diff --git a/setup.py b/setup.py
index eb32ad6d..5e155856 100644
--- a/setup.py
+++ b/setup.py
@@ -129,10 +129,8 @@ def read(*rnames):
     cmdclass={
         'build_ext': optional_build_ext,
     },
-    test_suite='zope.interface.tests',
     include_package_data=True,
     zip_safe=False,
-    tests_require=tests_require,
     install_requires=['setuptools'],
     python_requires='>=3.8',
     extras_require={