diff --git a/inc/hgl/graph/VKPipeline.h b/inc/hgl/graph/VKPipeline.h
index 2a9a806b..e852b6c7 100644
--- a/inc/hgl/graph/VKPipeline.h
+++ b/inc/hgl/graph/VKPipeline.h
@@ -35,8 +35,6 @@ public:
 
     operator VkPipeline(){return pipeline;}
 
-    const VAB *GetVAB()const{return data->GetVAB();}
-
     const bool IsAlphaTest()const{return data->alpha_test>0;}
     const bool IsAlphaBlend()const{return data->alpha_blend;}
 };//class GraphicsPipeline
diff --git a/src/SceneGraph/Vulkan/VKPipeline.cpp b/src/SceneGraph/Vulkan/VKPipeline.cpp
index 0f39ab97..5a60a5b1 100644
--- a/src/SceneGraph/Vulkan/VKPipeline.cpp
+++ b/src/SceneGraph/Vulkan/VKPipeline.cpp
@@ -3,6 +3,7 @@
 VK_NAMESPACE_BEGIN
 Pipeline::~Pipeline()
 {
+    delete data;
     vkDestroyPipeline(device,pipeline,nullptr);
 }
 VK_NAMESPACE_END