diff --git a/ui/jquery.ui.widget.js b/ui/jquery.ui.widget.js
index f4805fb757..5c945c2f24 100644
--- a/ui/jquery.ui.widget.js
+++ b/ui/jquery.ui.widget.js
@@ -106,8 +106,6 @@ $.widget = function( name, base, prototype ) {
 		constructor: constructor,
 		namespace: namespace,
 		widgetName: name,
-		// TODO remove widgetBaseClass, see #8155
-		widgetBaseClass: fullName,
 		widgetFullName: fullName
 	});