diff --git a/Doc/tools/static/version_switch.js b/Doc/tools/static/version_switch.js
index 8b36a61671831da..e8889ebfc41e7a7 100644
--- a/Doc/tools/static/version_switch.js
+++ b/Doc/tools/static/version_switch.js
@@ -5,8 +5,6 @@
     '3.7': 'dev (3.7)',
     '3.6': '3.6',
     '3.5': '3.5',
-    '3.4': '3.4',
-    '3.3': '3.3',
     '2.7': '2.7',
   };