diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
index 7b8d8c8cf..95c19948b 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.IO;
 using UniGLTF.M17N;
 using UnityEditor;
 using UnityEngine;
@@ -48,6 +49,21 @@ namespace UniGLTF.MeshUtility
             return false;
         }
 
+        const string ASSET_SUFFIX = ".mesh.asset";
+
+        static string GetMeshWritePath(Mesh mesh)
+        {
+            if (!string.IsNullOrEmpty((AssetDatabase.GetAssetPath(mesh))))
+            {
+                var directory = Path.GetDirectoryName(AssetDatabase.GetAssetPath(mesh)).Replace("\\", "/");
+                return $"{directory}/{Path.GetFileNameWithoutExtension(mesh.name)}{ASSET_SUFFIX}";
+            }
+            else
+            {
+                return $"Assets/{Path.GetFileNameWithoutExtension(mesh.name)}{ASSET_SUFFIX}";
+            }
+        }
+
         /// <param name="src">GameObject instance in scene or prefab</param>
         public static bool Execute(GameObject src, bool onlyBlendShapeRenderers)
         {
@@ -75,7 +91,7 @@ namespace UniGLTF.MeshUtility
             foreach (var result in results)
             {
                 var mesh = result.IntegratedRenderer.sharedMesh;
-                var assetPath = MeshIntegratorUtility.GetMeshWritePath(mesh);
+                var assetPath = GetMeshWritePath(mesh);
                 Debug.LogFormat("CreateAsset: {0}", assetPath);
                 AssetDatabase.CreateAsset(mesh, assetPath);
             }
diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegratorUtility.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegratorUtility.cs
index 49958e176..7050bcb99 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegratorUtility.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegratorUtility.cs
@@ -1,14 +1,11 @@
 using System.Collections.Generic;
 using System.IO;
-using UnityEditor;
 using UnityEngine;
 
 namespace UniGLTF.MeshUtility
 {
     public static class MeshIntegratorUtility
     {
-        const string ASSET_SUFFIX = ".mesh.asset";
-
         /// <summary>
         /// go を root としたヒエラルキーから Renderer を集めて、統合された Mesh 作成する
         /// </summary>
@@ -183,18 +180,5 @@ namespace UniGLTF.MeshUtility
                 result.IntegratedRenderer.transform.SetParent(copy.transform, false);
             }
         }
-
-        public static string GetMeshWritePath(Mesh mesh)
-        {
-            if (!string.IsNullOrEmpty((AssetDatabase.GetAssetPath(mesh))))
-            {
-                var directory = Path.GetDirectoryName(AssetDatabase.GetAssetPath(mesh)).Replace("\\", "/");
-                return $"{directory}/{Path.GetFileNameWithoutExtension(mesh.name)}{ASSET_SUFFIX}";
-            }
-            else
-            {
-                return $"Assets/{Path.GetFileNameWithoutExtension(mesh.name)}{ASSET_SUFFIX}";
-            }
-        }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM/Runtime/BlendShape/BlendShapeClip.cs b/Assets/VRM/Runtime/BlendShape/BlendShapeClip.cs
index 481383512..8eff7633f 100644
--- a/Assets/VRM/Runtime/BlendShape/BlendShapeClip.cs
+++ b/Assets/VRM/Runtime/BlendShape/BlendShapeClip.cs
@@ -183,7 +183,9 @@ namespace VRM
             Values = src.Values.ToArray();
             Preset = src.Preset;
             name = src.name;
+#if UNITY_EDITOR
             Prefab = src.Prefab;
+#endif
         }
     }
 }
diff --git a/Assets/VRM_Samples/BlendShapeMenu/BlendShapeMenu.cs b/Assets/VRM_Samples/BlendShapeMenu/BlendShapeMenu.cs
index 7cbdc8ee4..096b9ccc0 100644
--- a/Assets/VRM_Samples/BlendShapeMenu/BlendShapeMenu.cs
+++ b/Assets/VRM_Samples/BlendShapeMenu/BlendShapeMenu.cs
@@ -78,6 +78,7 @@ namespace VRM.Sample.BlendShapeMenu
             return "Assets" + src.Substring(Application.dataPath.Length);
         }
 
+#if UNITY_EDITOR
         [MenuItem("CONTEXT/BlendShapeAvatar/Add ARKit FaceTracking BlendShapes")]
         public static void AddARKitFaceTrackingBlendShapes(MenuCommand command)
         {
@@ -176,5 +177,6 @@ namespace VRM.Sample.BlendShapeMenu
 
             Debug.Log($"Assign\n" + sb.ToString());
         }
+#endif
     }
 }