diff --git a/nodes/hosts/common/configuration.nix b/nodes/hosts/common/configuration.nix
index bc297cd..f404ce7 100644
--- a/nodes/hosts/common/configuration.nix
+++ b/nodes/hosts/common/configuration.nix
@@ -11,6 +11,7 @@
     ./services/displaymanager.nix
     ./services/sound.nix
     ./system/bluetooth.nix
+    ./system/locale.nix
   ];
 
   nixpkgs = {
diff --git a/nodes/hosts/common/system/locale.nix b/nodes/hosts/common/system/locale.nix
new file mode 100644
index 0000000..8ad17d8
--- /dev/null
+++ b/nodes/hosts/common/system/locale.nix
@@ -0,0 +1,5 @@
+{ ... }: {
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_CA.UTF-8";
+}
+
diff --git a/nodes/hosts/lappy/configuration.nix b/nodes/hosts/lappy/configuration.nix
index c721cc3..48491b4 100644
--- a/nodes/hosts/lappy/configuration.nix
+++ b/nodes/hosts/lappy/configuration.nix
@@ -31,14 +31,6 @@
   # networking.proxy.default = "http://user:password@proxy:port/";
   # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
 
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-  # console = {
-  #   font = "Lat2-Terminus16";
-  #   keyMap = "us";
-  #   useXkbConfig = true; # use xkb.options in tty.
-  # };
-
   # Enable the X11 windowing system.
   services.xserver.enable = true;
 
@@ -61,8 +53,6 @@
     ];
   };
 
-  programs.firefox.enable = true;
-
   # List packages installed in system profile.
   # You can use https://search.nixos.org/ to find more packages (and options).
   # environment.systemPackages = with pkgs; [