diff --git a/release/Makefile b/release/Makefile
--- a/release/Makefile
+++ b/release/Makefile
@@ -118,13 +118,7 @@
 base.txz:
 	mkdir -p ${DISTDIR}
 	cd ${WORLDDIR} && ${IMAKE} distributeworld DISTDIR=${.OBJDIR}/${DISTDIR}
-# TODO: Add NO_ROOT mode to mm-tree.sh
-.if !defined(NO_ROOT)
-# Set up mergemaster root database
-	sh ${.CURDIR}/scripts/mm-mtree.sh -m ${WORLDDIR} -F \
-	    "TARGET_ARCH=${TARGET_ARCH} TARGET=${TARGET} ${.MAKE.JOBS:D-j${.MAKE.JOBS}}" \
-	    -D "${.OBJDIR}/${DISTDIR}/base"
-.endif
+	# Bootstrap etcupdate(8) database.
 	sh ${WORLDDIR}/usr.sbin/etcupdate/etcupdate.sh extract -B \
 	    -m "${MAKE}" -M "TARGET_ARCH=${TARGET_ARCH} TARGET=${TARGET}" \
 	    -s ${WORLDDIR} -d "${.OBJDIR}/${DISTDIR}/base/var/db/etcupdate" \
diff --git a/release/tools/vmimage.subr b/release/tools/vmimage.subr
--- a/release/tools/vmimage.subr
+++ b/release/tools/vmimage.subr
@@ -56,14 +56,11 @@
 		installworld installkernel distribution || \
 		err "\n\nCannot install the base system to ${DESTDIR}."
 
-	# Bootstrap etcupdate(8) and mergemaster(8) databases.
+	# Bootstrap etcupdate(8) database.
 	mkdir -p ${DESTDIR}/var/db/etcupdate
 	etcupdate extract -B \
 		-M "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
 		-s ${WORLDDIR} -d ${DESTDIR}/var/db/etcupdate
-	sh ${WORLDDIR}/release/scripts/mm-mtree.sh -m ${WORLDDIR} \
-		-F "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
-		-D ${DESTDIR}
 
 	echo '# Custom /etc/fstab for FreeBSD VM images' \
 		> ${DESTDIR}/etc/fstab