diff --git a/nodes/htz-hel/backup-kunsi.py b/nodes/htz-hel/backup-kunsi.py
deleted file mode 100644
index 50996fb..0000000
--- a/nodes/htz-hel/backup-kunsi.py
+++ /dev/null
@@ -1,40 +0,0 @@
-nodes['htz-hel.backup-kunsi'] = {
-    'hostname': '2a01:4f9:6b:2d99::1337',
-    'bundles': {
-        'backup-server',
-        'dm-crypt',
-        'zfs',
-    },
-    'groups': {
-        'debian-bullseye',
-    },
-    'metadata': {
-        'apt': {
-            'unattended-upgrades': {
-                # requires manual apply after reboot to unlock dm-crypt
-                # devices
-                'reboot_enabled': False,
-            },
-        },
-        'interfaces': {
-            'ens18': {
-                'ips': {
-                    '2a01:4f9:6b:2d99::1337/64',
-                },
-                'gateway6': '2a01:4f9:6b:2d99::2',
-            },
-        },
-        'backups': {
-            # This is the backup target.
-            'exclude_from_backups': True,
-        },
-        'backup-server': {
-            'encrypted-devices': {
-                '/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive-scsi1-part1': bwpass.password('bw/backup-kunsi/encryption-passphrase'),
-            },
-        },
-        'zfs': {
-            'scrub_when': 'Wed 08:00 Europe/Berlin',
-        },
-    },
-}