diff --git a/pkgs/development/python-modules/oralb-ble/default.nix b/pkgs/development/python-modules/oralb-ble/default.nix
index 8a8b82ff9ef3..22498f872d6d 100644
--- a/pkgs/development/python-modules/oralb-ble/default.nix
+++ b/pkgs/development/python-modules/oralb-ble/default.nix
@@ -9,6 +9,7 @@
   home-assistant-bluetooth,
   poetry-core,
   pytest-asyncio,
+  pytest-cov-stub,
   pytestCheckHook,
   pythonOlder,
 }:
@@ -27,11 +28,6 @@ buildPythonPackage rec {
     hash = "sha256-e6L8HXpqOAHnEktIJ1N1atC5QXno669W3c/S7cISa48=";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail " --cov=oralb_ble --cov-report=term-missing:skip-covered" ""
-  '';
-
   build-system = [ poetry-core ];
 
   dependencies = [
@@ -44,6 +40,7 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     pytest-asyncio
+    pytest-cov-stub
     pytestCheckHook
   ];