diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc
index 6234b32ef932..d709870eff4c 100644
--- a/tools/build/mk/OptionalObsoleteFiles.inc
+++ b/tools/build/mk/OptionalObsoleteFiles.inc
@@ -9332,6 +9332,63 @@ OLD_FILES+=usr/share/man/man8/zfsbootcfg.8.gz
 OLD_FILES+=usr/share/man/man8/zfsd.8.gz
 OLD_FILES+=usr/share/man/man8/zfsloader.8.gz
 OLD_FILES+=usr/share/man/man8/zpool.8.gz
+OLD_FILES+=usr/share/zfs/compatibility.d/2018
+OLD_FILES+=usr/share/zfs/compatibility.d/2019
+OLD_FILES+=usr/share/zfs/compatibility.d/2020
+OLD_FILES+=usr/share/zfs/compatibility.d/2021
+OLD_FILES+=usr/share/zfs/compatibility.d/compat-2018
+OLD_FILES+=usr/share/zfs/compatibility.d/compat-2019
+OLD_FILES+=usr/share/zfs/compatibility.d/compat-2020
+OLD_FILES+=usr/share/zfs/compatibility.d/compat-2021
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-11.0
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-11.1
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-11.2
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-11.3
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-11.4
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-12.0
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-12.1
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-12.2
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-12.3
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-12.4
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-13.0
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-13.1
+OLD_FILES+=usr/share/zfs/compatibility.d/freebsd-13.2
+OLD_FILES+=usr/share/zfs/compatibility.d/freenas-11.0
+OLD_FILES+=usr/share/zfs/compatibility.d/freenas-11.1
+OLD_FILES+=usr/share/zfs/compatibility.d/freenas-11.2
+OLD_FILES+=usr/share/zfs/compatibility.d/freenas-11.3
+OLD_FILES+=usr/share/zfs/compatibility.d/freenas-9.10.2
+OLD_FILES+=usr/share/zfs/compatibility.d/grub2
+OLD_FILES+=usr/share/zfs/compatibility.d/grub2-2.06
+OLD_FILES+=usr/share/zfs/compatibility.d/grub2-2.12
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.0-freebsd
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.0-linux
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.1-freebsd
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.1-linux
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.2
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.2-freebsd
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.2-linux
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.3
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.3-freebsd
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.3-linux
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.4
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.4-freebsd
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfs-2.4-linux
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfsonosx-1.7.0
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfsonosx-1.8.1
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfsonosx-1.9.3
+OLD_FILES+=usr/share/zfs/compatibility.d/openzfsonosx-1.9.4
+OLD_FILES+=usr/share/zfs/compatibility.d/truenas-12.0
+OLD_FILES+=usr/share/zfs/compatibility.d/ubuntu-18.04
+OLD_FILES+=usr/share/zfs/compatibility.d/ubuntu-20.04
+OLD_FILES+=usr/share/zfs/compatibility.d/ubuntu-22.04
+OLD_FILES+=usr/share/zfs/compatibility.d/zol-0.6.1
+OLD_FILES+=usr/share/zfs/compatibility.d/zol-0.6.4
+OLD_FILES+=usr/share/zfs/compatibility.d/zol-0.6.5
+OLD_FILES+=usr/share/zfs/compatibility.d/zol-0.7
+OLD_FILES+=usr/share/zfs/compatibility.d/zol-0.8
+OLD_DIRS+=usr/share/zfs/compatibility.d
+OLD_DIRS+=usr/share/zfs
 .endif
 
 .if ${MK_ZONEINFO} == no