diff --git a/demux/demux.c b/demux/demux.c
index e9565166ab..7d3a37663d 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -2189,14 +2189,6 @@ static void update_final_metadata(demuxer_t *demuxer)
     assert(demuxer == demuxer->in->d_user);
     struct demux_internal *in = demuxer->in;
 
-    int num_streams = MPMIN(in->num_streams, demuxer->num_update_stream_tags);
-    for (int n = 0; n < num_streams; n++) {
-        struct sh_stream *sh = in->streams[n];
-        // (replace them even if unnecessary, simpler and doesn't hurt)
-        if (sh->ds->tags_reader)
-            mp_tags_replace(sh->tags, sh->ds->tags_reader->sh);
-    }
-
     struct mp_packet_tags *tags =
         in->master_stream ? in->master_stream->tags_reader : NULL;
 
diff --git a/demux/demux.h b/demux/demux.h
index 4fcf8cfbae..1cc740589a 100644
--- a/demux/demux.h
+++ b/demux/demux.h
@@ -232,8 +232,6 @@ typedef struct demuxer {
 
     // internal to demux.c
     struct demux_internal *in;
-    struct mp_tags **update_stream_tags;
-    int num_update_stream_tags;
 
     // Triggered when ending demuxing forcefully. Usually bound to the stream too.
     struct mp_cancel *cancel;