diff --git a/default.nix b/default.nix
index 2eccc6f6..fd878303 100644
--- a/default.nix
+++ b/default.nix
@@ -1,4 +1,4 @@
-{ home-manager, stylix, lib, ... }:
+{ home-manager, stylix, ... }:
 
 {
   imports = [
@@ -12,12 +12,4 @@
     ./specializations
     ./src/main.nix
   ];
-
-  options.variables = {
-    hostname = lib.mkOption { default = "nixos"; };
-    hostHardwareConfiguration = lib.mkOption { default = ./hardware/laptop.nix; };
-    stateVersion = lib.mkOption { default = "22.11"; };
-    username = lib.mkOption { default = "user"; };
-    defaultBrowser = lib.mkOption { default = "librewolf"; };
-  };
 }
diff --git a/home/git.nix b/home/git.nix
index 447de7dc..cd9da303 100644
--- a/home/git.nix
+++ b/home/git.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 
 {
   home.packages = with pkgs; [ tig ];
@@ -22,7 +22,7 @@
         quotePath = false;
       };
 
-      web.browser = config.variables.defaultBrowser;
+      web.browser = "librewolf";
       push.default = "simple";
       branch.autosetuprebase = "always";
       init.defaultBranch = "master";
diff --git a/home/hyprland.nix b/home/hyprland.nix
index 4724456e..ee219301 100644
--- a/home/hyprland.nix
+++ b/home/hyprland.nix
@@ -1,9 +1,9 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 
 {
   xdg.configFile."hypr/hyprland.conf".text = /* bash */ ''
     env=XCURSOR_SIZE,24
-    env=BROWSER,${config.variables.defaultBrowser}
+    env=BROWSER,librewolf
     env=GTK_IM_MODULE,fcitx
     env=QT_IM_MODULE,fcitx
     env=XMODIFIERS,@im=fcitx
diff --git a/home/kitty.nix b/home/kitty.nix
index 0ba935b3..e7e104a4 100644
--- a/home/kitty.nix
+++ b/home/kitty.nix
@@ -1,4 +1,4 @@
-{ config, ... }: {
+{
   programs.kitty = {
     enable = true;
 
@@ -7,7 +7,7 @@
       close_on_child_death = true;
       cursor_blink_interval = 0;
 
-      open_url_with = config.variables.defaultBrowser;
+      open_url_with = "librewolf";
       wayland_titlebar_color = "background";
 
       allow_remote_control = true;
diff --git a/home/mime-apps.nix b/home/mime-apps.nix
index 6ba401c4..66531939 100644
--- a/home/mime-apps.nix
+++ b/home/mime-apps.nix
@@ -1,4 +1,4 @@
-{ config, ... }: {
+{
   xdg.mimeApps = {
     enable = true;
 
@@ -7,8 +7,8 @@
       "image/jpeg" = "feh.desktop";
       "image/gif" = "org.qutebrowser.qutebrowser.desktop";
       "application/x-wine-extension-osz" = "osu-stable.desktop";
-      "x-scheme-handler/http" = "${config.variables.defaultBrowser}.desktop";
-      "x-scheme-handler/https" = "${config.variables.defaultBrowser}.desktop";
+      "x-scheme-handler/http" = "librewolf.desktop";
+      "x-scheme-handler/https" = "librewolf.desktop";
     };
   };
 }
diff --git a/home/ncmpcpp.nix b/home/ncmpcpp.nix
index 7872aa1f..a007b40b 100644
--- a/home/ncmpcpp.nix
+++ b/home/ncmpcpp.nix
@@ -1,11 +1,11 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 
 {
   home.packages = with pkgs; [ mpc-cli ];
 
   services.mpd = {
     enable = true;
-    musicDirectory = "/home/${config.variables.username}/Music";
+    musicDirectory = "/home/user/Music";
   };
 
   xdg.configFile = {
diff --git a/home/xdg-user-dirs.nix b/home/xdg-user-dirs.nix
index 3a510400..73886d1a 100644
--- a/home/xdg-user-dirs.nix
+++ b/home/xdg-user-dirs.nix
@@ -1,4 +1,4 @@
-{ config, ... }: {
+{
   xdg.userDirs = {
     enable = true;
 
@@ -6,11 +6,11 @@
     templates = null;
     publicShare = null;
 
-    download = "/home/${config.variables.username}/ダウンロード";
-    documents = "/home/${config.variables.username}/ドキュメント";
-    music = "/home/${config.variables.username}/音楽";
-    pictures = "/home/${config.variables.username}/画像";
-    videos = "/home/${config.variables.username}/ビデオ";
+    download = "/home/user/ダウンロード";
+    documents = "/home/user/ドキュメント";
+    music = "/home/user/音楽";
+    pictures = "/home/user/画像";
+    videos = "/home/user/ビデオ";
   };
 
   xdg.configFile."user-dirs.locale".text = "ja_JP";
diff --git a/modules/fish.nix b/modules/fish.nix
index 875b16c1..45a60e3d 100644
--- a/modules/fish.nix
+++ b/modules/fish.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 
 {
   users.defaultUserShell = pkgs.fish;
@@ -76,7 +76,7 @@
       jis = "recode shift_jis..utf8"; # Easily convert shift_jis-encoded files to utf8
       utf16 = "recode utf16..utf8"; # Rarely, some files from Japan are utf16 instead
       jp = "LANG=ja_JP.UTF-8 LC_ALL=ja_JP.UTF-8";
-      vm = /* fish */ ''cd ~/nix-config && crystal spec tests/main.cr --progress --verbose --tag local && nixos-rebuild build-vm --flake . --verbose && ./result/bin/run-${config.variables.hostname}-vm && trash put result ${config.variables.hostname}.qcow2'';
+      vm = /* fish */ ''cd ~/nix-config && crystal spec tests/main.cr --progress --verbose --tag local && nixos-rebuild build-vm --flake . --verbose && ./result/bin/run-nixos-vm && trash put result nixos.qcow2'';
       sw = "cd ~/nix-config && crystal spec tests/main.cr --progress --verbose --tag local && sudo nixos-rebuild switch --flake . --verbose";
       st = "cd ~/nix-config && crystal spec tests/main.cr --progress --verbose --tag local";
       tf = "treefmt";
diff --git a/modules/greetd.nix b/modules/greetd.nix
index 887b2ce6..2b40679f 100644
--- a/modules/greetd.nix
+++ b/modules/greetd.nix
@@ -1,4 +1,6 @@
-{ pkgs, config, ... }: {
+{ pkgs, ... }:
+
+{
   services.greetd = {
     enable = true;
     restart = false;
@@ -9,7 +11,7 @@
       };
       initial_session = {
         command = "${pkgs.hyprland}/bin/Hyprland";
-        user = config.variables.username;
+        user = "user";
       };
     };
   };
diff --git a/modules/home-manager.nix b/modules/home-manager.nix
index 96edf18f..39bca920 100644
--- a/modules/home-manager.nix
+++ b/modules/home-manager.nix
@@ -1,16 +1,16 @@
-{ config, ... }: {
+{
   home-manager = {
     useGlobalPkgs = true;
     useUserPackages = true;
 
     sharedModules = [{
-      home.stateVersion = config.variables.stateVersion;
+      home.stateVersion = "22.11";
     }];
 
     users = {
       user = {
-        home.username = config.variables.username;
-        home.homeDirectory = "/home/${config.variables.username}";
+        home.username = "user";
+        home.homeDirectory = "/home/user";
       };
     };
   };
diff --git a/modules/networking.nix b/modules/networking.nix
index 6821cb5d..72a262c5 100644
--- a/modules/networking.nix
+++ b/modules/networking.nix
@@ -1,6 +1,6 @@
-{ config, ... }: {
+{
   networking = {
-    hostName = config.variables.hostname;
+    hostName = "nixos";
 
     networkmanager = {
       enable = true;
diff --git a/modules/user.nix b/modules/user.nix
index 96156401..03ce7872 100644
--- a/modules/user.nix
+++ b/modules/user.nix
@@ -1,12 +1,14 @@
-{ config, ... }: {
+{
   users = {
     mutableUsers = false;
 
-    users."${config.variables.username}" = {
-      isNormalUser = true;
-      uid = 1000;
-      password = "user";
-      extraGroups = [ "wheel" "networkmanager" ];
+    users = {
+      user = {
+        isNormalUser = true;
+        uid = 1000;
+        password = "user";
+        extraGroups = [ "wheel" "networkmanager" ];
+      };
     };
   };
 }
diff --git a/src/main.nix b/src/main.nix
index dbbe0ba1..d8a4a707 100644
--- a/src/main.nix
+++ b/src/main.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, config, ... }: {
+{ pkgs, lib, ... }: {
   environment.systemPackages = with pkgs; [
     grimblast
     waycorner
@@ -88,5 +88,5 @@
     ];
 
   environment.defaultPackages = [ ];
-  system.stateVersion = config.varables.stateVersion;
+  system.stateVersion = "22.11";
 }