diff --git a/src/ffmpeg.rs b/src/ffmpeg.rs
index bb2dcad..8790725 100644
--- a/src/ffmpeg.rs
+++ b/src/ffmpeg.rs
@@ -141,7 +141,6 @@ pub fn encode(
         "copy"
     });
 
-    let set_ba_128k = audio_codec == "libopus" && !oargs.contains("-b:a");
     let downmix_to_stereo = downmix_to_stereo && !oargs.contains("-ac");
     let map = match video_only {
         true => "0:v:0",
@@ -165,7 +164,6 @@ pub fn encode(
         .arg2("-c:a", audio_codec)
         .arg_if(matroska, "-dn") // "Only audio, video, and subtitles are supported for Matroska"
         .arg2_if(downmix_to_stereo, "-ac", 2)
-        .arg2_if(set_ba_128k, "-b:a", "128k")
         .arg2_if(add_faststart, "-movflags", "+faststart")
         .arg2_if(add_cues_to_front, "-cues_to_front", "y")
         .arg(output)