diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index a2a1d3428e..7ccd24bffa 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -60,7 +60,6 @@ enum CodecType {
 };
 
 enum PixelFormat {
-    PIX_FMT_ANY = -1,
     PIX_FMT_YUV420P,
     PIX_FMT_YUV422,
     PIX_FMT_RGB24,
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index d1e88a9703..bdf6fe65d2 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -720,8 +720,6 @@ int img_convert(AVPicture *dst, int dst_pix_fmt,
 {
     int i;
 
-    assert(pix_fmt != PIX_FMT_ANY && dst_pix_fmt != PIX_FMT_ANY);
-
     if (dst_pix_fmt == pix_fmt) {
         switch(pix_fmt) {
         case PIX_FMT_YUV420P: