diff --git a/makefu/2configs/save-diskspace.nix b/makefu/2configs/save-diskspace.nix
index cc2b29cac..4fd569768 100644
--- a/makefu/2configs/save-diskspace.nix
+++ b/makefu/2configs/save-diskspace.nix
@@ -1,9 +1,11 @@
 _:
 # TODO: do not check out nixpkgs master but fetch revision from github
 {
-  services.nixosManual.enable = false;
-  programs.man.enable = false;
-  services.journald.extraConfig = "SystemMaxUse=50M";
+  environment.noXlibs = true;
   nix.gc.automatic = true;
   nix.gc.dates = "03:10";
+  programs.info.enable = false;
+  programs.man.enable = false;
+  services.journald.extraConfig = "SystemMaxUse=50M";
+  services.nixosManual.enable = false;
 }