1 files changed, 0 insertions, 17 deletions
diff --git a/js/src/index.js b/js/src/index.js
index 0c662873d..aa35ed07b 100644
--- a/js/src/index.js
+++ b/js/src/index.js
@@ -3,9 +3,7 @@ import Button from './button'
 import Carousel from './carousel'
 import Collapse from './collapse'
 import Dropdown from './dropdown'
-import EventHandler from './dom/eventHandler'
 import Modal from './modal'
-import Polyfill from './dom/polyfill'
 import Popover from './popover'
 import ScrollSpy from './scrollspy'
 import Tab from './tab'
@@ -20,21 +18,6 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-/* istanbul ignore next */
-// focusin and focusout polyfill
-if (Polyfill.focusIn) {
-  (() => {
-    function listenerFocus(event) {
-      EventHandler.trigger(event.target, 'focusin')
-    }
-    function listenerBlur(event) {
-      EventHandler.trigger(event.target, 'focusout')
-    }
-    EventHandler.on(document, 'focus', 'input', listenerFocus)
-    EventHandler.on(document, 'blur', 'input', listenerBlur)
-  })()
-}
-
 export {
   Util,
   Alert,