diff --git a/pyproject.toml b/pyproject.toml
index 31ac9ec7bc..24f7b99713 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,3 +74,7 @@ devel = [
 [build-system]
 requires = ["setuptools>=80,<81", "babel==2.12.1"]
 build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+python_files = ["test_*.py", "*_test.py", "*Test.py"]
+testpaths = ["cmstestsuite/unit_tests"]
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index ef55d7e985..0000000000
--- a/pytest.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[pytest]
-python_files = test_*.py *_test.py *Test.py