diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index eb808720cce1..db844b77f661 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -5362,6 +5362,32 @@ MAN_FILES!=find ${DESTDIR}/usr/share/man ${DESTDIR}/usr/share/openssl/man -type
 OLD_FILES+=${MAN_FILES}
 .endif
 
+.if ${MK_MAN_UTILS} == no
+OLD_FILES+=etc/periodic/weekly/320.whatis
+OLD_FILES+=etc/periodic/weekly/330.catman
+OLD_FILES+=usr/bin/apropos
+OLD_FILES+=usr/bin/catman
+OLD_FILES+=usr/bin/makewhatis
+OLD_FILES+=usr/bin/man
+OLD_FILES+=usr/bin/manpath
+OLD_FILES+=usr/bin/whatis
+OLD_FILES+=usr/libexec/catman.local
+OLD_FILES+=usr/libexec/makewhatis.local
+OLD_FILES+=usr/sbin/manctl
+OLD_FILES+=usr/share/man/man1/apropos.1.gz
+OLD_FILES+=usr/share/man/man1/catman.1.gz
+OLD_FILES+=usr/share/man/man1/makewhatis.1.gz
+OLD_FILES+=usr/share/man/man1/man.1.gz
+OLD_FILES+=usr/share/man/man1/manpath.1.gz
+OLD_FILES+=usr/share/man/man1/whatis.1.gz
+OLD_FILES+=usr/share/man/man5/man.conf.5.gz
+OLD_FILES+=usr/share/man/man8/catman.local.8.gz
+OLD_FILES+=usr/share/man/man8/makewhatis.local.8.gz
+OLD_FILES+=usr/share/man/man8/manctl.8.gz
+OLD_FILES+=usr/share/man/whatis
+OLD_FILES+=usr/share/openssl/man/whatis
+.endif
+
 .if ${MK_NDIS} == no
 OLD_FILES+=usr/sbin/ndiscvt
 OLD_FILES+=usr/sbin/ndisgen