diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
new file mode 100644
index 00000000..cbf0d3eb
--- /dev/null
+++ b/.github/workflows/update.yaml
@@ -0,0 +1,52 @@
+# https://github.com/sandhose/nixconf/blob/master/.github/workflows/update.yaml
+name: "Update lock file"
+on:
+  schedule:
+    - cron: "0 */6 * * *"
+  workflow_dispatch:
+jobs:
+  tests:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: tibdex/github-app-token@v1.5
+        id: generate-token
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+
+      - uses: cachix/install-nix-action@v16
+        with:
+          install_url: https://releases.nixos.org/nix/nix-2.4/install
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+
+      - name: Setup Git author
+        run: |
+          git config user.name 'GitHub Ations'
+          git config user.email 'noreply@github.com'
+
+      - name: Update lock file
+        run: nix flake update --no-registries --commit-lock-file
+
+      - name: Get commit message
+        id: commit
+        run: |
+          message="$(git log -1 --pretty=%B | tail +3 | awk -f ./misc/flake-to-markdown.awk)"
+          message="${message//'%'/'%25'}"
+          message="${message//$'\n'/'%0A'}"
+          message="${message//$'\r'/'%0D'}"
+          echo "::set-output name=message::$message"
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3.14.0
+        with:
+          token: "${{ steps.generate-token.outputs.token }}"
+          title: "Automated Flake update"
+          body: "${{ steps.commit.outputs.message }}"
+          delete-branch: truec
diff --git a/flake.nix b/flake.nix
index 360976dd..46a2ceec 100644
--- a/flake.nix
+++ b/flake.nix
@@ -124,15 +124,12 @@
       };
       my = self.packages."${prev.system}";
     };
-    packages = [];
     nixosModules = lib.my.mapModulesRec ./nixos-modules import;
     darwinModules = [];
     #darwinModules = lib.my.mapModulesRec ./darwin-modules import;
     nixosConfigurations = processConfigurations {
       picard = nixosSystem "x86_64-linux" [ ./hosts/picard/default.nix ]; # TODO
       ds9 = nixosSystem "x86_64-linux" [ ./hosts/ds9/default.nix ]; # TODO
-      wohnzimmerpi = nixosSystem "aarch64-linux" [ ./hosts/musicpi/default.nix ]; # Livingroom pi
-      kuechenpi = nixosSystem "aarch64-linux" [ ./hosts/musicpi/default.nix ]; # Kitchen pi
     };
     darwinConfigurations = processConfigurations {
       daedalus = darwinSystem "aarch64-darwin" [ ./hosts/daedalus/default.nix ]; # TODO 
diff --git a/hosts/musicpi/default.nix b/hosts/musicpi/default.nix
deleted file mode 100644
index 3c699e6e..00000000
--- a/hosts/musicpi/default.nix
+++ /dev/null
@@ -1,72 +0,0 @@
-{ config, inputs, pkgs, lib, ... }:
-{
-  imports = [
-    "${inputs.nixpkgs}/nixos/modules/profiles/minimal.nix"
-    #    "${inputs.nixos-hardware}/raspberry-pi/4/default.nix"
-  ];
-  # fix: https://github.com/NixOS/nixpkgs/issues/126755#issuecomment-869149243
-  nixpkgs.overlays = [
-    (final: super: {
-      makeModulesClosure = x:
-        super.makeModulesClosure (x // { allowMissing = true; });
-    })
-  ];
-  sound.enable = true;
-  boot = {
-    extraModprobeConfig = ''
-      options cfg80211 ieee80211_regdom="DE"
-    '';
-    kernelPackages = lib.mkDefault pkgs.linuxPackages_rpi3;
-    initrd.availableKernelModules = lib.mkForce [ "md_mod" "ext2" "ext4" "sd_mod" "sr_mod" "mmc_block" "ehci_hcd" "ohci_hcd" "xhci_hcd" "usbhid" "hid_generic" ]; 
-    loader = {
-      grub.enable = lib.mkDefault false;
-      generic-extlinux-compatible.enable = lib.mkForce false;
-      raspberryPi.enable = true;
-      raspberryPi.version = 3;
-      raspberryPi.uboot.enable = false;
-      raspberryPi.firmwareConfig = ''
-        dtparam=hifiberry-dac
-      '';
-    };
-  };
-
-  # Required for the Wireless firmware
-  hardware = {
-    firmware = [ pkgs.wireless-regdb pkgs.raspberrypiWirelessFirmware ];
-    enableRedistributableFirmware = lib.mkForce false;
-  };
-
-  nix = {
-    settings.auto-optimise-store = true;
-    gc = {
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 30d";
-    };
-    # Free up to 1GiB whenever there is less than 100MiB left.
-    extraOptions = ''
-      min-free = ${toString (100 * 1024 * 1024)}
-      max-free = ${toString (1024 * 1024 * 1024)}
-    '';
-  };
-
-  # Assuming this is installed on top of the disk image.
-  fileSystems = {
-    "/" = {
-      device = "/dev/disk/by-label/NIXOS_SD";
-      fsType = "ext4";
-      options = [ "noatime" ];
-    };
-  };
-
-  environment.systemPackages = [ pkgs.alsa-utils ];
-  ragon.services.ssh.enable = true;
-  ragon.agenix.enable = true;
-  networking.wireless.enable = true;
-  ragon.agenix.secrets.wpa_supplicant = { path = "/etc/wpa_supplicant.conf"; };
-  services.shairport-sync = {
-    enable = true;
-    arguments = "-o alsa -v";
-    openFirewall = true;
-  };
-}