diff --git a/backbone.js b/backbone.js
index 1234c060..00323e34 100644
--- a/backbone.js
+++ b/backbone.js
@@ -390,7 +390,7 @@
   Backbone.Collection = function(models, options) {
     options || (options = {});
     if (options.comparator) this.comparator = options.comparator;
-    _.bindAll(this, '_onModelEvent', '_removeReference');
+    _.bindAll(this, '_removeReference');
     this._reset();
     if (models) this.reset(models, {silent: true});
     this.initialize.apply(this, arguments);
@@ -573,7 +573,7 @@
       } else {
         this.models.push(model);
       }
-      model.bind('all', this._onModelEvent);
+      model.bind('all', this._onModelEvent, this);
       this.length++;
       return model;
     },