diff --git a/Core/Scripts/IO/MaterialExporter.cs b/Core/Scripts/IO/MaterialExporter.cs
index 1c2314e..9fddd69 100644
--- a/Core/Scripts/IO/MaterialExporter.cs
+++ b/Core/Scripts/IO/MaterialExporter.cs
@@ -238,7 +238,7 @@ private glTFMaterial Export_UniUnlit(Material m)
             }
 
             var cullMode = UniUnlit.Utils.GetCullMode(m);
-            if (cullMode == CullMode.Off)
+            if (cullMode == UniUnlitCullMode.Off)
             {
                 material.doubleSided = true;
             }
diff --git a/Core/Scripts/IO/MaterialImporter.cs b/Core/Scripts/IO/MaterialImporter.cs
index c7c991f..96f061f 100644
--- a/Core/Scripts/IO/MaterialImporter.cs
+++ b/Core/Scripts/IO/MaterialImporter.cs
@@ -124,11 +124,11 @@ public virtual Material CreateMaterial(int i, glTFMaterial x)
                 // culling
                 if (x.doubleSided)
                 {
-                    UniUnlit.Utils.SetCullMode(material, CullMode.Off);
+                    UniUnlit.Utils.SetCullMode(material, UniUnlit.UniUnlitCullMode.Off);
                 }
                 else
                 {
-                    UniUnlit.Utils.SetCullMode(material, CullMode.Back);
+                    UniUnlit.Utils.SetCullMode(material, UniUnlit.UniUnlitCullMode.Back);
                 }
 
                 UniUnlit.Utils.ValidateProperties(material, true);
diff --git a/UniUnlit/Editor/UniUnlitEditor.cs b/UniUnlit/Editor/UniUnlitEditor.cs
index 78ea36f..afd11b7 100644
--- a/UniUnlit/Editor/UniUnlitEditor.cs
+++ b/UniUnlit/Editor/UniUnlitEditor.cs
@@ -69,7 +69,7 @@ private void DrawRenderingBox(MaterialEditor materialEditor, Material[] material
                 {
                     ModeChanged(materials, isRenderModeChangedByUser: true);
                 }
-                if (PopupEnum<CullMode>("Cull Mode", _cullMode, materialEditor))
+                if (PopupEnum<UniUnlitCullMode>("Cull Mode", _cullMode, materialEditor))
                 {
                     ModeChanged(materials, isRenderModeChangedByUser: true);
                 }
diff --git a/UniUnlit/Scripts/Utils.cs b/UniUnlit/Scripts/Utils.cs
index 59921f3..d32d4f4 100644
--- a/UniUnlit/Scripts/Utils.cs
+++ b/UniUnlit/Scripts/Utils.cs
@@ -8,7 +8,13 @@ public enum UniUnlitRenderMode
         Opaque = 0,
         Cutout = 1,
         Transparent = 2,
-        TransparentWithZWrite = 3,
+    }
+
+    public enum UniUnlitCullMode
+    {
+        Off = 0,
+//        Front = 1,
+        Back = 2,
     }
 
     public enum UniUnlitVertexColorBlendOp
@@ -16,7 +22,7 @@ public enum UniUnlitVertexColorBlendOp
         None = 0,
         Multiply = 1,
     }
-
+    
     public static class Utils
     {
         public const string PropNameMainTex = "_MainTex";
@@ -45,7 +51,7 @@ public static void SetRenderMode(Material material, UniUnlitRenderMode mode)
             material.SetInt(PropNameBlendMode, (int)mode);
         }
 
-        public static void SetCullMode(Material material, CullMode mode)
+        public static void SetCullMode(Material material, UniUnlitCullMode mode)
         {
             material.SetInt(PropNameCullMode, (int) mode);
         }
@@ -55,9 +61,9 @@ public static UniUnlitRenderMode GetRenderMode(Material material)
             return (UniUnlitRenderMode)material.GetInt(PropNameBlendMode);
         }
 
-        public static CullMode GetCullMode(Material material)
+        public static UniUnlitCullMode GetCullMode(Material material)
         {
-            return (CullMode)material.GetInt(PropNameCullMode);
+            return (UniUnlitCullMode)material.GetInt(PropNameCullMode);
         }
 
         /// <summary>
@@ -106,15 +112,6 @@ private static void SetupBlendMode(Material material, UniUnlitRenderMode renderM
                     SetKeyword(material, KeywordAlphaBlendOn, true);
                     if (isRenderModeChangedByUser) material.renderQueue = (int)RenderQueue.Transparent;
                     break;
-                case UniUnlitRenderMode.TransparentWithZWrite:
-                    material.SetOverrideTag(TagRenderTypeKey, TagRenderTypeValueTransparent);
-                    material.SetInt(PropNameSrcBlend, (int)BlendMode.SrcAlpha);
-                    material.SetInt(PropNameDstBlend, (int)BlendMode.OneMinusSrcAlpha);
-                    material.SetInt(PropNameZWrite, 1);
-                    SetKeyword(material, KeywordAlphaTestOn, false);
-                    SetKeyword(material, KeywordAlphaBlendOn, true);
-                    if (isRenderModeChangedByUser) material.renderQueue = (int)RenderQueue.AlphaTest + 150;
-                    break;
             }
         }