diff --git a/setup.py b/setup.py
index b2e00d28..c44585fb 100755
--- a/setup.py
+++ b/setup.py
@@ -178,7 +178,6 @@ def run(self):
         'Topic :: Utilities',
         'Topic :: System :: Distributed Computing',
         'Topic :: Scientific/Engineering',
-        'Operating System :: MacOS :: MacOS X',
         'Operating System :: POSIX',
         'Operating System :: Unix'
     ],