diff --git a/ops/nixos/lib/ssh-ca-vault.nix b/ops/nixos/lib/ssh-ca-vault.nix
index 9dc64aaf9f..314515e198 100644
--- a/ops/nixos/lib/ssh-ca-vault.nix
+++ b/ops/nixos/lib/ssh-ca-vault.nix
@@ -6,7 +6,8 @@
 let
   inherit (lib) listToAttrs nameValuePair mkAfter concatMapStrings;
 
-  keyTypes = [ "ed25519" "rsa" ];
+  #keyTypes = [ "ed25519" "rsa" ];
+  keyTypes = [ ];
   hostKeyForKeyType = keyType: "/etc/ssh/ssh_host_${keyType}_key.pub";
   secretNameForKeyType = keyType: "openssh-cert-${keyType}";