diff --git a/src/lib/bind/accessors.html b/src/lib/bind/accessors.html
index 405bcfcdd4..68f2b3355c 100644
--- a/src/lib/bind/accessors.html
+++ b/src/lib/bind/accessors.html
@@ -11,8 +11,6 @@
 
   Polymer.Bind = {
 
-    _dataEventCache: {},
-
     // for prototypes (usually)
     prepareModel: function(model) {
       Polymer.Base.mixin(model, this._modelApi);