diff --git a/.config/linux/system/flake.nix b/.config/linux/system/flake.nix
index bbe2f70..301cf87 100644
--- a/.config/linux/system/flake.nix
+++ b/.config/linux/system/flake.nix
@@ -2,11 +2,25 @@
 	# inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
 	inputs.nixpkgs.url = "github:nixos/nixpkgs/952b64947e0b1300600dda555db35d09122b9612"; # NOTE: This is due to AMDGPU bug: https://github.com/NixOS/nixpkgs/issues/284403
 	outputs = { self, nixpkgs }@inputs: {
+		nixosModules.common.imports = [
+			./module/common/Bootloader.nix
+			./module/common/Firewall.nix
+			./module/common/Kernel.nix
+			./module/common/Ld.nix
+			./module/common/Locale.nix
+			./module/common/Network.nix
+			./module/common/Nix.nix
+			./module/common/Packages.nix
+			./module/common/Root.nix
+			./module/common/Swap.nix
+			./module/common/Users.nix
+		];
+
 		nixosConfigurations.dasha = nixpkgs.lib.nixosSystem {
 			modules = [
+				self.nixosModules.common
 				./host/dasha/Configuration.nix
 				./module/AmdGpu.nix
-				./module/Common.nix
 				./module/Dasha.nix
 				./module/DockerRootless.nix
 				./module/Flatpak.nix
@@ -21,9 +35,9 @@
 
 		nixosConfigurations.desktop = nixpkgs.lib.nixosSystem {
 			modules = [
+				self.nixosModules.common
 				./host/desktop/Configuration.nix
 				./module/AmdGpu.nix
-				./module/Common.nix
 				./module/DockerRootless.nix
 				./module/Flatpak.nix
 				./module/Gnome.nix
@@ -38,9 +52,9 @@
 
 		nixosConfigurations.home = nixpkgs.lib.nixosSystem {
 			modules = [
+				self.nixosModules.common
 				./host/home/Configuration.nix
 				./module/AmdGpu.nix
-				./module/Common.nix
 				./module/Docker.nix
 				./module/Flatpak.nix
 				./module/Ftpd.nix
@@ -55,9 +69,9 @@
 
 		nixosConfigurations.laptop = nixpkgs.lib.nixosSystem {
 			modules = [
+				self.nixosModules.common
 				./host/laptop/Configuration.nix
 				./module/AmdGpu.nix
-				./module/Common.nix
 				./module/Dasha.nix
 				./module/DockerRootless.nix
 				./module/Flatpak.nix
@@ -73,8 +87,8 @@
 
 		nixosConfigurations.work = nixpkgs.lib.nixosSystem {
 			modules = [
+				self.nixosModules.common
 				./host/work/Configuration.nix
-				./module/Common.nix
 				./module/DockerRootless.nix
 				./module/Flatpak.nix
 				./module/Gnome.nix
diff --git a/.config/linux/system/module/common/Bootloader.nix b/.config/linux/system/module/common/Bootloader.nix
new file mode 100644
index 0000000..96381f6
--- /dev/null
+++ b/.config/linux/system/module/common/Bootloader.nix
@@ -0,0 +1,6 @@
+{ ... }:
+
+{
+	boot.loader.systemd-boot.enable      = true;
+	boot.loader.efi.canTouchEfiVariables = true;
+}
diff --git a/.config/linux/system/module/common/Firewall.nix b/.config/linux/system/module/common/Firewall.nix
new file mode 100644
index 0000000..390d07b
--- /dev/null
+++ b/.config/linux/system/module/common/Firewall.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	networking.firewall.enable = false;
+}
diff --git a/.config/linux/system/module/Common.nix b/.config/linux/system/module/common/Kernel.nix
similarity index 50%
rename from .config/linux/system/module/Common.nix
rename to .config/linux/system/module/common/Kernel.nix
index 835e90e..72e419c 100644
--- a/.config/linux/system/module/Common.nix
+++ b/.config/linux/system/module/common/Kernel.nix
@@ -1,55 +1,7 @@
-# Help: man configuration.nix or https://nixos.org/nixos/options.html
-
-{ config, pkgs, stdenv, lib, ... }:
+{ pkgs, ... }:
 
 {
-	# System packages.
-	environment.systemPackages = with pkgs; [
-		android-tools
-		appimage-run
-		binwalk
-		btop
-		cryptsetup
-		ddrescue
-		distrobox
-		gcc
-		git
-		jdk11
-		jdk19
-		lm_sensors
-		lshw
-		gnome.gnome-tweaks
-		gnumake
-		imagemagick
-		lsof
-		ncdu
-		neovim
-		nmap
-		parallel
-		pv
-		ripgrep
-		scanmem
-		smartmontools
-		steam-run
-		sqlite
-		testdisk
-		tmux
-		tree
-		virt-manager
-		wget
-		wl-clipboard
-		zip unzip
-	];
-
-	# Root user.
-	users.mutableUsers = false;
-	users.users.root.hashedPassword = "$y$j9T$oqCB16i5E2t1t/HAWaFd5.$tTaHtAcifXaDVpTcRv.yH2/eWKxKE9xM8KcqXHfHrD7"; # Use `mkpasswd`.
-
-	# Bootloader.
-	boot.loader.systemd-boot.enable      = true;
-	boot.loader.efi.canTouchEfiVariables = true;
-
-	# Latest kernel.
+	# Use latest kernel.
 	boot.kernelPackages = pkgs.linuxPackages_latest;
 
 	# Sysctl.
@@ -106,35 +58,4 @@
 		"net.ipv6.conf.lo.disable_ipv6"      = 1;
 		"net.ipv6.conf.eth0.disable_ipv6"    = 1;
 	};
-
-	# Network.
-	networking.networkmanager.enable = true;
-
-	# Ld.
-	programs.nix-ld.enable = true;
-
-	# Zram.
-	zramSwap.enable = true;
-
-	# Firewall.
-	networking.firewall.enable = false;
-
-	# Locale.
-	time.timeZone      = "Europe/Moscow";
-	i18n.defaultLocale = "en_US.UTF-8";
-	i18n.extraLocaleSettings = {
-		LC_ADDRESS        = "ru_RU.UTF-8";
-		LC_IDENTIFICATION = "ru_RU.UTF-8";
-		LC_MEASUREMENT    = "ru_RU.UTF-8";
-		LC_MONETARY       = "ru_RU.UTF-8";
-		LC_NAME           = "ru_RU.UTF-8";
-		LC_NUMERIC        = "ru_RU.UTF-8";
-		LC_PAPER          = "ru_RU.UTF-8";
-		LC_TELEPHONE      = "ru_RU.UTF-8";
-		LC_TIME           = "ru_RU.UTF-8";
-	};
-
-	# Nix.
-	nixpkgs.config.allowUnfree       = true;
-	nix.settings.auto-optimise-store = true;
 }
diff --git a/.config/linux/system/module/common/Ld.nix b/.config/linux/system/module/common/Ld.nix
new file mode 100644
index 0000000..d0995db
--- /dev/null
+++ b/.config/linux/system/module/common/Ld.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	programs.nix-ld.enable = true;
+}
diff --git a/.config/linux/system/module/common/Locale.nix b/.config/linux/system/module/common/Locale.nix
new file mode 100644
index 0000000..d77b29e
--- /dev/null
+++ b/.config/linux/system/module/common/Locale.nix
@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+	time.timeZone      = "Europe/Moscow";
+	i18n.defaultLocale = "en_US.UTF-8";
+	i18n.extraLocaleSettings = {
+		LC_ADDRESS        = "ru_RU.UTF-8";
+		LC_IDENTIFICATION = "ru_RU.UTF-8";
+		LC_MEASUREMENT    = "ru_RU.UTF-8";
+		LC_MONETARY       = "ru_RU.UTF-8";
+		LC_NAME           = "ru_RU.UTF-8";
+		LC_NUMERIC        = "ru_RU.UTF-8";
+		LC_PAPER          = "ru_RU.UTF-8";
+		LC_TELEPHONE      = "ru_RU.UTF-8";
+		LC_TIME           = "ru_RU.UTF-8";
+	};
+}
diff --git a/.config/linux/system/module/common/Network.nix b/.config/linux/system/module/common/Network.nix
new file mode 100644
index 0000000..2db5041
--- /dev/null
+++ b/.config/linux/system/module/common/Network.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	networking.networkmanager.enable = true;
+}
diff --git a/.config/linux/system/module/common/Nix.nix b/.config/linux/system/module/common/Nix.nix
new file mode 100644
index 0000000..cb8af05
--- /dev/null
+++ b/.config/linux/system/module/common/Nix.nix
@@ -0,0 +1,6 @@
+{ ... }:
+
+{
+	nixpkgs.config.allowUnfree       = true;
+	nix.settings.auto-optimise-store = true;
+}
diff --git a/.config/linux/system/module/common/Packages.nix b/.config/linux/system/module/common/Packages.nix
new file mode 100644
index 0000000..c6ff854
--- /dev/null
+++ b/.config/linux/system/module/common/Packages.nix
@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+
+{
+	environment.systemPackages = with pkgs; [
+		android-tools
+		appimage-run
+		binwalk
+		btop
+		cryptsetup
+		ddrescue
+		distrobox
+		gcc
+		git
+		jdk11
+		jdk19
+		lm_sensors
+		lshw
+		gnome.gnome-tweaks
+		gnumake
+		imagemagick
+		lsof
+		ncdu
+		neovim
+		nmap
+		parallel
+		pv
+		ripgrep
+		scanmem
+		smartmontools
+		steam-run
+		sqlite
+		testdisk
+		tmux
+		tree
+		virt-manager
+		wget
+		wl-clipboard
+		zip unzip
+	];
+}
diff --git a/.config/linux/system/module/common/Root.nix b/.config/linux/system/module/common/Root.nix
new file mode 100644
index 0000000..948b3a0
--- /dev/null
+++ b/.config/linux/system/module/common/Root.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	users.users.root.hashedPassword = "$y$j9T$oqCB16i5E2t1t/HAWaFd5.$tTaHtAcifXaDVpTcRv.yH2/eWKxKE9xM8KcqXHfHrD7"; # Use `mkpasswd`.
+}
diff --git a/.config/linux/system/module/common/Swap.nix b/.config/linux/system/module/common/Swap.nix
new file mode 100644
index 0000000..8eb4a44
--- /dev/null
+++ b/.config/linux/system/module/common/Swap.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	zramSwap.enable = true;
+}
diff --git a/.config/linux/system/module/common/Users.nix b/.config/linux/system/module/common/Users.nix
new file mode 100644
index 0000000..a9d193f
--- /dev/null
+++ b/.config/linux/system/module/common/Users.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+	users.mutableUsers = false;
+}