diff --git a/app/VideoSubWindow.h b/app/VideoSubWindow.h
index 9d9504c..ba74036 100644
--- a/app/VideoSubWindow.h
+++ b/app/VideoSubWindow.h
@@ -112,8 +112,6 @@ public:
   Void seekAbsoluteEvent( UInt new_frame_num );
   Void seekRelativeEvent( Bool bIsFoward );
 
-  QImage* FrameToQImage( PlaYUVerFrame* curr_frame );
-
   Void refreshFrame();
   Void setCurrFrame( PlaYUVerFrame* pcCurrFrame );