diff --git a/machines.nix b/machines.nix
index 853a402..9825bce 100644
--- a/machines.nix
+++ b/machines.nix
@@ -55,19 +55,21 @@
       ./modules/nixos/networking/ssh-as-root.nix
       ({config, ...}: {users.users.root.openssh.authorizedKeys.keys = [config.pub-keys.ssh.andromeda];})
 
+      # TODO add Impermanence to the following services
+
       # simple-nixos-mailserver email server
       # mail.domain
-      ./modules/nixos/mailserver.nix
+      # ./modules/nixos/mailserver.nix
 
       # roundcube webmail client
       # webmail.domain
-      ./modules/nixos/roundcube.nix
+      # ./modules/nixos/roundcube.nix
 
       # zulip chat client
       # chat.domain
       # zulip chat server
       # zulip.domain
-      ./modules/nixos/zulip.nix
+      # ./modules/nixos/zulip.nix
       {
       }
     ];