diff --git a/hosts/tomate/hardware-configuration.nix b/hosts/tomate/hardware-configuration.nix
index 9866793..4d71ba7 100644
--- a/hosts/tomate/hardware-configuration.nix
+++ b/hosts/tomate/hardware-configuration.nix
@@ -1,7 +1,7 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ config, lib, modulesPath, ... }:
 
 {
   imports =
diff --git a/modules/bacula.nix b/modules/bacula.nix
index 916742f..ea93477 100644
--- a/modules/bacula.nix
+++ b/modules/bacula.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, lib, ... }:
+{ pkgs, config, ... }:
 {
   sops.secrets = {
     "bacula/password".owner = "bacula";
diff --git a/modules/fail2ban.nix b/modules/fail2ban.nix
index e0194ba..2681d43 100644
--- a/modules/fail2ban.nix
+++ b/modules/fail2ban.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ ... }:
 {
   services.fail2ban = {
     enable = true;
diff --git a/modules/infoscreen.nix b/modules/infoscreen.nix
index 389c440..5d05e0c 100644
--- a/modules/infoscreen.nix
+++ b/modules/infoscreen.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, lib, ... }:
+{ config, ... }:
 let
   domain = "infoscreen.${config.networking.domain}";
 in
diff --git a/modules/ldap/default.nix b/modules/ldap/default.nix
index 12397c3..1bcdc55 100644
--- a/modules/ldap/default.nix
+++ b/modules/ldap/default.nix
@@ -47,7 +47,7 @@ in
   disabledModules = [ "services/misc/portunus.nix" ];
   imports = [ "${nixpkgs-unstable}/nixos/modules/services/misc/portunus.nix" ];
   nixpkgs.overlays = [
-    (self: super: {
+    (_self: _super: {
       inherit (nixpkgs-unstable.legacyPackages.${system}) portunus;
     })
   ];
diff --git a/modules/manual.nix b/modules/manual.nix
index f83c5e5..94a7f15 100644
--- a/modules/manual.nix
+++ b/modules/manual.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, lib, ... }:
+{ config, ... }:
 let
   domain = "manual.${config.networking.domain}";
 in
diff --git a/modules/postgres.nix b/modules/postgres.nix
index e4c8cb1..297a1ea 100644
--- a/modules/postgres.nix
+++ b/modules/postgres.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ ... }:
 {
   # automatically back up all databases
   services.postgresqlBackup = {
diff --git a/modules/zammad.nix b/modules/zammad.nix
index 5d942e7..7746aeb 100644
--- a/modules/zammad.nix
+++ b/modules/zammad.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, ... }:
 let
   domain = "tickets.${config.networking.domain}";
 in