diff --git a/pkgs/development/python-modules/frictionless/default.nix b/pkgs/development/python-modules/frictionless/default.nix
index 95962afd69f0..875d88119ace 100644
--- a/pkgs/development/python-modules/frictionless/default.nix
+++ b/pkgs/development/python-modules/frictionless/default.nix
@@ -47,8 +47,6 @@
 
   # Tests
   pytestCheckHook,
-  pytest-cov,
-  pytest-dotenv,
   pytest-lazy-fixtures,
   pytest-mock,
   pytest-timeout,
@@ -73,6 +71,12 @@ buildPythonPackage rec {
     hash = "sha256-svspEHcEw994pEjnuzWf0FFaYeFZuqriK96yFAB6/gI=";
   };
 
+  postPatch = ''
+    substituteInPlace frictionless/conftest.py \
+      --replace-fail "from pytest_cov.embed import cleanup_on_sigterm" "" \
+      --replace-fail "cleanup_on_sigterm()" ""
+  '';
+
   build-system = [
     hatchling
   ];
@@ -179,8 +183,6 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     pytestCheckHook
-    pytest-cov
-    pytest-dotenv
     pytest-lazy-fixtures
     pytest-mock
     pytest-timeout