diff --git a/SUMMARY.md b/SUMMARY.md
index f8742a5..498cc39 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -29,5 +29,4 @@
 - [cyprianspitz](nixos-configurations/cyprianspitz/README.md)
 - [lindberg](nixos-configurations/lindberg/README.md)
 - [stompert](nixos-configurations/stompert/README.md)
-- [tierberg](nixos-configurations/tierberg/README.md)
 
diff --git a/defaults/meta/hosts.json b/defaults/meta/hosts.json
index 8780258..8ae54a3 100644
--- a/defaults/meta/hosts.json
+++ b/defaults/meta/hosts.json
@@ -22,10 +22,6 @@
   "batzberg": {
     "hostName": "batzberg"
   },
-  "tierberg": {
-    "hostName": "tierberg",
-    "sshKey": "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJS2v0mUDJsNr1DHdgjxEQRnoVaEmExFfvHqpvagYLi6"
-  },
   "stompert": {
     "hostName": "stompert",
     "sshKey": "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEKuqMPLbREFIrYcmReaRoHdz1TatpvlrZN14L6cikia"
diff --git a/defaults/meta/network-physical.nix b/defaults/meta/network-physical.nix
index 972476d..f3e7806 100644
--- a/defaults/meta/network-physical.nix
+++ b/defaults/meta/network-physical.nix
@@ -91,9 +91,6 @@
       };
       domain = "lattenbach-lan.net.qo.is";
       hosts = {
-        tierberg = {
-          v4.ip = "10.0.0.60";
-        };
       };
     };
 
diff --git a/defaults/meta/network-virtual.nix b/defaults/meta/network-virtual.nix
index d69be2b..f8ed2e3 100644
--- a/defaults/meta/network-virtual.nix
+++ b/defaults/meta/network-virtual.nix
@@ -41,11 +41,6 @@
             publicKey = "6XGL4QKB8AMpm/VGcTgWqk9RiSws7DmY5TpIDkXbwlg=";
             persistentKeepalive = 25;
           };
-          tierberg = {
-            v4.ip = "10.250.0.4";
-            publicKey = "51j1l+pT9W61wx4y2KyUb1seLdCHs3FUKAjmrHBFz1w=";
-            persistentKeepalive = 25;
-          };
           stompert = {
             v4.ip = "10.250.0.5";
             publicKey = "CHTjQbmN9WhbRCxKgowxpMx4c5Zu0NDk0rRXEvuB3XA=";
diff --git a/nixos-configurations/lindberg-build/backup.nix b/nixos-configurations/lindberg-build/backup.nix
deleted file mode 100644
index 493171d..0000000
--- a/nixos-configurations/lindberg-build/backup.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{ config, pkgs, ... }:
-
-let
-  vnet = config.qois.meta.network.virtual.backplane.hosts;
-  systemTargets = [
-    "tierberg"
-  ];
-  systemJobs = builtins.listToAttrs (
-    map (backupHost: {
-      name = "system-${backupHost}";
-      value = {
-        repo = "borg@${vnet.${backupHost}.v4.ip}:.";
-        environment.BORG_RSH = "ssh -i /secrets/backup/system/ssh-key";
-
-        paths = [
-          "/etc"
-          "/home"
-          "/var"
-          "/secrets"
-        ];
-        exclude = [
-          "/var/tmp"
-          "/var/cache"
-          "/var/lib/atticd"
-          "/var/cache/nginx/nixpkgs-cache"
-        ];
-
-        doInit = false;
-        encryption = {
-          mode = "repokey";
-          passCommand = "cat /secrets/backup/system/password";
-        };
-
-        startAt = "07:06";
-        persistentTimer = true;
-      };
-    }) systemTargets
-  );
-in
-{
-  services.borgbackup.jobs = systemJobs;
-}
diff --git a/nixos-configurations/lindberg-build/default.nix b/nixos-configurations/lindberg-build/default.nix
index f5b4bfd..1cbfd2f 100644
--- a/nixos-configurations/lindberg-build/default.nix
+++ b/nixos-configurations/lindberg-build/default.nix
@@ -6,7 +6,6 @@
     ../../defaults/meta
 
     ./applications
-    ./backup.nix
     ./disko-config.nix
     ./networking.nix
     ./secrets.nix
diff --git a/nixos-configurations/lindberg-nextcloud/secrets.nix b/nixos-configurations/lindberg-nextcloud/secrets.nix
index 8327b13..4171609 100644
--- a/nixos-configurations/lindberg-nextcloud/secrets.nix
+++ b/nixos-configurations/lindberg-nextcloud/secrets.nix
@@ -3,7 +3,6 @@ let
   backupConfiguration = {
     restartUnits = [
       "borgbackup-job-system-cyprianspitz.service"
-      "borgbackup-job-system-tierberg.service"
     ];
   };
 in
diff --git a/nixos-configurations/lindberg/secrets.nix b/nixos-configurations/lindberg/secrets.nix
index 27905c3..0df28fa 100644
--- a/nixos-configurations/lindberg/secrets.nix
+++ b/nixos-configurations/lindberg/secrets.nix
@@ -3,7 +3,6 @@ let
   backupConfiguration = {
     restartUnits = [
       "borgbackup-job-data-cyprianspitz.service"
-      "borgbackup-job-data-tierberg.service"
     ];
   };
 in
diff --git a/nixos-configurations/tierberg/README.md b/nixos-configurations/tierberg/README.md
deleted file mode 100644
index e3a2232..0000000
--- a/nixos-configurations/tierberg/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-Access via `tierberg.coredump-ext.net.qo.is` `:51022` (SSH) and `:51023` (SSH-LUKS)
-
-## Operations
-
-Reboot requires passphrase (see pass `host/tierberg/hdd_luks)
-
-```bash
-ssh -p 51023 root@tierberg.coredump-ext.net.qo.is
-```
diff --git a/nixos-configurations/tierberg/backup.nix b/nixos-configurations/tierberg/backup.nix
deleted file mode 100644
index 0a6dbca..0000000
--- a/nixos-configurations/tierberg/backup.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{ config, pkgs, ... }:
-{
-
-  qois.backup-server = {
-    enable = true;
-    backupStorageRoot = "/mnt/nas-backup-qois";
-  };
-
-  services.borgbackup.repos =
-    let
-      backupRoot = "/mnt/nas-backup-qois";
-      hostBackupRoot = "${backupRoot}/hosts";
-      dataBackupRoot = "${backupRoot}/data";
-    in
-    {
-      "lindberg-nextcloud" = {
-        authorizedKeys = [
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIpzfp9VqclbPJ42ZrkRpvjMSTeyq0qce03zCRXqIHMw backup@lindberg-nextcloud"
-        ];
-        path = "${hostBackupRoot}/lindberg-nextcloud";
-      };
-      "lindberg-data" = {
-        authorizedKeys = [
-          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGTmyoVONC12MgOodvzdPpZzLSVwpkC6zkf+Rg0W36gy backup-data@lindberg"
-        ];
-        path = "${dataBackupRoot}/lindberg-data";
-      };
-      "lindberg-build-system" = {
-        authorizedKeys = [
-          "ssh-ed25519 AAAATODOTODOTODOTODOAAAAIGTmyoVONC12MgOodvzdPpZzLSVwpkC6zkf+Rg0W36gy backup-system@lindberg-build"
-        ];
-        path = "${dataBackupRoot}/lindberg-build-system";
-      };
-    };
-}
diff --git a/nixos-configurations/tierberg/default.nix b/nixos-configurations/tierberg/default.nix
deleted file mode 100644
index 1058b24..0000000
--- a/nixos-configurations/tierberg/default.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  imports = [
-    ./networking.nix
-    ./filesystems.nix
-    ./backup.nix
-
-    ../../defaults/hardware/apu1.nix
-    # wle600: Not used currently
-
-    ../../defaults/base
-    ../../defaults/meta
-  ];
-
-  # Set your time zone.
-  # time.timeZone = "Europe/Amsterdam";
-
-  # This value determines the NixOS release with which your system is to be
-  # compatible, in order to avoid breaking some software such as database
-  # servers. You should change this only after NixOS release notes say you
-  # should.
-  system.stateVersion = "24.11"; # Did you read the comment?
-}
diff --git a/nixos-configurations/tierberg/filesystems.nix b/nixos-configurations/tierberg/filesystems.nix
deleted file mode 100644
index 9e74fa1..0000000
--- a/nixos-configurations/tierberg/filesystems.nix
+++ /dev/null
@@ -1,52 +0,0 @@
-{ config, pkgs, ... }:
-{
-
-  boot.initrd.luks.devices = {
-    "system".device = "/dev/disk/by-uuid/ac7f7ef2-280d-4b9f-8150-a6f11ecec1df";
-    "swap".device = "/dev/disk/by-uuid/6ce21585-6813-46d0-9a98-ebcfa507bdb0";
-  };
-
-  fileSystems = {
-    "/" = {
-      device = "/dev/disk/by-uuid/c775e380-b15f-499b-94f2-8caa27e6e0ff";
-      fsType = "btrfs";
-      options = [
-        "defaults"
-        "subvol=nixos"
-        "noatime"
-      ];
-    };
-
-    "/boot" = {
-      device = "/dev/disk/by-uuid/0b22a6bc-0721-49d6-9e66-1f8d9258f47b";
-      fsType = "ext4";
-    };
-    "/mnt/nas-backup-qois" = {
-      device = "192.168.254.1:/raid0/data/_NAS_NFS_Exports_/backup-qois";
-      fsType = "nfs";
-      options = [
-        "defaults"
-        "noatime"
-        "soft"
-        "vers=3"
-      ];
-    };
-    "/mnt/nas-backup-coredump" = {
-      device = "192.168.254.1:/raid0/data/_NAS_NFS_Exports_/backup-qois";
-      fsType = "nfs";
-      options = [
-        "defaults"
-        "noatime"
-        "soft"
-        "vers=3"
-      ];
-    };
-  };
-
-  swapDevices = [ { device = "/dev/disk/by-uuid/e91f9aba-1e59-4d41-a772-f11d4314dc19"; } ];
-
-  boot.loader.grub = {
-    enable = true;
-    device = "/dev/sda";
-  };
-}
diff --git a/nixos-configurations/tierberg/networking.nix b/nixos-configurations/tierberg/networking.nix
deleted file mode 100644
index e80eb9d..0000000
--- a/nixos-configurations/tierberg/networking.nix
+++ /dev/null
@@ -1,29 +0,0 @@
-{ config, pkgs, ... }:
-
-let
-  meta = config.qois.meta;
-  lattenbach-nas-net = meta.network.physical.lattenbach-nas;
-in
-{
-  networking.hostName = meta.hosts.tierberg.hostName;
-
-  networking.enableIPv6 = false; # TODO
-
-  networking.useDHCP = false;
-  networking.interfaces.enp1s0.useDHCP = true;
-  networking.interfaces.enp2s0.ipv4.addresses = [
-    {
-      inherit (lattenbach-nas-net.v4) prefixLength;
-      address = lattenbach-nas-net.hosts.tierberg.v4.ip;
-    }
-  ];
-  networking.interfaces.enp3s0.useDHCP = true;
-
-  qois.backplane-net.enable = true;
-
-  services.qois.luks-ssh = {
-    enable = true;
-    interface = "eth0";
-    sshPort = 2222;
-  };
-}
diff --git a/private b/private
index 1d096ec..18d3b3b 160000
--- a/private
+++ b/private
@@ -1 +1 @@
-Subproject commit 1d096ecce6a9b722dbdc70515375ec6798958c23
+Subproject commit 18d3b3b703a6139b9ebd5ec64311717cf2a6f9bc
diff --git a/updates.md b/updates.md
index 5d7a6e3..09373c1 100644
--- a/updates.md
+++ b/updates.md
@@ -28,7 +28,7 @@ deploy-qois .#lindberg-nextcloud .#lindberg-build
 deploy-qois .#lindberg
 
 # Deploy slow physical hosts (maybe do individually)
-deploy-qois --confirm-timeout 600 --activation-timeout 600 --targets .#tierberg .#stompert .#stompert
+deploy-qois --confirm-timeout 600 --activation-timeout 600 --targets .#stompert .#stompert
 
 ```