diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 69be9dfca4..4a365de74e 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -692,7 +692,6 @@ void MPV_common_init_mlib(MpegEncContext *s);
 void MPV_common_init_mmi(MpegEncContext *s);
 void MPV_common_init_armv4l(MpegEncContext *s);
 void MPV_common_init_altivec(MpegEncContext *s);
-extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
 void ff_clean_intra_table_entries(MpegEncContext *s);
 void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
 void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,