diff --git a/inc/hgl/graph/VKDevice.h b/inc/hgl/graph/VKDevice.h
index 5b7525f5..9cc600e2 100644
--- a/inc/hgl/graph/VKDevice.h
+++ b/inc/hgl/graph/VKDevice.h
@@ -32,23 +32,10 @@ class GPUDevice
 {
     GPUDeviceAttribute *attr;
 
-    DeviceQueue *texture_queue;
-    TextureCmdBuffer *texture_cmd_buf;
-
-private:
-
-    RTSwapchain *sc_rt;
-
-    RTSwapchain *CreateSwapchainRenderTarget();
-
 private:
 
     VkCommandBuffer CreateCommandBuffer(const AnsiString &);
 
-    bool CreateSwapchainFBO(Swapchain *);
-
-    Swapchain *CreateSwapchain(const VkExtent2D &acquire_extent);
-
 private:
 
     friend class VulkanDeviceCreater;
@@ -73,10 +60,6 @@ public:
     const       VkColorSpaceKHR     GetColorSpace       ()const {return attr->surface_format.colorSpace;}
                 VkQueue             GetGraphicsQueue    ()      {return attr->graphics_queue;}
 
-                RTSwapchain *       GetSwapchainRT      ()      {return sc_rt;}
-
-    const       VkExtent2D &        GetSwapchainSize    ()const {return sc_rt->GetExtent();}
-
                 void                WaitIdle            ()const {vkDeviceWaitIdle(attr->device);}
 
                 DebugUtils *        GetDebugUtils       (){return attr->debug_utils;}
diff --git a/src/SceneGraph/Vulkan/VKDevice.cpp b/src/SceneGraph/Vulkan/VKDevice.cpp
index 6f00ada8..a6bac1df 100644
--- a/src/SceneGraph/Vulkan/VKDevice.cpp
+++ b/src/SceneGraph/Vulkan/VKDevice.cpp
@@ -1,50 +1,18 @@
 #include<hgl/graph/VKDevice.h>
-#include<hgl/type/Pair.h>
 #include<hgl/graph/VKSemaphore.h>
-#include<hgl/graph/VKTexture.h>
-#include<hgl/graph/VKImageView.h>
-#include<hgl/graph/VKPipeline.h>
 #include<hgl/graph/VKCommandBuffer.h>
-#include<hgl/graph/VKRenderPass.h>
-#include<hgl/graph/VKFramebuffer.h>
-#include<hgl/graph/VKDescriptorSet.h>
 
 VK_NAMESPACE_BEGIN
 GPUDevice::GPUDevice(GPUDeviceAttribute *da)
 {
     attr=da;
-
-    texture_queue=nullptr;
-    texture_cmd_buf=nullptr;
-
-    sc_rt=nullptr;
-    Resize(attr->surface_caps.currentExtent);
-
-    texture_cmd_buf=CreateTextureCommandBuffer(attr->physical_device->GetDeviceName()+AnsiString(":TexCmdBuffer"));
-    texture_queue=CreateQueue();
 }
 
 GPUDevice::~GPUDevice()
 {
-    SAFE_CLEAR(sc_rt);
-
-    SAFE_CLEAR(texture_queue);
-    SAFE_CLEAR(texture_cmd_buf);
-
     delete attr;
 }
 
-bool GPUDevice::Resize(const VkExtent2D &extent)
-{
-    SAFE_CLEAR(sc_rt);
-
-    attr->RefreshSurfaceCaps();
-
-    sc_rt=CreateSwapchainRenderTarget();
-
-    return(sc_rt);
-}
-
 VkCommandBuffer GPUDevice::CreateCommandBuffer(const AnsiString &name)
 {
     if(!attr->cmd_pool)