code: function(){
      if (!this.ui || !this._uiBindings){ return; }
  
      // delete all of the existing ui bindings
      _.each(this.ui, function($el, name){
        delete this.ui[name];
      }, this);
  
      // reset the ui element to the original bindings configuration
      this.ui = this._uiBindings;
      delete this._uiBindings;
    }
docs: This method unbinds the elements specified in the "ui" hash