diff --git a/config/common/default.nix b/config/common/default.nix
index c8930ec..459289f 100644
--- a/config/common/default.nix
+++ b/config/common/default.nix
@@ -41,7 +41,6 @@
   security.acme = {
     defaults.email = "acme@grzb.de";
     acceptTerms = true;
-    preliminarySelfsigned = true;
   };
 
   # Print the ed25519 public ssh host key to console when booting