diff --git a/trunk/src/app/srs_app_rtc_codec.cpp b/trunk/src/app/srs_app_rtc_codec.cpp
index 93c39ff81..85e8efa44 100644
--- a/trunk/src/app/srs_app_rtc_codec.cpp
+++ b/trunk/src/app/srs_app_rtc_codec.cpp
@@ -348,7 +348,6 @@ SrsAudioRecode::SrsAudioRecode(int channels, int samplerate)
     dec_ = NULL;
     enc_ = NULL;
     resample_ = NULL;
-    data_ = NULL;
 }
 
 SrsAudioRecode::~SrsAudioRecode()