diff --git a/flake.nix b/flake.nix
index 9320164..6bb6fe3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -163,13 +163,16 @@
             inputs.simple-nixos-mailserver.nixosModule
           ];
         };
-        rainbow-planet = localLib.mkNixosHost {
-          hostname = "rainbow-planet";
-          additionalModules = [
-            inputs.nixos-cosmic.nixosModules.default
-            inputs.nixos-hardware.nixosModules.dell-xps-13-9360
-          ];
-        };
+        # This machines is currently running Ubuntu and
+        # configured with home-manager only.
+        #
+        #rainbow-planet = localLib.mkNixosHost {
+        #  hostname = "rainbow-planet";
+        #  additionalModules = [
+        #    inputs.nixos-cosmic.nixosModules.default
+        #    inputs.nixos-hardware.nixosModules.dell-xps-13-9360
+        #  ];
+        #};
       }; # end nixosConfigurations
 
       # Home Manager (only) users