diff --git a/deploy/colmena.nix b/deploy/colmena.nix
index 9581027..81b3aa0 100644
--- a/deploy/colmena.nix
+++ b/deploy/colmena.nix
@@ -18,8 +18,8 @@ let
     };
   };
 
-  nodes = lib.genAttrs hostDirNames (hostname:
-    mkNode hostname (utils.hostMeta ../hosts/${hostname}).deployment.tags
+  nodes = lib.genAttrs hostDirNames (
+    hostname: mkNode hostname (utils.hostMeta ../hosts/${hostname}).deployment.tags
   );
 in
 inputs.colmena.lib.makeHive {
diff --git a/home/hosts/andromache/default.nix b/home/hosts/andromache/default.nix
index 6cb75f8..33c0a47 100644
--- a/home/hosts/andromache/default.nix
+++ b/home/hosts/andromache/default.nix
@@ -32,7 +32,7 @@
 
   home = {
     stateVersion = "25.05";
-    username = config.host.username;
+    inherit (config.host) username;
     homeDirectory = "/home/${config.host.username}";
   };
 
diff --git a/home/hosts/astyanax/default.nix b/home/hosts/astyanax/default.nix
index 681e54a..b093f24 100644
--- a/home/hosts/astyanax/default.nix
+++ b/home/hosts/astyanax/default.nix
@@ -30,7 +30,7 @@
 
   home = {
     stateVersion = "25.05";
-    username = config.host.username;
+    inherit (config.host) username;
     homeDirectory = "/home/${config.host.username}";
   };
 
diff --git a/home/modules/default.nix b/home/modules/default.nix
index 997bc9d..0c53d84 100644
--- a/home/modules/default.nix
+++ b/home/modules/default.nix
@@ -1,4 +1,9 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 
 {
   options.nixgl.wrap = lib.mkOption {
diff --git a/home/modules/secrets/default.nix b/home/modules/secrets/default.nix
index 1175d68..d4eb45c 100644
--- a/home/modules/secrets/default.nix
+++ b/home/modules/secrets/default.nix
@@ -1,5 +1,4 @@
 {
-  lib,
   pkgs,
   ...
 }:
diff --git a/home/modules/waybar/settings.nix b/home/modules/waybar/settings.nix
index 884b8f3..dfe34b8 100644
--- a/home/modules/waybar/settings.nix
+++ b/home/modules/waybar/settings.nix
@@ -1,5 +1,3 @@
-{ lib, ... }:
-
 {
   programs.waybar.settings = [
     {
diff --git a/hosts/andromache/default.nix b/hosts/andromache/default.nix
index d03f499..220f993 100644
--- a/hosts/andromache/default.nix
+++ b/hosts/andromache/default.nix
@@ -95,7 +95,7 @@ in
 
   my.yubikey = {
     enable = false;
-    username = config.host.username;
+    inherit (config.host) username;
     keys = [
       {
         handle = "<KeyHandle1>";
diff --git a/hosts/eetion-02/default.nix b/hosts/eetion-02/default.nix
index bf1ff85..e4c2a7e 100644
--- a/hosts/eetion-02/default.nix
+++ b/hosts/eetion-02/default.nix
@@ -16,7 +16,7 @@
   };
 
   ssh = {
-    username = config.host.username;
+    inherit (config.host) username;
     publicHostname = config.host.name;
     authorizedHosts = [
       "andromache"
diff --git a/hosts/eetion/default.nix b/hosts/eetion/default.nix
index 6ebaad0..4b94d8f 100644
--- a/hosts/eetion/default.nix
+++ b/hosts/eetion/default.nix
@@ -17,7 +17,7 @@
   };
 
   ssh = {
-    username = config.host.username;
+    inherit (config.host) username;
     publicHostname = config.host.name;
     authorizedHosts = [
       "andromache"
diff --git a/hosts/hecuba/default.nix b/hosts/hecuba/default.nix
index f0f8e6d..b0dd830 100644
--- a/hosts/hecuba/default.nix
+++ b/hosts/hecuba/default.nix
@@ -23,7 +23,7 @@
 
   networking.hostName = config.host.name;
   ssh = {
-    username = config.host.username;
+    inherit (config.host) username;
     publicHostname = "server.hektormisplon.xyz";
     authorizedHosts = [
       "andromache"
diff --git a/modules/boot/bootloader.nix b/modules/boot/bootloader.nix
index 3a4014f..d39e4ca 100644
--- a/modules/boot/bootloader.nix
+++ b/modules/boot/bootloader.nix
@@ -1,5 +1,3 @@
-_:
-
 {
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
diff --git a/modules/localization/default.nix b/modules/localization/default.nix
index 45dea14..6029538 100644
--- a/modules/localization/default.nix
+++ b/modules/localization/default.nix
@@ -1,5 +1,3 @@
-_:
-
 {
   time.timeZone = "Europe/Brussels";
   i18n.defaultLocale = "en_US.UTF-8";
diff --git a/modules/x/default.nix b/modules/x/default.nix
index d956a8f..4be8213 100644
--- a/modules/x/default.nix
+++ b/modules/x/default.nix
@@ -1,5 +1,3 @@
-_:
-
 {
   services.xserver.windowManager.xmonad = {
     enable = true;
diff --git a/utils/default.nix b/utils/default.nix
index 372e7a5..911b33d 100644
--- a/utils/default.nix
+++ b/utils/default.nix
@@ -4,8 +4,10 @@
   dirNames =
     path: builtins.attrNames (lib.filterAttrs (_: type: type == "directory") (builtins.readDir path));
 
-  hostMeta = hostDir:
-    if builtins.pathExists (hostDir + "/meta.nix")
-    then import (hostDir + "/meta.nix")
-    else throw "meta.nix required in ${hostDir}";
+  hostMeta =
+    hostDir:
+    if builtins.pathExists (hostDir + "/meta.nix") then
+      import (hostDir + "/meta.nix")
+    else
+      throw "meta.nix required in ${hostDir}";
 }