diff --git a/deployment/check/data-model/nixosTest.nix b/deployment/check/data-model/nixosTest.nix
index 238a8b1e..52d6f70e 100644
--- a/deployment/check/data-model/nixosTest.nix
+++ b/deployment/check/data-model/nixosTest.nix
@@ -90,23 +90,8 @@ in
                     autoconf
                   ];
                 };
-                eval = import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
-                  system = builtins.currentSystem;
-                  specialArgs = {
-                    inherit sources;
-                  };
-                  modules = [ configuration ];
-                };
-                os = {
-                  inherit (eval) pkgs config options;
-                  system = eval.config.system.build.toplevel;
-                  inherit (eval.config.system.build) vm vmWithBootLoader;
-                };
               in
-              {
-                drv_path = os.config.system.build.toplevel.drvPath;
-                out_path = os.config.system.build.toplevel;
-              }
+              import ${pathToRoot}/deployment/nixos.nix { inherit configuration; }
               '
             )
             # instantiate the config in /nix/store