diff --git a/setup.py b/setup.py
index 4ce10bf..3fb39cf 100644
--- a/setup.py
+++ b/setup.py
@@ -70,7 +70,6 @@ def read(*rnames):
           'zope.interface',
           'zope.location',
       ],
-      tests_require=TESTS_REQUIRE,
       extras_require={
           'test': TESTS_REQUIRE,
       },