diff --git a/launch/default.nix b/launch/default.nix
index 9a533dd8..8d01c0ef 100644
--- a/launch/default.nix
+++ b/launch/default.nix
@@ -4,7 +4,7 @@
   pkgs ? import sources.nixpkgs {
     inherit system;
   },
-}@args:
+}:
 let
   inherit (pkgs) lib;
 in
@@ -16,7 +16,12 @@ in
       (import ./tf.nix { inherit lib pkgs; })
     ];
   };
+
+  # re-export inputs so they can be overridden granularly
+  # (they can't be accessed from the outside any other way)
+  inherit
+    sources
+    system
+    pkgs
+    ;
 }
-# re-export inputs so they can be overridden granularly
-# (they can't be accessed from the outside any other way)
-// args
diff --git a/panel/default.nix b/panel/default.nix
index e8b95a6a..767802be 100644
--- a/panel/default.nix
+++ b/panel/default.nix
@@ -6,7 +6,7 @@
     config = { };
     overlays = [ (import ./nix/overlay.nix) ];
   },
-}@args:
+}:
 let
   inherit (pkgs) lib;
   manage = pkgs.writeScriptBin "manage" ''
@@ -36,7 +36,12 @@ in
 
   module = import ./nix/configuration.nix;
   tests = pkgs.callPackage ./nix/tests.nix { };
+
+  # re-export inputs so they can be overridden granularly
+  # (they can't be accessed from the outside any other way)
+  inherit
+    sources
+    system
+    pkgs
+    ;
 }
-# re-export inputs so they can be overridden granularly
-# (they can't be accessed from the outside any other way)
-// args