diff --git a/lib/6to5/traverse/scope.js b/lib/6to5/traverse/scope.js
index 420c656b8b..6dd2433739 100644
--- a/lib/6to5/traverse/scope.js
+++ b/lib/6to5/traverse/scope.js
@@ -12,7 +12,6 @@ function Scope(parent, block) {
 
   this.info         = this.getInfo();
   this.declarations = this.info.declarations;
-  this.references   = this.info.references;
 }
 
 Scope.prototype.getInfo = function () {