diff --git a/render.py b/render.py
index a77883f..3d1e390 100644
--- a/render.py
+++ b/render.py
@@ -573,20 +573,6 @@ def render_all(options):
                 if needs_update(timeline, out):
                     subprocess.call(cmd)
                     shutil.move(tmp_out, out)
-                if ext == '.wav' and timeline.endswith('audio.kdenlive'):
-                    cmd = [
-                        'ffmpeg', '-y',
-                        '-nostats', '-loglevel', 'error',
-                        '-i',
-                        timeline.replace('.kdenlive', ext),
-                        timeline.replace('.kdenlive', '.mp4')
-                    ]
-                    wav = timeline.replace('.kdenlive', ext)
-                    mp4 = timeline.replace('.kdenlive', '.mp4')
-                    if needs_update(wav, mp4):
-                        subprocess.call(cmd)
-                    if not options.get("keep_parts"):
-                        os.unlink(wav)
 
             cmds = []
             fragment_prefix = Path(fragment_prefix)