diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,6 @@ setup(name='django-mathfilters',
           'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
-          'Programming Language :: Python :: Implementation :: PyPy3',
           'Topic :: Internet :: WWW/HTTP',
           'Topic :: Software Development :: Libraries :: Python Modules',
           ],
PyPI doesn't like the PyPy3 classifier