diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c b/bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c
index 0703b5c902..e9b4496894 100644
--- a/bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c
+++ b/bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c
@@ -388,8 +388,6 @@ static rt_err_t sound_stop(struct rt_audio_device *audio, int stream)
 
     if (stream == AUDIO_STREAM_REPLAY)
     {
-        // DACDIGCON0 = 0;
-        // AUBUFCON &= ~BIT(4);
         LOG_D("close sound device");
     }