diff --git a/CMCore b/CMCore
index 215494ea..97422170 160000
--- a/CMCore
+++ b/CMCore
@@ -1 +1 @@
-Subproject commit 215494ead2c3e2b60191f6f77d1648d6a466f93f
+Subproject commit 97422170df154a9e3067c6e129b01d196e7fa265
diff --git a/inc/hgl/graph/VKDevice.h b/inc/hgl/graph/VKDevice.h
index 02b5772d..e838bf8b 100644
--- a/inc/hgl/graph/VKDevice.h
+++ b/inc/hgl/graph/VKDevice.h
@@ -210,7 +210,6 @@ public: //
 public: //shader & material
 
     MaterialParameters *CreateMP(const MaterialDescriptorManager *,const PipelineLayoutData *,const DescriptorSetType &);
-    MaterialParameters *CreateMP(Material *,const DescriptorSetType &);
     
     ShaderModule *CreateShaderModule(VkShaderStageFlagBits,const uint32_t *,const size_t);
     
diff --git a/inc/hgl/graph/VKMaterial.h b/inc/hgl/graph/VKMaterial.h
index 6e2284b0..5dcbc5b1 100644
--- a/inc/hgl/graph/VKMaterial.h
+++ b/inc/hgl/graph/VKMaterial.h
@@ -4,7 +4,6 @@
 #include<hgl/graph/VK.h>
 #include<hgl/type/Map.h>
 #include<hgl/type/String.h>
-#include<hgl/type/Collection.h>
 #include<hgl/graph/VKShaderModuleMap.h>
 #include<hgl/graph/VKDescriptorSetType.h>
 VK_NAMESPACE_BEGIN
@@ -43,8 +42,6 @@ class Material
 {
     MaterialData *data;
 
-    Collection *mi_data;
-
 private:
 
     friend GPUDevice;
diff --git a/src/SceneGraph/Vulkan/VKDeviceMaterial.cpp b/src/SceneGraph/Vulkan/VKDeviceMaterial.cpp
index 1e9a72f6..0b1b7007 100644
--- a/src/SceneGraph/Vulkan/VKDeviceMaterial.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceMaterial.cpp
@@ -75,13 +75,6 @@ MaterialParameters *GPUDevice::CreateMP(const MaterialDescriptorManager *desc_ma
     return(new MaterialParameters(desc_manager,desc_set_type,ds));
 }
 
-MaterialParameters *GPUDevice::CreateMP(Material *mtl,const DescriptorSetType &desc_set_type)
-{
-    if(!mtl)return(nullptr);
-
-    return CreateMP(mtl->GetDescriptorSets(),mtl->GetPipelineLayoutData(),desc_set_type);
-}
-
 Material *GPUDevice::CreateMaterial(const UTF8String &mtl_name,ShaderModuleMap *shader_maps,MaterialDescriptorManager *desc_manager,VertexInput *vi)
 {
     const int shader_count=shader_maps->GetCount();