diff --git a/hosts/sid/services/step-ca.nix b/hosts/sid/services/step-ca.nix
index 9ec74de..8ce01bd 100644
--- a/hosts/sid/services/step-ca.nix
+++ b/hosts/sid/services/step-ca.nix
@@ -76,7 +76,6 @@ in
       domain = "*.${constants.intranet}";
       server = "https://${constants.ca-fqdn}:${toString cfg.port}/acme/acme/directory";
       group = "nginx";
-      mode = "0640";
     };
   };