diff --git a/flake.nix b/flake.nix
index 69240f1..ff38c54 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,6 +23,7 @@
         {
           pkgs,
           system,
+          self',
           ...
         }:
         {
@@ -31,7 +32,7 @@
               agenix.packages.${system}.default
               just
               nh
-              nixfmt-rfc-style
+              self'.formatter
               statix
             ];
           };
diff --git a/secrets/etna/cobaltTokens.age b/secrets/etna/cobaltTokens.age
deleted file mode 100644
index df836b4..0000000
--- a/secrets/etna/cobaltTokens.age
+++ /dev/null
@@ -1,14 +0,0 @@
------BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAxTXVmYUVDZC90NzIxdUZk
-aE5Vb2FsZXJadk5YY2tuV2lvNW5uWGJSUXcwCkUxQkRQU3BGN0JkVVVEdEdMQXcy
-aFh4emtxSjFjK0M1TmQ2OW1EcXBlNE0KLT4gWDI1NTE5IEd4OHVhcmtVMitaRUVs
-SHVDN0dpbzM5Skt4cmtnT1Z2L1gxalpJck9KR1kKNkx0dVc3RHhIZERPTE5oVzFV
-NzhFSXBmbEt0cWh0OTNQNE85VVpnVnFNawotPiBYMjU1MTkgOGpKWFg3ck1ENzB4
-SHBkeURkaE9jcGFJSWN2QjJSQTlod01aUHl6UUxHSQpJUWJ4cjJ0OTdQdUw3TGls
-RmtNSEw3UGhiOWRXZnFYQytCK3QwcmZFaFBBCi0+IFgyNTUxOSBzd3F5dU5TVkZN
-NmRyWWVNeU1LRFdnL0NiUGJPOHZyWXZCODhUK201d3hNClR3TTAzSHZ4REdLZkxo
-SVZZeTBnQS9tNjlhQzAzRGcyVndzMEU1dHpHNGMKLS0tIEJPQjRvYU5HckhieTFy
-ZWw0MENGV0dUSDZ6b2F5MEFxYzV5S3ExM1hycTQKHWh2QjrHIxM6QCq9vIiXw/KX
-Td1VG2OTZvAD/vYo5EwDGs6w4vM82hlIc1FYbW2nrp+YkhT+47Kxzoq5bGCb96U0
-t867urC9eoJLV9d9Kt1g9PKCMJVh/9/BBaMsTMFqGquIZMfRHlmD+ZquJUw=
------END AGE ENCRYPTED FILE-----
diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index 32c3e24..d92b862 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -40,5 +40,4 @@ in
   "etna/vaultwardenEnv.age".publicKeys = main ++ [ etna ];
   "etna/vmauthEnv.age".publicKeys = main ++ [ etna ];
   "etna/upsdUserPass.age".publicKeys = main ++ [ etna ];
-  "etna/cobaltTokens.age".publicKeys = main ++ [ etna ];
 }
diff --git a/systems/etna/cobalt.nix b/systems/etna/cobalt.nix
deleted file mode 100644
index 94d1619..0000000
--- a/systems/etna/cobalt.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{ config, _utils, ... }:
-let
-  tokens = _utils.setupSingleSecret config "cobaltTokens" { };
-in
-{
-  imports = [ tokens.generate ];
-
-  cfTunnels."cobalt.uku3lig.net" = "http://localhost:9000";
-
-  virtualisation.oci-containers.containers.cobalt = {
-    image = "ghcr.io/imputnet/cobalt:10";
-    user = "root:root";
-    ports = [ "9000:9000/tcp" ];
-    volumes = [ "${tokens.path}:/keys.json:ro" ];
-    environment = {
-      API_URL = "https://cobalt.uku3lig.net";
-      API_AUTH_REQUIRED = "1";
-      API_KEY_URL = "file:///keys.json";
-    };
-  };
-}
diff --git a/systems/etna/default.nix b/systems/etna/default.nix
index 2a51dbd..db583cc 100644
--- a/systems/etna/default.nix
+++ b/systems/etna/default.nix
@@ -28,7 +28,6 @@ in
     secrets.generate
     cfTunnelSecret.generate
 
-    ./cobalt.nix
     ./dendrite.nix
     ./forgejo.nix
     ./immich.nix