diff --git a/roles/private.nix b/roles/private.nix
index e7916dc..dd28440 100644
--- a/roles/private.nix
+++ b/roles/private.nix
@@ -1,29 +1,14 @@
 { config, lib, pkgs, ... }:
 
-let unstable = import <nixos-unstable> { };
-in {
+let
+  unstable = import <nixos-unstable> { };
+  openscad-ls = pkgs.callPackage ../packages/openscad-language-server.nix { };
+in
+{
   environment.systemPackages = with pkgs;
     [
-      # embedded
-      #arduino
-      #avrdude
-      #gcc-arm-embedded
-      #openocd
-      #pkgsCross.avr.avrlibc
-      #pkgsCross.avr.buildPackages.binutils
-      #pkgsCross.avr.buildPackages.gcc8
-      #pkgsCross.avr.libcCross
-
-      #cura
-      #candle
       openscad
-      #kicad
-      #blender
-      #python3Packages.numpy
-      #python3Packages.shapely
-
-      #steam
-      #unstable.obs-studio
+      openscad-ls
     ];
 
   # stm32 debugger
@@ -31,10 +16,6 @@ in {
   users.extraUsers.stefan.extraGroups = [ "plugdev" "dialout" ];
   services.udev.packages = [ pkgs.openocd ];
 
-  # steam dependencies
-  #hardware.opengl.driSupport32Bit = true;
-  #hardware.opengl.driSupport = true;
-
   fileSystems."/mnt/nfs" = {
     device = "10.1.20.29:/srv/nfs";
     fsType = "nfs";