diff --git a/libvo/vo_svga.c b/libvo/vo_svga.c
index 182880a2a9..9837c6e027 100644
--- a/libvo/vo_svga.c
+++ b/libvo/vo_svga.c
@@ -54,7 +54,6 @@ TODO:
 #define UNUSED(x) ((void)(x)) 
 
 
-static int query_format(uint32_t format);
 static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
                        unsigned char *srca, int stride);
 static uint32_t get_image(mp_image_t *mpi);