diff --git a/static/third/bootstrap-typeahead/typeahead.js b/static/third/bootstrap-typeahead/typeahead.js
index a4ab2ec3e7..40b6a3bf46 100644
--- a/static/third/bootstrap-typeahead/typeahead.js
+++ b/static/third/bootstrap-typeahead/typeahead.js
@@ -475,11 +475,6 @@ import {get_string_diff} from "../../js/util";
           }
           break
 
-        // to stop typeahead from showing up momentarily
-        // when shift + tabbing to a field with typeahead
-        case 16: // shift
-          break
-
         default:
           var hideOnEmpty = false
           if (e.keyCode === 8 && this.options.helpOnEmptyStrings) { // backspace