diff --git a/deployment/check/data-model/deployment.nix b/deployment/check/data-model/deployment.nix
index f843dbb0..78893e97 100644
--- a/deployment/check/data-model/deployment.nix
+++ b/deployment/check/data-model/deployment.nix
@@ -32,7 +32,7 @@ let
                 ssh = {
                   host = "localhost";
                   username = "root";
-                  authentication.password = "password";
+                  key-file = null;
                 };
                 nixos-configuration =
                   { pkgs, ... }: