diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index 1c82d0c2bb5a..fbb9c5583b10 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -75,6 +75,8 @@ OLD_FILES+=etc/periodic/security/650.ip6fwlimit
 OLD_FILES+=sbin/ip6fw
 OLD_FILES+=usr/include/netinet6/ip6_fw.h
 OLD_FILES+=usr/share/man/man8/ip6fw.8.gz
+# 20060424: sab(4) removed
+OLD_FILES+=usr/share/man/man4/sab.4.gz
 # 20060328: remove redundant rc.d script
 OLD_FILES+=etc/rc.d/ike
 # 20060127: revert libdisk to static-only