diff --git a/setup.py b/setup.py
index 96cd6b33d17f..95e05a67d258 100644
--- a/setup.py
+++ b/setup.py
@@ -125,7 +125,6 @@
     'Programming Language :: Python',
     'Programming Language :: Python :: 2.7',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.3',
     'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',