diff --git a/Assets/VRM.Samples/Editor/Tests/VRMImportExportTests.cs b/Assets/VRM.Samples/Editor/Tests/VRMImportExportTests.cs
index 3222dc800..3a42d7a60 100644
--- a/Assets/VRM.Samples/Editor/Tests/VRMImportExportTests.cs
+++ b/Assets/VRM.Samples/Editor/Tests/VRMImportExportTests.cs
@@ -83,9 +83,11 @@ namespace VRM.Samples
 
                 var vrm = VRMExporter.Export(context.Root);
 
-                var exportJson = JsonParser.Parse(vrm.ToJson());
+                // TODO: Check contents in JSON
+                /*var exportJson = */JsonParser.Parse(vrm.ToJson());
 
-                var newExportedJson = JsonParser.Parse(JsonSchema.FromType<glTF>().Serialize(vrm));
+                // TODO: Check contents in JSON
+                /*var newExportedJson = */JsonParser.Parse(JsonSchema.FromType<glTF>().Serialize(vrm));
 
                 /*
                 foreach (var kv in importJson.Diff(exportJson))
diff --git a/Assets/VRM.Samples/Scripts/VRMRuntimeExporter.cs b/Assets/VRM.Samples/Scripts/VRMRuntimeExporter.cs
index ae6f76631..2133365bf 100644
--- a/Assets/VRM.Samples/Scripts/VRMRuntimeExporter.cs
+++ b/Assets/VRM.Samples/Scripts/VRMRuntimeExporter.cs
@@ -54,7 +54,7 @@ namespace VRM.Samples
             Debug.LogFormat("meta: title:{0}", meta.Title);
 
             // ParseしたJSONをシーンオブジェクトに変換していく
-            context.LoadAsync(_ => OnLoaded(context));
+            context.LoadAsync(() => OnLoaded(context));
         }
 
         void OnLoaded(VRMImporterContext context)
diff --git a/Assets/VRM.Samples/Scripts/VRMRuntimeLoader.cs b/Assets/VRM.Samples/Scripts/VRMRuntimeLoader.cs
index 2ad97ef40..3e4911286 100644
--- a/Assets/VRM.Samples/Scripts/VRMRuntimeLoader.cs
+++ b/Assets/VRM.Samples/Scripts/VRMRuntimeLoader.cs
@@ -163,7 +163,7 @@ namespace VRM.Samples
         {
 #if true
             var now = Time.time;
-            context.LoadAsync(_ =>
+            context.LoadAsync(() =>
             {
                 var delta = Time.time - now;
                 Debug.LogFormat("LoadAsync {0:0.0} seconds", delta);
diff --git a/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs b/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
index b07678d1c..0c1fef64a 100644
--- a/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
+++ b/Assets/VRM/UniJSON/Scripts/ListTreeNode/ListTreeNode.cs
@@ -68,9 +68,9 @@ namespace UniJSON
             if (this.IsArray())
             {
                 var sb = new StringBuilder();
-                bool isFirst = true;
                 sb.Append("[");
                 /*
+                bool isFirst = true;
                 foreach (var x in this.ArrayItems())
                 {
                     if (isFirst)
@@ -90,9 +90,9 @@ namespace UniJSON
             else if (this.IsMap())
             {
                 var sb = new StringBuilder();
-                bool isFirst = true;
                 sb.Append("{");
                 /*
+                bool isFirst = true;
                 foreach (var kv in this.ObjectItems())
                 {
                     if (isFirst)
diff --git a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
index 822a5a09f..646c8c4d7 100644
--- a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
+++ b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipDrawer.cs
@@ -26,7 +26,7 @@ namespace VRM
 
                 position.height = EditorGUIUtility.singleLineHeight;
 
-                var halfWidth = position.width * 0.5f;
+                //var halfWidth = position.width * 0.5f;
 
                 var rect = new Rect(position.x + ThumbnailSize, position.y, position.width - ThumbnailSize, position.height);
                 EditorGUI.PropertyField(rect, property);
diff --git a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
index 440797e73..2821163e2 100644
--- a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
+++ b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
@@ -95,9 +95,10 @@ namespace VRM
                 m_isBinaryProp = serializedObject.FindProperty("IsBinary");
             }
 
-            int thumbnailSize = 96;
             EditorGUILayout.BeginHorizontal();
+
             /*
+            int thumbnailSize = 96;
             var objectReferenceValue = EditorGUILayout.ObjectField(m_thumbnailProp.objectReferenceValue, typeof(Texture), false,
                 GUILayout.Width(thumbnailSize), GUILayout.Height(thumbnailSize));
             if (m_thumbnailProp.objectReferenceValue != objectReferenceValue)
diff --git a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
index 13d190e52..17112291f 100644
--- a/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
+++ b/Assets/VRM/UniVRM/Scripts/BlendShape/Editor/SerializedBlendShapeClipEditor.cs
@@ -36,7 +36,7 @@ namespace VRM
         #endregion
 
         #region  Editor values
-        float m_previewSlider = 1.0f;
+        //float m_previewSlider = 1.0f;
 
         bool m_changed;