diff --git a/libavformat/mux.c b/libavformat/mux.c
index a85c3c79db09d1f9fc10093bc9f0ac7dea2aaecd..dfda89d983b8c116f4cbc96c487249ad1504d4a7 100644
--- a/libavformat/mux.c
+++ b/libavformat/mux.c
@@ -99,13 +99,6 @@ static int init_muxer(AVFormatContext *s, AVDictionary **options)
     if ((ret = av_opt_set_dict(s, &tmp)) < 0)
         goto fail;
 
-#if FF_API_LAVF_BITEXACT && FF_API_LAVF_AVCTX
-FF_DISABLE_DEPRECATION_WARNINGS
-    if (s->nb_streams && s->streams[0]->codec->flags & AV_CODEC_FLAG_BITEXACT)
-        s->flags |= AVFMT_FLAG_BITEXACT;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
     // some sanity checks
     if (s->nb_streams == 0 && !(of->flags & AVFMT_NOSTREAMS)) {
         av_log(s, AV_LOG_ERROR, "no streams\n");
diff --git a/libavformat/version.h b/libavformat/version.h
index 7103b5d969ac34c45864ee7b156aae8a350389d9..26f5c759910d653ed17e2e72f87685b451070546 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -48,9 +48,6 @@
  * dropped at a future version bump. The defines themselves are not part of
  * the public API and may change, break or disappear at any time.
  */
-#ifndef FF_API_LAVF_BITEXACT
-#define FF_API_LAVF_BITEXACT            (LIBAVFORMAT_VERSION_MAJOR < 58)
-#endif
 #ifndef FF_API_LAVF_FRAC
 #define FF_API_LAVF_FRAC                (LIBAVFORMAT_VERSION_MAJOR < 58)
 #endif