diff --git a/setup.py b/setup.py
index 2e2478d91c402780b0b692c2de436315bfe7742f..412d4764835d8f5da86c7873280b87bea30f4e71 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,6 @@ setup(name="pytools",
           'License :: OSI Approved :: MIT License',
           'Natural Language :: English',
           'Programming Language :: Python',
-          'Programming Language :: Python',
           'Programming Language :: Python :: 3',
           'Programming Language :: Python :: 3.6',
           'Programming Language :: Python :: 3.7',