diff --git a/src/renderers/dom/client/wrappers/AutoFocusUtils.js b/src/renderers/dom/client/wrappers/AutoFocusUtils.js
index 3e168a15ad..0cc675d3e4 100644
--- a/src/renderers/dom/client/wrappers/AutoFocusUtils.js
+++ b/src/renderers/dom/client/wrappers/AutoFocusUtils.js
@@ -14,20 +14,9 @@
 
 var ReactMount = require('ReactMount');
 
-var findDOMNode = require('findDOMNode');
 var focusNode = require('focusNode');
 
-var Mixin = {
-  componentDidMount: function() {
-    if (this.props.autoFocus) {
-      focusNode(findDOMNode(this));
-    }
-  },
-};
-
 var AutoFocusUtils = {
-  Mixin: Mixin,
-
   focusDOMComponent: function() {
     focusNode(ReactMount.getNode(this._rootNodeID));
   },