diff --git a/pkgs/development/interpreters/python/mk-python-derivation.nix b/pkgs/development/interpreters/python/mk-python-derivation.nix
index b79d5325a4f3..6b4db7c9a273 100644
--- a/pkgs/development/interpreters/python/mk-python-derivation.nix
+++ b/pkgs/development/interpreters/python/mk-python-derivation.nix
@@ -415,20 +415,14 @@ let
         inherit
           disabled
           pyproject
+          build-system
+          dependencies
+          optional-dependencies
           ;
       }
       // {
         updateScript = nix-update-script { };
       }
-      // optionalAttrs (dependencies != [ ]) {
-        inherit dependencies;
-      }
-      // optionalAttrs (optional-dependencies != { }) {
-        inherit optional-dependencies;
-      }
-      // optionalAttrs (build-system != [ ]) {
-        inherit build-system;
-      }
       // attrs.passthru or { };
 
       meta = {