
             GUI.enabled = true;
             EditorGUILayout.EndVertical();
 
diff --git a/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs b/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
index 0390b5c3d..7d21c8341 100644
--- a/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
+++ b/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
@@ -66,7 +66,7 @@ namespace VRM
             this.m_serializedObject = serializedObject;
             this.m_targetObject = targetObject;
 
-            m_thumbnail = serializedObject.FindProperty("Thumbnail");
+            //m_thumbnail = serializedObject.FindProperty("Thumbnail");
             m_blendShapeNameProp = serializedObject.FindProperty("BlendShapeName");
             m_presetProp = serializedObject.FindProperty("Preset");
             m_isBinaryProp = serializedObject.FindProperty("IsBinary");
diff --git a/Scripts/Meta/Editor/VRMMetaEditor.cs b/Scripts/Meta/Editor/VRMMetaEditor.cs
index b5e861d22..6e90bb5db 100644
--- a/Scripts/Meta/Editor/VRMMetaEditor.cs
+++ b/Scripts/Meta/Editor/VRMMetaEditor.cs
@@ -70,12 +70,12 @@ namespace VRM
         }
 
         bool m_foldoutInfo = true;
-        bool m_foldoutPersmission=true;
-        bool m_foldoutDistribution=true;
+        bool m_foldoutPersmission = true;
+        bool m_foldoutDistribution = true;
         void VRMMetaObjectGUI(SerializedObject so)
         {
             InitMap(so);
-            if (m_propMap == null || m_propMap.Count==0) return;
+            if (m_propMap == null || m_propMap.Count == 0) return;
 
             so.Update();
 
@@ -95,8 +95,8 @@ namespace VRM
                 EditorGUILayout.PropertyField(m_propMap["Author"]);
                 EditorGUILayout.PropertyField(m_propMap["ContactInformation"]);
                 EditorGUILayout.PropertyField(m_propMap["Reference"]);
-                var thumbnail = m_propMap["Thumbnail"];
-                thumbnail.objectReferenceValue = TextureField("", (Texture2D)thumbnail.objectReferenceValue, 100);
+                //var thumbnail = m_propMap["Thumbnail"];
+                //thumbnail.objectReferenceValue = TextureField("", (Texture2D)thumbnail.objectReferenceValue, 100);
             }
 
             EditorGUILayout.LabelField("License ", EditorStyles.boldLabel);
@@ -121,7 +121,7 @@ namespace VRM
                     EditorGUILayout.PropertyField(m_propMap["OtherLicenseUrl"]);
                 }
             }
-           
+
             so.ApplyModifiedProperties();
         }