diff --git a/util/ffmpeg.py b/util/ffmpeg.py
index 7e665cb..8684cd3 100644
--- a/util/ffmpeg.py
+++ b/util/ffmpeg.py
@@ -12,31 +12,6 @@ from telemetry import get_tracer
 
 logger = logging.getLogger(__name__)
 
-def to_annexb(file):
-    with get_tracer("ffmpeg").start_as_current_span("to_annexb") as span:
-        span.set_attribute("file.path", file)
-        if not os.path.exists(file):
-            span.set_status(Status(StatusCode.ERROR))
-            return file
-        logger.info("ToAnnexb: %s", file)
-        ffmpeg_process = subprocess.run(["ffmpeg", "-y", "-hide_banner", "-i", file,
-                                         *MUTE_AUDIO_INPUT,
-                                         "-map", "0:v", "-map", "1:a",
-                                         "-c:v", "copy", "-bsf:v", "h264_mp4toannexb", "-shortest",
-                                         "-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",
-                                         "-f", "mpegts", file+".ts"])
-        span.set_attribute("ffmpeg.args", json.dumps(ffmpeg_process.args))
-        logger.info("ToAnnexb: %s, returned: %s", file, ffmpeg_process.returncode)
-        span.set_attribute("ffmpeg.code", ffmpeg_process.returncode)
-        if ffmpeg_process.returncode == 0:
-            span.set_status(Status(StatusCode.OK))
-            span.set_attribute("file.size", os.path.getsize(file+".ts"))
-            os.remove(file)
-            return file+".ts"
-        else:
-            span.set_status(Status(StatusCode.ERROR))
-            return file
-
 def re_encode_and_annexb(file):
     with get_tracer("ffmpeg").start_as_current_span("re_encode_and_annexb") as span:
         span.set_attribute("file.path", file)