diff --git a/inc/hgl/graph/vulkan/VKInstance.h b/inc/hgl/graph/vulkan/VKInstance.h
index 08b903b7..3651dddb 100644
--- a/inc/hgl/graph/vulkan/VKInstance.h
+++ b/inc/hgl/graph/vulkan/VKInstance.h
@@ -14,15 +14,13 @@ VK_NAMESPACE_BEGIN
 
         VKDebugOut *debug_out;
 
-        CharPointerList ext_list;
-
         ObjectList<PhysicalDevice> physical_devices;
 
     private:
 
         friend Instance *CreateInstance(const UTF8String &app_name,VKDebugOut *out=nullptr);
 
-        Instance(VkInstance,CharPointerList &,VKDebugOut *);
+        Instance(VkInstance,VKDebugOut *);
 
     public:
 
@@ -30,7 +28,6 @@ VK_NAMESPACE_BEGIN
 
                 operator VkInstance (){return inst;}
 
-        const   CharPointerList &           GetExtList          ()const {return ext_list;}
         const   ObjectList<PhysicalDevice> &GetDeviceList       ()const {return physical_devices;}
         const   PhysicalDevice *            GetDevice           (VkPhysicalDeviceType)const;
     };//class Instance
diff --git a/src/RenderDevice/Vulkan/VKInstance.cpp b/src/RenderDevice/Vulkan/VKInstance.cpp
index 042018b8..a75068d5 100644
--- a/src/RenderDevice/Vulkan/VKInstance.cpp
+++ b/src/RenderDevice/Vulkan/VKInstance.cpp
@@ -48,16 +48,15 @@ Instance *CreateInstance(const UTF8String &app_name,VKDebugOut *out)
             out=new VKDebugOut;
         
         out->Init(inst);
-        return(new Instance(inst,ext_list,out));
+        return(new Instance(inst,out));
     }
 
     return(nullptr);
 }
 
-Instance::Instance(VkInstance i,CharPointerList &el,VKDebugOut *out)
+Instance::Instance(VkInstance i,VKDebugOut *out)
 {
     inst=i;
-    ext_list=el;
 
     debug_out=out;