diff --git a/hosts/kibana/default.nix b/hosts/kibana/default.nix
index 12315ab9..251e1434 100644
--- a/hosts/kibana/default.nix
+++ b/hosts/kibana/default.nix
@@ -1,4 +1,4 @@
-{ zentralwerk, config, pkgs, lib, ... }:
+{ config, pkgs, ... }:
 
 {
   deployment = {
@@ -8,7 +8,6 @@
     hypervisor = "qemu";
   };
   networking.hostName = "kibana";
-  networking.firewall.allowedTCPPorts = [ 80 443 ];
 
   nixpkgs.config.allowUnfree = true;
   services.elasticsearch = {
@@ -51,9 +50,5 @@
     };
   };
 
-  # This value determines the NixOS release with which your system is to be
-  # compatible, in order to avoid breaking some software such as database
-  # servers. You should change this only after NixOS release notes say you
-  # should.
-  system.stateVersion = "22.11"; # Did you read the comment?
+  system.stateVersion = "22.11";
 }