diff --git a/src/utils/sdp.c b/src/utils/sdp.c
index 922e56123..18c56e903 100644
--- a/src/utils/sdp.c
+++ b/src/utils/sdp.c
@@ -196,3 +196,9 @@ char *set_stream_rtpmap(struct sdp *sdp, int index){
 
     return sdp->stream[index]->rtpmap;
 }
+
+void clean_sdp(struct sdp *sdp){
+    //TODO to free all memory
+
+
+}
diff --git a/src/utils/sdp.h b/src/utils/sdp.h
index e84643e61..25fa8b588 100644
--- a/src/utils/sdp.h
+++ b/src/utils/sdp.h
@@ -107,6 +107,7 @@ void get_stream(struct sdp *sdp, int index);
 bool new_stream(struct sdp *sdp);
 char *set_stream_media_info(struct sdp *sdp, int index);
 char *set_stream_rtpmap(struct sdp *sdp, int index);
+void clean_sdp(struct sdp *sdp);
 
 #ifdef __cplusplus
 }