diff --git a/Scripts/Format/VRMImporter.cs b/Scripts/Format/VRMImporter.cs
index 012d415b0..cf9950016 100644
--- a/Scripts/Format/VRMImporter.cs
+++ b/Scripts/Format/VRMImporter.cs
@@ -14,13 +14,23 @@ namespace VRM
         [Obsolete("use VRMImporterContext.Load(path)")]
         public static GameObject LoadFromPath(string path)
         {
-            return VRMImporterContext.Load(path).Root;
+            var context = new VRMImporterContext();
+            context.Parse(path, File.ReadAllBytes(path));
+            context.Load();
+            context.ShowMeshes();
+            context.EnableUpdateWhenOffscreen();
+            return context.Root;
         }
 
         [Obsolete("use VRMImporterContext.Load(bytes)")]
         public static GameObject LoadFromBytes(Byte[] bytes)
         {
-            return VRMImporterContext.Load(bytes).Root;
+            var context = new VRMImporterContext();
+            context.ParseGlb(bytes);
+            context.Load();
+            context.ShowMeshes();
+            context.EnableUpdateWhenOffscreen();
+            return context.Root;
         }
 
         [Obsolete("use VRMImporterContext.Load()")]
@@ -28,6 +38,7 @@ namespace VRM
         {
             context.Load();
             context.ShowMeshes();
+            context.EnableUpdateWhenOffscreen();
         }
 
         #region LoadVrmAsync
diff --git a/Scripts/Format/VRMImporterContext.cs b/Scripts/Format/VRMImporterContext.cs
index 392a17c6e..13dd4015f 100644
--- a/Scripts/Format/VRMImporterContext.cs
+++ b/Scripts/Format/VRMImporterContext.cs
@@ -2,7 +2,6 @@
 using System;
 using System.Linq;
 using System.Collections.Generic;
-using System.IO;
 using UniGLTF;
 using UnityEngine;
 
@@ -14,24 +13,13 @@ namespace VRM
         const string HUMANOID_KEY = "humanoid";
         const string MATERIAL_KEY = "materialProperties";
 
-        public VRMImporterContext(UnityPath gltfPath = default(UnityPath)) : base(gltfPath)
+        [Obsolete]
+        public VRMImporterContext(UnityPath gltfPath) : base(gltfPath)
         {
         }
 
-        public static VRMImporterContext Load(string path)
+        public VRMImporterContext()
         {
-            var context = new VRMImporterContext(UniGLTF.UnityPath.FromFullpath(path));
-            context.ParseGlb(File.ReadAllBytes(path));
-            context.Load();
-            return context;
-        }
-
-        public static VRMImporterContext Load(Byte[] bytes)
-        {
-            var context = new VRMImporterContext();
-            context.ParseGlb(bytes);
-            context.Load();
-            return context;
         }
 
         public override void Load()
diff --git a/UniGLTF b/UniGLTF
index e0c90f42c..5595029d7 160000
--- a/UniGLTF
+++ b/UniGLTF
@@ -1 +1 @@
-Subproject commit e0c90f42cc192b42d45be53c9fd5551cbe1b1984
+Subproject commit 5595029d7446fa4c1a8136dc47527c87c5a89fdd