diff --git a/sflphone-common/src/audio/audiortp/AudioZrtpSession.h b/sflphone-common/src/audio/audiortp/AudioZrtpSession.h
index 60039d77cdec6be42d4072997b6b7b33102872d3..71a2ac5e9326c316d28c41c87da1efec267c738c 100644
--- a/sflphone-common/src/audio/audiortp/AudioZrtpSession.h
+++ b/sflphone-common/src/audio/audiortp/AudioZrtpSession.h
@@ -30,8 +30,6 @@
 #ifndef __SFL_AUDIO_ZRTP_SESSION_H__
 #define __SFL_AUDIO_ZRTP_SESSION_H__
 
-using namespace std;
-
 #include <ccrtp/rtp.h>
 
 #include <libzrtpcpp/zrtpccrtp.h>