Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 192278)
+++ channels/chan_sip.c	(working copy)
@@ -11409,9 +11409,11 @@
 	if (!peer)		/* Hmmm. We have no peer. Weird. */
 		return 0;
 
-	peer->expire = -1;
 	memset(&peer->addr, 0, sizeof(peer->addr));
 
+	AST_SCHED_DEL(sched, peer->expire);
+	peer->expire = -1;
+
 	destroy_association(peer);	/* remove registration data from storage */
 	
 	manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "ChannelType: SIP\r\nPeer: SIP/%s\r\nPeerStatus: Unregistered\r\nCause: Expired\r\n", peer->name);