diff --git a/libmpdemux/realrtsp/rtsp_session.c b/libmpdemux/realrtsp/rtsp_session.c
index 185ef6c517..72ac13c455 100644
--- a/libmpdemux/realrtsp/rtsp_session.c
+++ b/libmpdemux/realrtsp/rtsp_session.c
@@ -191,22 +191,6 @@ int rtsp_session_read (rtsp_session_t *this, char *data, int len) {
   return 0;
 }
 
-int rtsp_session_peek_header(rtsp_session_t *this, char *buf, int maxsize) {
-
-  int len;
-
-  if (this->real_session)
-  {
-  len = (this->real_session->header_len < maxsize)
-    ? this->real_session->header_len : maxsize;
-
-  memcpy(buf, this->real_session->header, len);
-  return len;
-  }
-
-  return 0;
-}
-
 void rtsp_session_end(rtsp_session_t *session) {
 
   rtsp_close(session->s);
diff --git a/libmpdemux/realrtsp/rtsp_session.h b/libmpdemux/realrtsp/rtsp_session.h
index 4b00511267..8f6f3d3f4c 100644
--- a/libmpdemux/realrtsp/rtsp_session.h
+++ b/libmpdemux/realrtsp/rtsp_session.h
@@ -34,8 +34,6 @@ rtsp_session_t *rtsp_session_start(int fd, char **mrl, char *path, char *host, i
 
 int rtsp_session_read(rtsp_session_t *session, char *data, int len);
 
-int rtsp_session_peek_header(rtsp_session_t *this, char *buf, int maxsize);
-
 void rtsp_session_end(rtsp_session_t *session);
 
 #endif