--- libev/ev.c	2007/11/04 15:58:49	1.56
+++ libev/ev.c	2007/11/04 16:43:53	1.57
@@ -709,7 +709,9 @@
 void
 ev_default_destroy (void)
 {
+#if EV_MULTIPLICITY
   struct ev_loop *loop = default_loop;
+#endif
 
   ev_ref (EV_A); /* child watcher */
   ev_signal_stop (EV_A_ &childev);