diff --git a/hosts/birne/configuration.nix b/hosts/birne/configuration.nix
deleted file mode 100755
index 5ab2329..0000000
--- a/hosts/birne/configuration.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
-{ config, pkgs, ... }:
-
-{
-  imports = [
-    # Include the results of the hardware scan.
-    ./hardware-configuration.nix
-  ];
-
-  # Use the systemd-boot EFI boot loader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking = {
-    hostName = "birne";
-    interfaces.wlp4s0.useDHCP = true;
-    interfaces.enp1s0.useDHCP = true;
-    wireless = {
-      enable = true;
-      interfaces = [ "wlp4s0" ];
-    };
-  };
-
-  nixpkgs.config.allowUnfree = true;
-  users.users.printer = {
-    isNormalUser = true;
-    password = "printer";
-    extraGroups = [ ];
-  };
-
-  environment.systemPackages = with pkgs; [
-    firefox
-  ];
-
-  system.stateVersion = "21.05";
-
-}
-
diff --git a/hosts/birne/hardware-configuration.nix b/hosts/birne/hardware-configuration.nix
deleted file mode 100755
index 5ad5d2a..0000000
--- a/hosts/birne/hardware-configuration.nix
+++ /dev/null
@@ -1,33 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [
-      (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "ohci_pci" "ehci_pci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-amd" "wl" ];
-  boot.extraModulePackages = [ config.boot.kernelPackages.broadcom_sta ];
-
-  fileSystems."/" =
-    {
-      device = "/dev/disk/by-uuid/9799b183-a191-484e-b9a4-05e29412af25";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    {
-      device = "/dev/disk/by-uuid/CF58-EB12";
-      fsType = "vfat";
-    };
-
-  swapDevices =
-    [{ device = "/dev/disk/by-uuid/94622e8e-8b58-4b3b-9494-d144ccaeb486"; }];
-
-  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}
diff --git a/modules/autoupdate.nix b/modules/autoupdate.nix
deleted file mode 100755
index 7152937..0000000
--- a/modules/autoupdate.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ pkgs, config, ... }:
-
-{
-  system.autoUpgrade = {
-    enable = true;
-    dates = "12:00";
-    # might need to move this into the configuration of `birne`?
-    allowReboot = true;
-  };
-}
diff --git a/modules/keycloak.nix b/modules/keycloak.nix
deleted file mode 100644
index 881980b..0000000
--- a/modules/keycloak.nix
+++ /dev/null
@@ -1,64 +0,0 @@
-{ pkgs, config, lib, ... }: {
-
-  sops.secrets.postgres_keycloak = {
-    owner = config.systemd.services.keycloak.serviceConfig.User;
-    group = "keycloak";
-  };
-
-  users.users.keycloak = {
-    name = "keycloak";
-    isSystemUser = true;
-    group = "keycloak";
-  };
-
-  users.groups.keycloak = {
-    name = "keycloak";
-    members = [ "keycloak" ];
-  };
-
-  services = {
-    keycloak = {
-      enable = true;
-
-      settings = {
-        hostname = "keycloak.quitte.tassilo-tanneberger.de";
-        http-host = "127.0.0.1";
-        http-port = 8000;
-        https-port = 8001;
-        proxy = "edge";
-      };
-
-      database = {
-        username = "keycloak";
-        type = "postgresql";
-        passwordFile = config.sops.secrets.postgres_keycloak.path;
-        name = "keycloak";
-        host = "localhost";
-        createLocally = true;
-      };
-    };
-    postgresql = {
-      enable = true;
-    };
-    nginx = {
-      enable = true;
-      recommendedProxySettings = true;
-      virtualHosts = {
-        "${config.services.keycloak.settings.hostname}" = {
-          enableACME = true;
-          forceSSL = true;
-          http2 = true;
-          locations = {
-            "/" =
-              let
-                cfg = config.services.keycloak.settings;
-              in
-              {
-                proxyPass = "http://${cfg.http-host}:${toString cfg.http-port}";
-              };
-          };
-        };
-      };
-    };
-  };
-}
diff --git a/modules/printing.nix b/modules/printing.nix
deleted file mode 100755
index c99e4ae..0000000
--- a/modules/printing.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ pkgs, config, ... }:
-
-{
-  # Enable CUPS to print documents.
-  services = {
-    printing.enable = true;
-    printing.drivers = with pkgs; [
-      gutenprint
-      gutenprintBin
-      hplip
-      hplipWithPlugin
-    ];
-    avahi.enable = true;
-  };
-
-  environment.systemPackages = with pkgs; [
-    gnome.gnome-control-center
-  ];
-  # set up Heiko
-  hardware.printers.ensurePrinters = [
-    {
-      description = "Drucker im FSR Buero";
-      deviceUri = "dnssd://Kyocera%20ECOSYS%20M6630cidn._ipp._tcp.local/?uuid=4509a320-007e-002c-00dd-002507504ad0";
-      location = "FSR Buero";
-      model = "Kyocera ECOSYS M6630cidn KPDL";
-      name = "Heiko";
-    }
-    {
-      description = "Drucker im FSR Buero";
-      deviceUri = "dnssd://Kyocera%20ECOSYS%20M6630cidn._pdl-datastream._tcp.local/?uuid=4509a320-007e-002c-00dd-002507504ad0";
-      location = "FSR Buero";
-      model = "Kyocera ECOSYS M6630cidn KPDL";
-      name = "Heiko";
-    }
-  ];
-}
diff --git a/modules/wifi.nix b/modules/wifi.nix
deleted file mode 100755
index 561186e..0000000
--- a/modules/wifi.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-#
-# Useful config 
-# https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/wlan-eduroam
-# https://www.stura.htw-dresden.de/stura/ref/hopo/dk/nachrichten/eduroam-meets-nixos
-#
-{ pkgs, config, ... }:
-let
-  password = "$(${pkgs.coreutils}/bin/cat /run/secrets/fsr_wifi_psk)";
-in
-{
-  networking = {
-    wireless = {
-      enable = true;
-      networks = {
-        "FSR" = {
-          priority = 10;
-          pskRaw = "9dbdf08e1205b1167a812a35cfac4b49a86e155eec707bd47f4d06d829e7d168";
-        };
-      };
-    };
-  };
-}
-
-
diff --git a/secrets/birne.test.yaml b/secrets/birne.test.yaml
deleted file mode 100755
index aa848a4..0000000
--- a/secrets/birne.test.yaml
+++ /dev/null
@@ -1,43 +0,0 @@
-fsr_wifi: ENC[AES256_GCM,data:CD0ge6d5+gc=,iv:yuWfwwGm2HOKvMQQ9lF4TFOqvCU2z06sqS+pzhCFhfY=,tag:1+8MwcPUGgtcdXvTNAuR5g==,type:str]
-fsr_wifi_psk: ENC[AES256_GCM,data:uwq/nkKm9eDdMxUJMQ==,iv:q9mzhfkPBM1oTQN69tSEiQmf3hYZ4pGJEqjVEjU//FI=,tag:g0p+S2jlkAT0jY5hBRKuXw==,type:str]
-sops:
-    kms: []
-    gcp_kms: []
-    azure_kv: []
-    hc_vault: []
-    age:
-        - recipient: age1925katzy5gws3f9hnvnlwspu6trxf488arwt6ayw3urg2mgumqhszxnmqh
-          enc: |
-            -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBySHgvQThoSmpXOUc1a3lN
-            dXR6ZElYYlppOXNISXM0bURxQjdIU3pDL2wwCmNoT0pYTEdubWh3eFc3VzVwdnR3
-            TU5CbFlBTWxYaHRjamUzamIzQ1VnbFEKLS0tIDVUSEVtKzh1aVp1ekxVd2xRWHVo
-            dEExQkJySmo5eGtEdXVvd1FFVVhpdFUKNx1FXti0qWKDRYM6wsIUceXbjzra5ezc
-            0fNI2r7qnVQ1QghtKnibwMUR1q4/DphKEm4eX4e6q+jfHleHCSk6+g==
-            -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2022-03-05T13:53:02Z"
-    mac: ENC[AES256_GCM,data:ZpEk+wpGQz2ul+Me6i45wXkzvuxzwkibLcljBs2KjTAgjH6F4q1JyXuY271JD95A5HgEvv4Atm3sbHaG+hghXy/36WSFw5jJRBwOjDrOSSAq12+UFeYjgSA2EwbvgbBdIO6VgaRLnXtobtLFG5qaVzUAvSevo6n8vBhEjSHEEJk=,iv:iZ9bJ+it3s6lB8piPeKjVy4QYzwYGUb4EUwvnCR753Q=,tag:Nveq//4C1tiwGOkeXV7a0A==,type:str]
-    pgp:
-        - created_at: "2022-03-05T13:42:43Z"
-          enc: |
-            -----BEGIN PGP MESSAGE-----
-
-            hQIMA/YLzOYaRIJJARAAvxLI7hxutYG0KDovCjpGKIZA1JyNjp1/QYLKz3QDUFsZ
-            Ykwmixkt2wjTQjn9aE66ujLiEzMDfV2VZ6ao7Ehg04fysU1WurqEB5D+hiS6SCc2
-            3DgvlPeicY+87oZin1iaqL505MzQCEVbmcar++VCdQIGUZSQvbn1Nxn3RxKjHCjm
-            RW0juiSH1FUIZdBPL9NgUEixv7KpdEBxO5JR30GxDgYMG1Xji9Y2KsBy9XP5Lhn2
-            ziuzs6vTfFTuVUdylJNkT6yVgK4V7oEkIMiVPGFYXSUWT3TNZ0qRwuk6UJYLfvnY
-            Mt0jyKyi+hRIWPQEjBmpK/siBsQGSCXsRe84g+LUtdfPbvqwdZb59qy5B65z/ku/
-            6EQIaPRkgCa5AED3gJQCbBYhvymdgl8ZZcXkVV1Ap2VgKS5o0s+CNjdiNkXdGTL/
-            NdE7kehGJCtsHUVGs2I8TfLg/uVgJTKEodTq8eLu8WhVkNKzk9aFBCfHKYtkXBIi
-            ZIXUHNbPtXDL4aHgOTuTYjWM8bhW0pdnkGX7daqPsfNqgR9hzOo3TzoR3DRDK91w
-            cvUZ9hApYJ0OVxuPa38JGiYn3826iSSRK8qPjAndE4HhYgT/lZvu8/vZAW6EF/yH
-            8exruofMHNBNNdotkYDnyaFO6C+00SMcTUkG49vRqQKwrBygAoPLEKQhDBgczcnU
-            aAEJAhBWRVtwhCZtQV1MCl5u0IbSlxQiIH93FrdTfbJQdKM+LFlwkXOngO4blGOi
-            1tQbkiyLzIio+yoyfvbXZOIeMkLA3GynsKtxjnYYipXkuv3LP5BvZiH+bzG9jPW4
-            jXrR59MZPJLY
-            =hWOx
-            -----END PGP MESSAGE-----
-          fp: 91EBE87016391323642A6803B966009D57E69CC6
-    unencrypted_suffix: _unencrypted
-    version: 3.7.1
diff --git a/secrets/birne.yaml b/secrets/birne.yaml
deleted file mode 100755
index a638ef7..0000000
--- a/secrets/birne.yaml
+++ /dev/null
@@ -1,43 +0,0 @@
-fsr_wifi: ENC[AES256_GCM,data:nzfwY2UygQSdboRvfDxVSrUE+WLBJLYBLw==,iv:yR3lCbyUSg97+MnuwUkXEsHtSGuYOPYRgvW/YZYDhv0=,tag:eN/lqD1BetqnFDAFJE6D2g==,type:str]
-fsr_wifi_psk: ENC[AES256_GCM,data:A1Z809FJ0fUd93QcX5NNnfVxyzUZMuPGC6Hu4M9LpRoMOTrMcRPMDaR0N+cgmV7rnjYvzm4gTSTEcnqsnLGyNA==,iv:WMs3/I3SEDJwcpyqclCfxKcx61m/6BcwbGaGS4I4a5s=,tag:oYG8M3NQ2lkcUGr2K5YUEg==,type:str]
-sops:
-    kms: []
-    gcp_kms: []
-    azure_kv: []
-    hc_vault: []
-    age:
-        - recipient: age1jyxk2z69pm8hpz5zlf5lh05vrws2sprum3ucx2xjpq8efctcfdaq0jhs3w
-          enc: |
-            -----BEGIN AGE ENCRYPTED FILE-----
-            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBRQXByc2lJWnQ0Rm1Wb1V5
-            aVFaY0cwcnVlUFRKNGNYYjJjMnB5NVlkendRCkxJZ0JILzVvbDZRNzlYaWtEREJr
-            VmYzaUNiU0VmTkZzckhJeS84OU5TUkUKLS0tIG5qTnVtbHV3TWh0cW4xYlJiV0Ji
-            MFQrNkJxUUVFSStPenM4Tmx6dlVsSm8KQMPsuc/E89aDek3csMarrKm5qcfQKf3u
-            2ApD8dEN+L1L9bbJGAY6uNM6sXu5eTAGD7+Rc0duZIdDCg0LGFV8jw==
-            -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2022-03-05T13:52:43Z"
-    mac: ENC[AES256_GCM,data:/uszrMeVsVlpjFyI29/Sasr8jY3/elnnbbUDmZ1+3YHzoujQRZe47VOpfOgs/XZym+jj7MZInu5Y361YalFb0ArS7GmexZA88rFvOqHPIIUuk2h1iCHLpZRafg96x737snna7L7zHNJFJLBhqcpdt0U4U6SZjXlJ9UgR96c6Agk=,iv:4kCCIhUEfc0GCzoh+3cNxB3cnn71/0jmKI1r62dYFmk=,tag:REOoImReJds8LBKZpeu78w==,type:str]
-    pgp:
-        - created_at: "2022-03-05T13:41:12Z"
-          enc: |
-            -----BEGIN PGP MESSAGE-----
-
-            hQIMA/YLzOYaRIJJAQ/+Jis1dE0ZmxKIaqJKc1itSqd09ieVJDMmei410O2VycU3
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-            MogSWSOw4clo
-            =8/Ez
-            -----END PGP MESSAGE-----
-          fp: 91EBE87016391323642A6803B966009D57E69CC6
-    unencrypted_suffix: _unencrypted
-    version: 3.7.1