diff --git a/pkgs/development/python-modules/nettigo-air-monitor/default.nix b/pkgs/development/python-modules/nettigo-air-monitor/default.nix
index ade33b4f29fe..81d80dcd7b2e 100644
--- a/pkgs/development/python-modules/nettigo-air-monitor/default.nix
+++ b/pkgs/development/python-modules/nettigo-air-monitor/default.nix
@@ -36,13 +36,6 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "pytest-runner" ""
-    substituteInPlace setup.cfg \
-      --replace "--cov --cov-report term-missing " ""
-  '';
-
   pythonImportsCheck = [
     "nettigo_air_monitor"
   ];