diff --git a/hosts/desktop/configuration.nix b/hosts/desktop/configuration.nix
index 16a3b7b..982b9a1 100644
--- a/hosts/desktop/configuration.nix
+++ b/hosts/desktop/configuration.nix
@@ -40,8 +40,6 @@
 
   system.stateVersion = "24.11";
 
-  i18n.extraLocaleSettings.LC_ALL = "en_AU.UTF-8";
-
   users.users.${userName} = {
     extraGroups = [
       # keep-sorted start
diff --git a/hosts/laptop/configuration.nix b/hosts/laptop/configuration.nix
index 209193a..b81886a 100644
--- a/hosts/laptop/configuration.nix
+++ b/hosts/laptop/configuration.nix
@@ -32,8 +32,6 @@
 
   system.stateVersion = "24.11";
 
-  i18n.extraLocaleSettings.LC_ALL = "en_AU.UTF-8";
-
   users.users.${userName} = {
     extraGroups = [
       # keep-sorted start
diff --git a/modules/nixos/features/localisation.nix b/modules/nixos/features/localisation.nix
index b6ab05e..ea5750f 100644
--- a/modules/nixos/features/localisation.nix
+++ b/modules/nixos/features/localisation.nix
@@ -1,10 +1,11 @@
 {
   i18n = {
     defaultLocale = "en_AU.UTF-8";
-    supportedLocales = [
+    extraLocales = [
+      "en_GB.UTF-8/UTF-8"
       "en_US.UTF-8/UTF-8"
-      "en_AU.UTF-8/UTF-8"
     ];
+    extraLocaleSettings.LC_ALL = "en_GB.UTF-8";
   };
 
   time.timeZone = "Australia/Melbourne";