2 files changed, 6 insertions, 4 deletions
diff --git a/lass/1systems/aergia/config.nix b/lass/1systems/aergia/config.nix
index 6992db4a5..d49040a7a 100644
--- a/lass/1systems/aergia/config.nix
+++ b/lass/1systems/aergia/config.nix
@@ -65,8 +65,4 @@
   ];
 
   boot.cleanTmpDir = true;
-
-  # vbox
-  virtualisation.virtualbox.host.enable = true;
-  users.users.mainUser.extraGroups = [ "vboxusers" ];
 }
diff --git a/lass/1systems/radio/source.nix b/lass/1systems/radio/source.nix
new file mode 100644
index 000000000..4acdb0c26
--- /dev/null
+++ b/lass/1systems/radio/source.nix
@@ -0,0 +1,6 @@
+{ lib, pkgs, test, ... }: let
+  npkgs = lib.importJSON ../../../krebs/nixpkgs-unstable.json;
+in if test then {} else {
+  nixpkgs.git.ref = lib.mkForce npkgs.rev;
+  nixpkgs-unstable = lib.mkForce { file = "/var/empty"; };
+}