Index: main/pbx.c
===================================================================
--- main/pbx.c	(revision 404525)
+++ main/pbx.c	(working copy)
@@ -3794,6 +3794,7 @@
 	AST_RWLIST_TRAVERSE_SAFE_BEGIN(&escalation_root, cur_escalation, list) {
 		if (cur_escalation->acf == acf) {
 			AST_RWLIST_REMOVE_CURRENT(list);
+			ast_free(cur_escalation);
 			break;
 		}
 	}