diff --git a/machines.nix b/machines.nix
index 405b118..102eba4 100644
--- a/machines.nix
+++ b/machines.nix
@@ -39,7 +39,7 @@
     modules = [
       # impermanence
       ./modules/nixos/impermanence.nix
-      #./modules/nixos/impermanence-ssh.nix
+      ./modules/nixos/impermanence-ssh.nix
 
       # hardware configuration
       # verbatim as `nixos-generate-config` AND `system.stateVersion`
@@ -61,8 +61,6 @@
       ./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