diff --git a/systems/palatine-hill/hydra.nix b/systems/palatine-hill/hydra.nix
index 33ec177..d65827e 100644
--- a/systems/palatine-hill/hydra.nix
+++ b/systems/palatine-hill/hydra.nix
@@ -24,7 +24,7 @@ in
       {
         hostName = "localhost";
         maxJobs = 2;
-        protocol = "ssh-ng";
+        protocol = null;
         speedFactor = 2;
         systems = [
           "x86_64-linux"