diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 4d9fb461a4d6..20b90401495c 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -279,26 +279,6 @@ notation, like
 See the
 .Cm prefixlen
 parameter below for more information.
-.\" For the Xerox Network Systems(tm) family,
-.\" addresses are
-.\" .Ar net:a.b.c.d.e.f ,
-.\" where
-.\" .Ar net
-.\" is the assigned network number (in decimal),
-.\" and each of the six bytes of the host number,
-.\" .Ar a
-.\" through
-.\" .Ar f ,
-.\" are specified in hexadecimal.
-.\" The host number may be omitted on IEEE 802 protocol
-.\" (Ethernet, FDDI, and Token Ring) interfaces,
-.\" which use the hardware physical address,
-.\" and on interfaces other than the first.
-.\" For the ISO family, addresses are specified as a long hexadecimal string,
-.\" as in the Xerox family.
-.\" However, two consecutive dots imply a zero
-.\" byte, and the dots are optional, if the user wishes to (carefully)
-.\" count out long strings of digits in network byte order.
 .Pp
 The link-level
 .Pq Cm link