diff --git a/base/services/acme.nix b/base/services/acme.nix
index e12a501..37adb1c 100644
--- a/base/services/acme.nix
+++ b/base/services/acme.nix
@@ -8,8 +8,6 @@
   # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:
   virtualisation.vmVariant = {
     security.acme.defaults.server = "https://127.0.0.1";
-    security.acme.preliminarySelfsigned = true;
-
     users.users.root.initialPassword = "root";
   };
-}
\ No newline at end of file
+}