diff --git a/configs/pepe/home-assistant/zigbee2mqtt.nix b/configs/pepe/home-assistant/zigbee2mqtt.nix
index 3640cd7..299a803 100644
--- a/configs/pepe/home-assistant/zigbee2mqtt.nix
+++ b/configs/pepe/home-assistant/zigbee2mqtt.nix
@@ -13,15 +13,6 @@
     ./zigbee2mqtt/temperatur.nix
   ];
 
-  #services.zigbee2mqtt = {
-  #  enable = true;
-  #  mqttPassword = lib.fileContents <secrets/zigbee/password>;
-  #  networkKey = import <secrets/home-assistant/zigbee/networkKey>;
-  #  # only turn on for new devices, usually turn of for security reasons.
-  #  discover = true;
-  #};
-
-  # new
   services.zigbee2mqtt = {
     enable = true;
     config = {
@@ -30,7 +21,7 @@
       homeassistant = false;
 
       # allow new devices to join
-      permit_join = true;
+      permit_join = false;
 
       # MQTT settings
       mqtt = {
@@ -55,9 +46,6 @@
       # see https://www.zigbee2mqtt.io/how_tos/how_to_secure_network.html
       advanced.network_key = import <secrets/home-assistant/zigbee/networkKey>;
 
-      # todo : devices should be defined later
-      #devices = cfg.devices;
-
     };
   };
 
diff --git a/configs/pepe/home-assistant/zigbee2mqtt/configurationHelper.nix b/configs/pepe/home-assistant/zigbee2mqtt/configurationHelper.nix
index a56a3d5..7d10025 100644
--- a/configs/pepe/home-assistant/zigbee2mqtt/configurationHelper.nix
+++ b/configs/pepe/home-assistant/zigbee2mqtt/configurationHelper.nix
@@ -1,20 +1,12 @@
 { config, lib, pkgs, ... }:
-
 with lib;
-
-let
-
-  cfg = config.services.zigbee2mqttConfiguration;
-
+let cfg = config.services.zigbee2mqttConfiguration;
 in {
-
   options.services.zigbee2mqttConfiguration = mkOption {
     type = with types; attrs;
     description = ''
-      device definitions.
+      device definitions
     '';
   };
-  config = {
-    services.zigbee2mqtt.config.devices = cfg;
-  };
+  config = { services.zigbee2mqtt.config.devices = cfg; };
 }
diff --git a/configs/pepe/home-assistant/zigbee2mqtt/service.nix b/configs/pepe/home-assistant/zigbee2mqtt/service.nix
deleted file mode 100644
index b5cca78..0000000
--- a/configs/pepe/home-assistant/zigbee2mqtt/service.nix
+++ /dev/null
@@ -1,112 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with lib;
-
-let
-
-  cfg = config.services.zigbee2mqtt;
-
-  device = "/dev/ttyACM0";
-  dataFolder = "/srv/zigbee/data";
-  zigbeeConfiguration = {
-
-    # Home Assistant integration (MQTT discovery)
-    homeassistant = false;
-    # homeassistant = true;
-
-    # allow new devices to join
-    permit_join = cfg.discover;
-
-    # MQTT settings
-    mqtt = {
-      # MQTT base topic for zigbee2mqtt MQTT messages
-      base_topic = "zigbee2mqtt";
-      # MQTT server URL
-      server = "mqtt://127.0.0.1:1883";
-      # MQTT server authentication, uncomment if required:
-      user = "zigbee";
-      password = cfg.mqttPassword;
-    };
-
-    # Serial settings
-    serial = {
-      port = device;
-      # disable LED of CC2531 USB sniffer
-      disable_led = true;
-    };
-
-    devices = cfg.devices;
-  } // (lib.optionalAttrs (cfg.networkKey != null) {
-    advanced.network_key = cfg.networkKey;
-  });
-  configurationYaml =
-    pkgs.writeText "configuration.yml" (builtins.toJSON zigbeeConfiguration);
-
-in {
-
-  options.services.zigbee2mqtt = {
-    enable = mkEnableOption "enable services.zigbee2mqtt";
-    discover = mkEnableOption "discover new devices";
-    mqttPassword = mkOption {
-      type = with types; str;
-      description = ''
-        password of the mqtt server.
-      '';
-    };
-    networkKey = mkOption {
-      type = with types; nullOr (listOf int);
-      description = ''
-        you own network key,
-        16 numbers between 0 and 255
-        see https://www.zigbee2mqtt.io/how_tos/how_to_secure_network.html
-      '';
-      example = [ 7 3 5 7 9 11 13 15 0 2 4 6 8 11 12 13 ];
-    };
-    devices = mkOption {
-      type = with types; attrs;
-      description = ''
-        device definitions.
-      '';
-    };
-  };
-
-  config = mkIf cfg.enable {
-
-    # todo : einen eigenen container bauen mit dockerTool : https://nixos.wiki/wiki/Docker
-    virtualisation.docker.enable = true;
-
-    systemd.services."zigbee2mqtt" = {
-      enable = true;
-      description =
-        "Allows you to use your Zigbee devices without the vendors bridge/gateway.";
-      after = [ "docker.service" ];
-      requires = [ "docker.service" ];
-      # todo : udev rule erstellen, die diesen service erst startet, dieses wanted by ist labil
-      wantedBy = [ "home-assistant.service" ];
-
-      preStart = ''
-        if [ -f ${dataFolder}/configuration.yaml ]
-        then
-            rm ${dataFolder}/configuration.yaml
-        fi
-        mkdir -p ${dataFolder}
-        cat ${configurationYaml} | ${pkgs.yq}/bin/yq --yaml-output '.' > ${dataFolder}/configuration.yaml
-      '';
-
-      restartTriggers = [ configurationYaml ];
-
-      script = ''
-        # delete old instance to ensure update
-        ${pkgs.docker}/bin/docker stop zigbee2mqtt || true && ${pkgs.docker}/bin/docker rm -f zigbee2mqtt || true
-        # start instance
-        ${pkgs.docker}/bin/docker run \
-                       --network="host" \
-                       --name zigbee2mqtt \
-                       -v ${dataFolder}:/app/data \
-                       --device=${device} \
-                       koenkk/zigbee2mqtt
-      '';
-    };
-
-  };
-}