diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs
new file mode 100644
index 000000000..e71a31c60
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs
@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UniGLTF.MeshUtility
+{
+    public class MeshIntegrationGroup
+    {
+        /// <summary>
+        /// FirstPerson flag
+        /// TODO: enum
+        /// </summary>
+        public string Name;
+        public List<Renderer> Renderers = new List<Renderer>();
+    }
+}
\ No newline at end of file
diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs.meta b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs.meta
new file mode 100644
index 000000000..b456cf085
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshIntegrationGroup.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ae366b97d8d020245bbdb5d25df09314
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/VRM10/Editor/MeshUtility/MeshIntegrationTab.cs b/Assets/VRM10/Editor/MeshUtility/MeshIntegrationTab.cs
index 3812e0413..de8503800 100644
--- a/Assets/VRM10/Editor/MeshUtility/MeshIntegrationTab.cs
+++ b/Assets/VRM10/Editor/MeshUtility/MeshIntegrationTab.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using UniGLTF.MeshUtility;
 using UnityEditor;
 using UnityEditorInternal;
 using UnityEngine;
@@ -38,7 +39,7 @@ namespace UniVRM10
             _meshUti = meshUtility;
             _splitter = new VerticalSplitter(editor, 50, 50);
 
-            _groupList = new ReorderableList(_meshUti.MeshIntegrationGroups, typeof(Vrm10MeshUtility.MeshIntegrationGroup));
+            _groupList = new ReorderableList(_meshUti.MeshIntegrationGroups, typeof(MeshIntegrationGroup));
             _groupList.drawHeaderCallback = (Rect rect) =>
             {
                 GUI.Label(rect, "Integration group");
diff --git a/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs b/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
index 9369b1f58..841fd348f 100644
--- a/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
+++ b/Assets/VRM10/Runtime/MeshUtility/Vrm10MeshUtility.cs
@@ -48,16 +48,6 @@ namespace UniVRM10
         /// </summary>
         public bool FreezeRotation = false;
 
-        public class MeshIntegrationGroup
-        {
-            /// <summary>
-            /// FirstPerson flag
-            /// TODO: enum
-            /// </summary>
-            public string Name;
-            public List<Renderer> Renderers = new List<Renderer>();
-        }
-
         public List<MeshIntegrationGroup> MeshIntegrationGroups = new List<MeshIntegrationGroup>();
 
         /// <summary>