diff --git a/pkgs/desktops/pantheon/desktop/gala/default.nix b/pkgs/desktops/pantheon/desktop/gala/default.nix
index 423dcd10f4a..d9bec11e0da 100644
--- a/pkgs/desktops/pantheon/desktop/gala/default.nix
+++ b/pkgs/desktops/pantheon/desktop/gala/default.nix
@@ -21,6 +21,7 @@
 , gnome-settings-daemon
 , wrapGAppsHook
 , gexiv2
+, systemd
 }:
 
 stdenv.mkDerivation rec {
@@ -63,12 +64,7 @@ stdenv.mkDerivation rec {
     libgee
     mesa # for libEGL
     mutter
-  ];
-
-  mesonFlags = [
-    # TODO: enable this and remove --builtin flag from session-settings
-    # https://github.com/NixOS/nixpkgs/pull/140429
-    "-Dsystemd=false"
+    systemd
   ];
 
   postPatch = ''