diff --git a/radio/src/buzzer.h b/radio/src/buzzer.h
index ac0ae1453..088584f29 100644
--- a/radio/src/buzzer.h
+++ b/radio/src/buzzer.h
@@ -99,6 +99,7 @@ void beep(uint8_t val);
 
   #define IS_AUDIO_BUSY() (g_beepCnt || beepAgain || beepOn)
   #define AUDIO_RESET()
+  #define AUDIO_FLUSH()
 
   #define PLAY_PHASE_OFF(phase)
   #define PLAY_PHASE_ON(phase)