diff --git a/pkgs/development/python-modules/subarulink/default.nix b/pkgs/development/python-modules/subarulink/default.nix
index 47918d96bbbb..fc0e7c9d8ece 100644
--- a/pkgs/development/python-modules/subarulink/default.nix
+++ b/pkgs/development/python-modules/subarulink/default.nix
@@ -5,6 +5,7 @@
   cryptography,
   fetchFromGitHub,
   pytest-asyncio,
+  pytest-cov-stub,
   pytestCheckHook,
   pythonOlder,
   setuptools,
@@ -35,14 +36,10 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     cryptography
     pytest-asyncio
+    pytest-cov-stub
     pytestCheckHook
   ];
 
-  postPatch = ''
-    substituteInPlace setup.cfg \
-      --replace "--cov=subarulink" ""
-  '';
-
   __darwinAllowLocalNetworking = true;
 
   preCheck = ''