diff --git a/lms/static/js/wiki/accessible.js b/lms/static/js/wiki/accessible.js
index a00597bfd9..90a647ceaa 100644
--- a/lms/static/js/wiki/accessible.js
+++ b/lms/static/js/wiki/accessible.js
@@ -4,10 +4,8 @@
 
 (function() {
   var keyMap = CodeMirror.keyMap.accessible = {
-    "Alt-Tab": "insertTab",
-    "Alt-Shift-Tab": "insertTab",
     "Tab": false,
     "Shift-Tab": false, 
     fallthrough: "default"
   };
-})();
\ No newline at end of file
+})();