diff --git a/setup.cfg b/setup.cfg
index 815c519..a7b0c8c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,6 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
     Programming Language :: Python :: 3.5
 
 [files]