diff --git a/setup.py b/setup.py
index 9bc1247..0fa2933 100755
--- a/setup.py
+++ b/setup.py
@@ -175,7 +175,6 @@ def run(self):
         'Topic :: Utilities',
         'Topic :: System :: Distributed Computing',
         'Topic :: Scientific/Engineering',
-        'Operating System :: MacOS :: MacOS X',
         'Operating System :: POSIX',
         'Operating System :: Unix'
     ],