diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index d5e91bb6d5..e62d5347ca 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1414,7 +1414,6 @@ const AVCodecTag additional_audio_tags[] = {
 };
 
 const AVCodecTag additional_video_tags[] = {
-    { AV_CODEC_ID_PRORES,    0xFFFFFFFF },
     { AV_CODEC_ID_RV10,      0xFFFFFFFF },
     { AV_CODEC_ID_RV20,      0xFFFFFFFF },
     { AV_CODEC_ID_RV30,      0xFFFFFFFF },