diff --git a/tests/scripts/actionutils.sh b/tests/scripts/actionutils.sh
index e03741d7..17477155 100755
--- a/tests/scripts/actionutils.sh
+++ b/tests/scripts/actionutils.sh
@@ -40,28 +40,16 @@ function add_encrypted_osds() {
     # Add OSDs backed by loop devices on /mnt (ephemeral "large" disk attached to GitHub action runners)
     i=0
     for l in a b c; do
-      data_file="$(sudo mktemp -p /mnt data.XXXX.img)"
-      sudo truncate -s 1G "${data_file}"
-      data_dev="$(sudo losetup --show -f "${data_file}")"
-
-      wal_file="$(sudo mktemp -p /mnt wal.XXXX.img)"
-      sudo truncate -s 1G "${wal_file}"
-      wal_dev="$(sudo losetup --show -f "${wal_file}")"
-
-      db_file="$(sudo mktemp -p /mnt db.XXXX.img)"
-      sudo truncate -s 1G "${db_file}"
-      db_dev="$(sudo losetup --show -f "${db_file}")"
+      loop_file="$(sudo mktemp -p /mnt XXXX.img)"
+      sudo truncate -s 1G "${loop_file}"
+      loop_dev="$(sudo losetup --show -f "${loop_file}")"
 
       # XXX: the block-devices plug doesn't allow accessing /dev/loopX
       # devices so we make those same devices available under alternate
       # names (/dev/sdiY) that are not used inside GitHub Action runners
-      data_minor="${data_dev##/dev/loop}"
-      wal_minor="${wal_dev##/dev/loop}"
-      db_minor="${db_dev##/dev/loop}"
-      sudo mknod -m 0660 "/dev/sdi${l}"  b 7 "${data_minor}"
-      sudo mknod -m 0660 "/dev/sdi${l}x" b 7 "${wal_minor}"
-      sudo mknod -m 0660 "/dev/sdi${l}y" b 7 "${db_minor}"
-      sudo microceph disk add "/dev/sdi${l}" --wipe --encrypt --wal-device "/dev/sdi${l}x" --wal-wipe --wal-encrypt --db-device "/dev/sdi${l}y" --db-wipe --db-encrypt
+      minor="${loop_dev##/dev/loop}"
+      sudo mknod -m 0660 "/dev/sdi${l}" b 7 "${minor}"
+      sudo microceph disk add --wipe "/dev/sdi${l}" --encrypt
     done
 
     # Wait for OSDs to become up