diff --git a/lib/resolve/UnitOfWork.js b/lib/resolve/UnitOfWork.js
index f4526f9b..87c6ce46 100644
--- a/lib/resolve/UnitOfWork.js
+++ b/lib/resolve/UnitOfWork.js
@@ -15,7 +15,6 @@ var UnitOfWork = function (options) {
     // Initialize some needed properties
     this._queue = [];
     this._beingResolved = [];
-    this._beingResolvedEndpoints = {};
 };
 
 util.inherits(UnitOfWork, events.EventEmitter);