diff --git a/.drone.yml b/.drone.yml
index c554978e..14eb3de5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -15,7 +15,7 @@ steps:
     commands:
       - 'echo DEBUG: Using NIX_FLAGS: $NIX_FLAGS'
       - nix $$NIX_FLAGS develop --command nix flake show
-      - nix $$NIX_FLAGS build ".#nixosConfigurations.PubSolarOS.config.system.build.toplevel"
+      - nix $$NIX_FLAGS build ".#nixosConfigurations.host_001_momo_koeln.config.system.build.toplevel"
 
 ---
 kind: pipeline
@@ -147,6 +147,6 @@ volumes:
 
 ---
 kind: signature
-hmac: d6187b243c1939eaf2803830e784aa89dd20edda9ba205940cf6caa2c615b6c6
+hmac: 4eafc30355db63df1c207a267669400120d18a479bf850923cd646f7cb0fabac
 
 ...
diff --git a/hosts/PubSolarOS.nix b/hosts/PubSolarOS.nix
deleted file mode 100644
index da0375cd..00000000
--- a/hosts/PubSolarOS.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{suites, ...}: {
-  ### root password is empty by default ###
-  ### default password: pub-solar, optional: add your SSH keys
-  imports =
-    suites.iso;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.networkmanager.enable = true;
-
-  fileSystems."/" = {device = "/dev/disk/by-label/nixos";};
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "22.05"; # Did you read the comment?
-}
diff --git a/hosts/bootstrap.nix b/hosts/bootstrap.nix
deleted file mode 100644
index c71f03cc..00000000
--- a/hosts/bootstrap.nix
+++ /dev/null
@@ -1,54 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  profiles,
-  ...
-}:
-with lib; let
-  # Gets hostname of host to be bundled inside iso
-  # Copied from https://github.com/divnix/digga/blob/30ffa0b02272dc56c94fd3c7d8a5a0f07ca197bf/modules/bootstrap-iso.nix#L3-L11
-  getFqdn = config: let
-    net = config.networking;
-    fqdn =
-      if (net ? domain) && (net.domain != null)
-      then "${net.hostName}.${net.domain}"
-      else net.hostName;
-  in
-    fqdn;
-in {
-  # build with: `nix build ".#nixosConfigurations.bootstrap.config.system.build.isoImage"`
-  imports = [
-    # profiles.networking
-    profiles.users.root # make sure to configure ssh keys
-    profiles.users.pub-solar
-    profiles.base-user
-    profiles.graphical
-    profiles.pub-solar-iso
-  ];
-
-  config = {
-    boot.loader.systemd-boot.enable = true;
-
-    # will be overridden by the bootstrapIso instrumentation
-    fileSystems."/" = {device = "/dev/disk/by-label/nixos";};
-
-    system.nixos.label = "PubSolarOS-" + config.system.nixos.version;
-
-    # mkForce because a similar transformation gets double applied otherwise
-    # https://github.com/divnix/digga/blob/30ffa0b02272dc56c94fd3c7d8a5a0f07ca197bf/modules/bootstrap-iso.nix#L17
-    # https://github.com/NixOS/nixpkgs/blob/aecd4d8349b94f9bd5718c74a5b789f233f67326/nixos/modules/installer/cd-dvd/installation-cd-base.nix#L21-L22
-    isoImage = {
-      isoBaseName = mkForce (getFqdn config);
-      isoName = mkForce "${config.system.nixos.label}-${config.isoImage.isoBaseName}-${pkgs.stdenv.hostPlatform.system}.iso";
-    };
-
-    # This value determines the NixOS release from which the default
-    # settings for stateful data, like file locations and database versions
-    # on your system were taken. It‘s perfectly fine and recommended to leave
-    # this value at the release version of the first install of this system.
-    # Before changing this value read the documentation for this option
-    # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-    system.stateVersion = "21.05"; # Did you read the comment?
-  };
-}
diff --git a/users/barkeeper/default.nix b/users/barkeeper/default.nix
index 71a98c6a..201d161c 100644
--- a/users/barkeeper/default.nix
+++ b/users/barkeeper/default.nix
@@ -34,6 +34,7 @@ in {
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII/58A18EtxnLYHu63c/+AyTSkJQSso/VVdHUFGp1CTk cardno:FFFE34353135 @hensoko"
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAqkqMYgncrnczcW/0PY+Z+FmNXXpgw6D9JWTTwiainy hensoko@hensoko-tp-work"
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEbaQdxp7Flz6ttELe63rn+Nt9g43qJOLih6VCMP4gPb @hensoko"
+          "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFro/k4Mgqyh8yV/7Zwjc0dv60ZM7bROBU9JNd99P/4co6fxPt1pJiU/pEz2Dax/HODxgcO+jFZfvPEuLMCeAl0= YubiKey #10593996 PIV Slot 9a @teutat3s"
         ];
       };
     };
diff --git a/users/pub-solar/default.nix b/users/pub-solar/default.nix
deleted file mode 100644
index ce4b74b6..00000000
--- a/users/pub-solar/default.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{hmUsers, ...}: {
-  home-manager.users = {inherit (hmUsers) pub-solar;};
-
-  pub-solar = {
-    # These are your personal settings
-    # The only required settings are `name` and `password`,
-    # for convenience, use publicKeys to add your SSH keys
-    # The rest is used for programs like git
-    user = {
-      name = "pub-solar";
-      # default password = pub-solar
-      password = "$6$Kv0BCLU2Jg7GN8Oa$hc2vERKCbZdczFqyHPfgCaleGP.JuOWyd.bfcIsLDNmExGXI6Rnkze.SWzVzVS311KBznN/P4uUYAUADXkVtr.";
-      fullName = "Pub Solar";
-      email = "iso@pub.solar";
-      publicKeys = [];
-    };
-  };
-}