diff --git a/hosts/pluto/configuration.nix b/hosts/pluto/configuration.nix
index d61669a..fd9635b 100644
--- a/hosts/pluto/configuration.nix
+++ b/hosts/pluto/configuration.nix
@@ -2,7 +2,6 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 {
-  config,
   pkgs,
   inputs,
   ...
@@ -126,6 +125,7 @@
   services.openssh = {
     enable = true;
     passwordAuthentication = false;
+    permitRootLogin = false;
   };
 
   zmio.blog.enable = true;