diff --git a/src/video/dummy/SDL_nullvideo.c b/src/video/dummy/SDL_nullvideo.c
index 537b05623..7ae001213 100644
--- a/src/video/dummy/SDL_nullvideo.c
+++ b/src/video/dummy/SDL_nullvideo.c
@@ -68,7 +68,6 @@ static void DUMMY_VideoQuit(_THIS);
 /* Hardware surface functions */
 static int DUMMY_AllocHWSurface(_THIS, SDL_Surface *surface);
 static int DUMMY_LockHWSurface(_THIS, SDL_Surface *surface);
-static int DUMMY_FlipHWSurface(_THIS, SDL_Surface *surface);
 static void DUMMY_UnlockHWSurface(_THIS, SDL_Surface *surface);
 static void DUMMY_FreeHWSurface(_THIS, SDL_Surface *surface);
 
@@ -224,11 +223,6 @@ static void DUMMY_UnlockHWSurface(_THIS, SDL_Surface *surface)
 	return;
 }
 
-static int DUMMY_FlipHWSurface(_THIS, SDL_Surface *surface)
-{
-	return(0);
-}
-
 static void DUMMY_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
 {
 	/* do nothing. */