diff --git a/inc/hgl/io/event/WindowEvent.h b/inc/hgl/io/event/WindowEvent.h
index e12a947..255b5ff 100644
--- a/inc/hgl/io/event/WindowEvent.h
+++ b/inc/hgl/io/event/WindowEvent.h
@@ -2,7 +2,6 @@
 #define HGL_IO_WINDOW_EVENT_INCLUDE
 
 #include<hgl/io/event/InputEvent.h>
-#include<hgl/graph/ViewportInfo.h>
 namespace hgl
 {
     namespace io
@@ -32,8 +31,6 @@ namespace hgl
         {
             WindowEventData *wed;
 
-            graph::ViewportInfo viewport_info;
-
         public:
 
             WindowEvent():InputEvent(InputEventSource::Window){}
@@ -58,7 +55,7 @@ namespace hgl
 
         public:
 
-            virtual void OnResize(uint w,uint h){viewport_info.Set(w,h);}
+            virtual void OnResize(uint w,uint h){}
             virtual void OnActive(bool){}
             virtual void OnClose (){}
         };//class WindowEvent:public InputEvent