diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 4e53bc8889..697e7d540b 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -1173,7 +1173,6 @@ static int find_sip_method(const char *msg);
 static unsigned int parse_sip_options(struct sip_pvt *pvt, const char *supported);
 static void parse_request(struct sip_request *req);
 static const char *get_header(const struct sip_request *req, const char *name);
-static void copy_request(struct sip_request *dst,struct sip_request *src);
 static char *referstatus2str(enum referstatus rstatus);
 static int method_match(enum sipmethod id, const char *name);
 static void parse_copy(struct sip_request *dst, struct sip_request *src);