diff --git a/nixos/modules/services/x11/display-managers/sddm.nix b/nixos/modules/services/x11/display-managers/sddm.nix
index 1a6df194084..8847acb0c60 100644
--- a/nixos/modules/services/x11/display-managers/sddm.nix
+++ b/nixos/modules/services/x11/display-managers/sddm.nix
@@ -219,8 +219,6 @@ in
         # Load themes from system environment
         QT_PLUGIN_PATH = "/run/current-system/sw/" + pkgs.qt5.qtbase.qtPluginPrefix;
         QML2_IMPORT_PATH = "/run/current-system/sw/" + pkgs.qt5.qtbase.qtQmlPrefix;
-
-        XDG_DATA_DIRS = "/run/current-system/sw/share";
       };
 
       execCmd = "exec /run/current-system/sw/bin/sddm";