diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index ee983cae1e..37f3e5e378 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -2030,8 +2030,6 @@ static enum sip_result __sip_reliable_xmit(struct sip_pvt *p, int seqno, int res
 		siptimer_a = pkt->timer_t1 * 2;
 
 	/* Schedule retransmission */
-	if (pkt->retransid > -1)
-		ast_sched_del(sched, pkt->retransid);
 	pkt->retransid = ast_sched_add_variable(sched, siptimer_a, retrans_pkt, pkt, 1);
 	if (option_debug > 3 && sipdebug)
 		ast_log(LOG_DEBUG, "*** SIP TIMER: Initializing retransmit timer on packet: Id  #%d\n", pkt->retransid);