diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index fb2d9a81e7..a9bb9d964d 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -3572,11 +3572,6 @@ static int init_output_stream(OutputStream *ost, AVFrame *frame,
         }
         if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
             av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
-        if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
-            !codec->defaults &&
-            !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
-            !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
-            av_dict_set(&ost->encoder_opts, "b", "128000", 0);
 
         ret = hw_device_setup_for_encode(ost);
         if (ret < 0) {