diff --git a/flake.nix b/flake.nix
index e0685bcb..3c2db809 100644
--- a/flake.nix
+++ b/flake.nix
@@ -451,13 +451,6 @@
           ];
         };
 
-        leoncloud = nixosSystem' {
-          modules = [
-            self.nixosModules.cluster-options
-            ./hosts/leoncloud
-          ];
-        };
-
         mailtngbert = nixosSystem' {
           modules = [
             self.nixosModules.microvm
diff --git a/hosts/leoncloud/default.nix b/hosts/leoncloud/default.nix
deleted file mode 100644
index 98ad1674..00000000
--- a/hosts/leoncloud/default.nix
+++ /dev/null
@@ -1,123 +0,0 @@
-{ lib, pkgs, ssh-public-keys, ... }:
-
-{
-  deployment = {
-    persistedShares = [ "/etc" "/home" "/var" ];
-    mem = 2048;
-  };
-
-  nix.settings.auto-optimise-store = lib.mkForce false;
-
-  networking = {
-    hostName = "leoncloud";
-    firewall.enable = true;
-  };
-
-  security.sudo = {
-    enable = true;
-    wheelNeedsPassword = false;
-  };
-  
-  c3d2.hq.statistics.enable = true;
-
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    wget
-    vim
-    python3Full
-    python310Packages.pip
-    python310Packages.flask
-    nmap
-    htop
-    wireguard-tools
-    docker-compose 
-  ];
-
-  users.users.overdose = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" "docker" ];
-    createHome = true;
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJPZoT83l0ogbJpviBs4VmO+NdF4NPtYAnyf8RRSoXsv leon@leon"
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIANupx+diz5N8sGZOc7ZXopyPh9HaML8M7Qh70aVVIaJ leon@leons-Air"
-    ];
-};
-
-
-# enable IP routing
-
-  networking.firewall = {
-    allowedTCPPorts = [ 80 443 8080 22 53 14000 14500 15000  ];
-    allowedUDPPorts = [ 18900 53 ];  
-  };
-
-#>-----------------docker-------------------------
-
-  virtualisation.docker.enable = true;
-
-#<-----------------docker-------------------------
-
-#>-----------------wireguard client---------------
-
-# Enable WireGuard
-  networking.wireguard.interfaces = {
-    vpn = {
-      ips = [ "10.10.11.4/24" ];
-      privateKeyFile = "/etc/nixos/wireguard-keys/private-key";
-      peers = [
-        {
-          publicKey = "iEVq4lvvKFfqjcoYYyNkA0MS8rcSGaDfPwQGN3C7+D0=";
-          allowedIPs = [ "10.10.11.0/24" ];
-          endpoint = "45.158.40.162:18900";
-          persistentKeepalive = 25;
-        }
-      ];
-    };
-  };
-
-#<-----------------wireguard client---------------
-#>-----------------nextcloud----------------------
-
-  services.nextcloud = {
-    enable = true;
-    enableBrokenCiphersForSSE = false; # avoid dependency on openssl1.1
-    hostName = "cloud";
-    package = pkgs.nextcloud25;
-    config = {
-      dbtype = "pgsql";
-      dbuser = "nextcloud";
-      dbhost = "/run/postgresql"; # nextcloud will add /.s.PGSQL.5432 by itself
-      dbname = "nextcloud";
-      adminpassFile = "/etc/nixos/next-cloud/pass";
-      adminuser = "root";
-      extraTrustedDomains = ["10.10.11.4" "10.10.11.1" "45.158.40.165" "bicospacetech.cloud.c3d2.de"]; 
-    };
-  };
-
-  services.backup.enable = false;
-
-  services.postgresql = {
-    enable = true;
-    ensureDatabases = [ "nextcloud" ];
-    ensureUsers = [
-      {
-        name = "nextcloud";
-        ensurePermissions."DATABASE nextcloud" = "ALL PRIVILEGES";
-      }
-    ];
-  };
-
-  # ensure that postgres is running *before* running the setup
-  systemd.services."nextcloud-setup" = {
-    requires = ["postgresql.service"];
-    after = ["postgresql.service"];
-  };
-
-
-
-#<-----------------nextcloud----------------------
-
-  system.stateVersion = "22.05";
-
-}