diff --git a/audio/AudioStreamNonTunnelOut.cpp b/audio/AudioStreamNonTunnelOut.cpp
index 7a71eb5..00e6d56 100755
--- a/audio/AudioStreamNonTunnelOut.cpp
+++ b/audio/AudioStreamNonTunnelOut.cpp
@@ -335,7 +335,7 @@ ssize_t AudioStreamNonTunnelOut::write(const void *buffer, size_t bytes)
         }
 
         if (audio_is_linear_pcm(mConfig.format)) {
-
+#if 0
             //Vas add start for muting APP audio in AMP_SND module; River 2021/01/12
             static bool bMuteStatus=false;
             static UINT orgVol;
@@ -356,7 +356,7 @@ ssize_t AudioStreamNonTunnelOut::write(const void *buffer, size_t bytes)
                 }
             }
             //Vas add end for muting APP audio in AMP_SND module;River 2021/01/12
-
+#endif
             rc = AMP_SND_PushPCM_NonBlock(mStreamHandle[AUDIO_STREAM_IDX_PCM], buf, bytes);
             CHECK_RESULT(rc);
             if (rc != S_OK) {