diff --git a/hosts/pulsebert/configuration.nix b/hosts/pulsebert/configuration.nix
index 855ed00b..40b71fe8 100644
--- a/hosts/pulsebert/configuration.nix
+++ b/hosts/pulsebert/configuration.nix
@@ -12,6 +12,8 @@ in {
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
       ../../lib/admins.nix
+      ../../common.nix
+      ../../users.nix
     ];
 
   # Use the systemd-boot EFI boot loader.
@@ -33,9 +35,6 @@ in {
     defaultLocale = "en_US.UTF-8";
   };
 
-  # Set your time zone.
-  time.timeZone = "Europe/Berlin";
-
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
@@ -176,13 +175,6 @@ in {
     wheelNeedsPassword = false;
   };
 
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-  users.users."k-ot" = {
-    extraGroups = ["audio" "wheel"]; # allow k-ot to use PulseAudio
-    isNormalUser = true;
-    uid = 1000;
-  };
-
   # 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