1 files changed, 0 insertions, 1 deletions

diff --git a/firmware/export/wm8731l.h b/firmware/export/wm8731l.h
index 5ef6d694e5..74e41a73d7 100644
--- a/firmware/export/wm8731l.h
+++ b/firmware/export/wm8731l.h
@@ -34,7 +34,6 @@ extern int audiohw_set_master_vol(int vol_l, int vol_r);
 extern int audiohw_set_mixer_vol(int channel1, int channel2);
 extern void audiohw_set_bass(int value);
 extern void audiohw_set_treble(int value);
-extern int audiohw_mute(int mute);
 extern void audiohw_close(void);
 extern void audiohw_set_nsorder(int order);
 extern void audiohw_set_sample_rate(int sampling_control);