diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 7b094fc14203..3d626bf515ac 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -242,6 +242,7 @@ with lib;
     (mkRemovedOptionModule [ "fonts" "fontconfig" "hinting" "style" ] "")
     (mkRemovedOptionModule [ "services" "xserver" "displayManager" "sddm" "themes" ]
       "Set the option `services.xserver.displayManager.sddm.package' instead.")
+    (mkRemovedOptionModule [ "services" "xserver" "desktopManager" "xfce" "screenLock" ] "")
     (mkRemovedOptionModule [ "fonts" "fontconfig" "forceAutohint" ] "")
     (mkRemovedOptionModule [ "fonts" "fontconfig" "renderMonoTTFAsBitmap" ] "")
     (mkRemovedOptionModule [ "virtualisation" "xen" "qemu" ] "You don't need this option anymore, it will work without it.")
diff --git a/nixos/modules/services/x11/desktop-managers/xfce.nix b/nixos/modules/services/x11/desktop-managers/xfce.nix
index 7dcc600d2664..ae155470419d 100644
--- a/nixos/modules/services/x11/desktop-managers/xfce.nix
+++ b/nixos/modules/services/x11/desktop-managers/xfce.nix
@@ -43,12 +43,6 @@ in
         default = true;
         description = "Enable the XFWM (default) window manager.";
       };
-
-      screenLock = mkOption {
-        type = types.enum [ "xscreensaver" "xlockmore" "slock" ];
-        default = "xlockmore";
-        description = "Application used by XFCE to lock the screen.";
-      };
     };
   };
 
@@ -92,7 +86,7 @@ in
       thunar-volman # TODO: drop
     ] ++ (if config.hardware.pulseaudio.enable
           then [ xfce4-mixer-pulse xfce4-volumed-pulse ]
-	  else [ xfce4-mixer xfce4-volumed ])
+          else [ xfce4-mixer xfce4-volumed ])
       # TODO: NetworkManager doesn't belong here
       ++ optionals config.networking.networkmanager.enable [ networkmanagerapplet ]
       ++ optionals config.powerManagement.enable [ xfce4-power-manager ]