diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
--- a/sbin/ifconfig/ifconfig.c
+++ b/sbin/ifconfig/ifconfig.c
@@ -2094,11 +2094,6 @@
 	DEF_CMD("-alias",	-IFF_UP,	notealias),
 	DEF_CMD("delete",	-IFF_UP,	notealias),
 	DEF_CMD("remove",	-IFF_UP,	notealias),
-#ifdef notdef
-#define	EN_SWABIPS	0x1000
-	DEF_CMD("swabips",	EN_SWABIPS,	setifflags),
-	DEF_CMD("-swabips",	EN_SWABIPS,	clearifflags),
-#endif
 	DEF_CMD_ARG("netmask",			setifnetmask),
 	DEF_CMD_ARG("metric",			setifmetric),
 	DEF_CMD_ARG("broadcast",		setifbroadaddr),