diff --git a/src/core/ReactInputSelection.js b/src/core/ReactInputSelection.js
index f680717277..b1d9abfd22 100644
--- a/src/core/ReactInputSelection.js
+++ b/src/core/ReactInputSelection.js
@@ -20,17 +20,9 @@
 
 var ReactDOMSelection = require('ReactDOMSelection');
 
+var getActiveElement = require('getActiveElement');
 var nodeContains = require('nodeContains');
 
-// It is not safe to read the document.activeElement property in IE if there's
-// nothing focused.
-function getActiveElement() {
-  try {
-    return document.activeElement;
-  } catch (e) {
-  }
-}
-
 function isInDocument(node) {
   return nodeContains(document.documentElement, node);
 }