diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index 6fdc3e3d16d..d82183a7cbe 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -661,6 +661,7 @@ OLD_FILES+=usr/share/man/man1/cpio.1.gz
 OLD_FILES+=usr/libexec/bsdinstall/adduser
 OLD_FILES+=usr/libexec/bsdinstall/auto
 OLD_FILES+=usr/libexec/bsdinstall/autopart
+OLD_FILES+=usr/libexec/bsdinstall/bootconfig
 OLD_FILES+=usr/libexec/bsdinstall/checksum
 OLD_FILES+=usr/libexec/bsdinstall/config
 OLD_FILES+=usr/libexec/bsdinstall/distextract