diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index b446e519f0..80e71303fa 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -2054,8 +2054,6 @@ error:
     return -1;
 }
 
-static void vp3_decode_flush(AVCodecContext *avctx);
-
 static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
 {
     Vp3DecodeContext *s = avctx->priv_data;