diff --git a/hosts/yodaNas/configuration.nix b/hosts/yodaNas/configuration.nix
index d49f752..4881939 100644
--- a/hosts/yodaNas/configuration.nix
+++ b/hosts/yodaNas/configuration.nix
@@ -63,8 +63,5 @@ in
 
   boot.kernelParams = [];
 
-  # Allow unfree packages.
-  nixpkgs.config.allowUnfree = false;
-
   boot.kernelPackages = pkgs.linuxPackages;
 }
diff --git a/hosts/yodaTab/configuration.nix b/hosts/yodaTab/configuration.nix
index bb2691a..a805feb 100644
--- a/hosts/yodaTab/configuration.nix
+++ b/hosts/yodaTab/configuration.nix
@@ -62,8 +62,5 @@ in
 
   boot.kernelParams = [];
 
-  # Allow unfree packages.
-  nixpkgs.config.allowUnfree = true;
-
   boot.kernelPackages = pkgs.linuxPackages_latest;
 }
diff --git a/hosts/yodaTux/configuration.nix b/hosts/yodaTux/configuration.nix
index f87768a..312e420 100644
--- a/hosts/yodaTux/configuration.nix
+++ b/hosts/yodaTux/configuration.nix
@@ -63,9 +63,6 @@ in
   # S Sat Sep 23 16:11:52 2023 p4 kernel: TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
   boot.kernelParams = [ "tsc=unstable" ];
 
-  # Allow unfree packages.
-  nixpkgs.config.allowUnfree = false;
-
   # List all available kernel versions:
   #   `nix repl` -> `:l <nixpkgs>` -> `pkgs.linuxPackages` and press `TAB`
   # Default.
diff --git a/hosts/yodaYoga/configuration.nix b/hosts/yodaYoga/configuration.nix
index 8e561fe..51c6632 100644
--- a/hosts/yodaYoga/configuration.nix
+++ b/hosts/yodaYoga/configuration.nix
@@ -63,8 +63,5 @@ in
 
   boot.kernelParams = [];
 
-  # Allow unfree packages.
-  nixpkgs.config.allowUnfree = false;
-
   boot.kernelPackages = pkgs.linuxPackages;
 }
diff --git a/modules/base.nix b/modules/base.nix
index c6f5955..1b3babc 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -2,9 +2,14 @@
 
 {
   # Firmware.
+  #
   # Enables e.g. Intel microcode updates.
-  hardware.enableRedistributableFirmware = true;
-  #hardware.enableAllFirmware = true;
+  # Defaults to `config.hardware.enableAllFirmware`.
+  #hardware.enableRedistributableFirmware = true;
+  hardware.enableAllFirmware = true;
+
+  # Allow unfree packages.
+  nixpkgs.config.allowUnfree = true;
 
   # Bootloader.
   boot.loader.systemd-boot.enable = true;