diff --git a/pkgs/development/python-modules/cssutils/default.nix b/pkgs/development/python-modules/cssutils/default.nix
index 5ee348f77dd1..1cc7266a5e85 100644
--- a/pkgs/development/python-modules/cssutils/default.nix
+++ b/pkgs/development/python-modules/cssutils/default.nix
@@ -1,7 +1,6 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
   fetchFromGitHub,
   setuptools-scm,
   more-itertools,
@@ -10,7 +9,6 @@
   lxml,
   mock,
   pytestCheckHook,
-  importlib-resources,
 }:
 
 buildPythonPackage rec {
@@ -35,8 +33,7 @@ buildPythonPackage rec {
     lxml
     mock
     pytestCheckHook
-  ]
-  ++ lib.optionals (pythonOlder "3.9") [ importlib-resources ];
+  ];
 
   disabledTests = [
     # access network