diff --git a/pkgs/development/python-modules/pillow-jxl-plugin/default.nix b/pkgs/development/python-modules/pillow-jxl-plugin/default.nix
index c5baea6da8cf..c3fe28f902ba 100644
--- a/pkgs/development/python-modules/pillow-jxl-plugin/default.nix
+++ b/pkgs/development/python-modules/pillow-jxl-plugin/default.nix
@@ -17,7 +17,6 @@ buildPythonPackage (finalAttrs: {
   pname = "pillow-jxl-plugin";
   version = "1.3.8";
   pyproject = true;
-  __structuredAttrs = true;
 
   # Contains Cargo.lock
   src = fetchPypi {