diff -ur openvpn-2.1_rc6.orig/tun.c openvpn-2.1_rc6/tun.c
--- openvpn-2.1_rc6.orig/tun.c	2008-01-23 21:08:41.000000000 +0000
+++ openvpn-2.1_rc6/tun.c	2008-02-05 23:17:46.000000000 +0000
@@ -1220,19 +1220,6 @@
 {
   if (tt)
     {
-#ifdef CONFIG_FEATURE_IPROUTE
-	char command_line[256];
-	/*
-	 * Flush IP configuration for the device
-	 */
-	openvpn_snprintf (command_line, sizeof (command_line),
-			  "%s addr flush dev %s",
-			  iproute_path,
-			  tt->actual_name
-			  );
-	msg (M_INFO, "%s", command_line);
-	system_check (command_line, NULL, S_FATAL, "Linux ip flush failed");
-#endif
       close_tun_generic (tt);
       free (tt);
     }