diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index bd0a0972500..baaca10ea3f 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -423,6 +423,7 @@ OLD_FILES+=usr/libexec/bsdinstall/netconfig
 OLD_FILES+=usr/libexec/bsdinstall/netconfig_ipv4
 OLD_FILES+=usr/libexec/bsdinstall/netconfig_ipv6
 OLD_FILES+=usr/libexec/bsdinstall/partedit
+OLD_FILES+=usr/libexec/bsdinstall/pkgbase
 OLD_FILES+=usr/libexec/bsdinstall/rootpass
 OLD_FILES+=usr/libexec/bsdinstall/runconsoles
 OLD_FILES+=usr/libexec/bsdinstall/script