diff --git a/IPython/core/release.py b/IPython/core/release.py
index d1f6049..cb70d77 100644
--- a/IPython/core/release.py
+++ b/IPython/core/release.py
@@ -114,10 +114,6 @@ classifiers = [
     'License :: OSI Approved :: BSD License',
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.4',
-    'Programming Language :: Python :: 3.5',
-    'Programming Language :: Python :: 3.6',
-    'Programming Language :: Python :: Only',
-    'Programming Language :: Python :: Implementation :: CPython',
+    'Programming Language :: Python :: 3 :: Only',
     'Topic :: System :: Shells'
     ]