diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 7546f0b2e7714cb8fe01c1ca629570810aad7f30..93a71468d5eafcfd1e5d173f5a4aa5c9fe39ec60 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -7815,7 +7815,6 @@ static int transmit_state_notify(struct sip_pvt *p, int state, int full, int tim
 
 	memset(from, 0, sizeof(from));
 	memset(to, 0, sizeof(to));
-	memset(tmp, 0, sizeof(tmp));
 
 	switch (state) {
 	case (AST_EXTENSION_RINGING | AST_EXTENSION_INUSE):