diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/ImporterContext.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/ImporterContext.cs
index 12622452e..647601e35 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/ImporterContext.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/ImporterContext.cs
@@ -939,9 +939,14 @@ namespace UniGLTF
             if (Root != null) GameObject.Destroy(Root);
 
             // Remove resources. materials, textures meshes etc...
-            foreach (var o in ObjectsForSubAsset())
+            MaterialFactory.Dispose();
+            foreach (var x in Meshes)
             {
-                UnityEngine.Object.DestroyImmediate(o, true);
+                UnityEngine.Object.DestroyImmediate(x.Mesh, true);
+            }
+            foreach (var x in AnimationClips)
+            {
+                UnityEngine.Object.DestroyImmediate(x, true);
             }
         }
 
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
index 22cd4788a..c6d6687c8 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
@@ -1,4 +1,5 @@
-using System.Collections;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -11,7 +12,7 @@ namespace UniGLTF
     public delegate MaterialItemBase MaterialImporter(int i, glTFMaterial x, bool hasVertexColor);
 
 
-    public class MaterialFactory
+    public class MaterialFactory : IDisposable
     {
         MaterialImporter m_materialImporter;
         public MaterialImporter MaterialImporter
@@ -189,5 +190,10 @@ namespace UniGLTF
 
             return new PBRMaterialItem(i, x);
         }
+
+        public void Dispose()
+        {
+            throw new NotImplementedException();
+        }
     }
 }