diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c
index 5b30bc8d35..c7526a7421 100644
--- a/demux/demux_mkv.c
+++ b/demux/demux_mkv.c
@@ -190,7 +190,7 @@ typedef struct mkv_demuxer {
     int num_headers;
 
     uint64_t skip_to_timecode;
-    int v_skip_to_keyframe, a_skip_to_keyframe, a_no_timecode_check;
+    int v_skip_to_keyframe, a_skip_to_keyframe;
     int subtitle_preroll;
 } mkv_demuxer_t;
 
@@ -2351,8 +2351,6 @@ static int handle_block(demuxer_t *demuxer, struct block_info *block_info)
     current_pts = tc / 1e9;
 
     if (track->type == MATROSKA_TRACK_AUDIO) {
-        if (mkv_d->a_no_timecode_check)
-            use_this_block = !mkv_d->v_skip_to_keyframe;
         if (mkv_d->a_skip_to_keyframe)
             use_this_block &= keyframe;
     } else if (track->type == MATROSKA_TRACK_SUBTITLE) {
@@ -2739,9 +2737,6 @@ static void demux_mkv_seek(demuxer_t *demuxer, float rel_seek_secs, int flags)
         mkv_d->v_skip_to_keyframe = st_active[STREAM_VIDEO];
         mkv_d->a_skip_to_keyframe = st_active[STREAM_AUDIO];
 
-        // This is probably not needed, but can't be sure.
-        mkv_d->a_no_timecode_check = st_active[STREAM_VIDEO];
-
         if (flags & SEEK_FORWARD) {
             mkv_d->skip_to_timecode = target_timecode;
         } else {