diff --git a/setup.py b/setup.py
index 674a40ad..565dda8a 100644
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,6 @@ classifiers = """\
 Development Status :: 5 - Production/Stable
 Intended Audience :: Developers
 License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)
-License :: OSI Approved :: Zope Public License
 Programming Language :: Python
 Programming Language :: Python :: 2
 Programming Language :: Python :: 2.7