code: function () {
  		var annotation = this,
  			chart = this.chart,
  			allItems = chart.annotations.allItems,
  			index = allItems.indexOf(annotation);
  
  		if (index > -1) {
  			allItems.splice(index, 1);
  		}
  
  		each(['title', 'shape', 'group'], function (element) {
  			if (annotation[element]) {
  				annotation[element].destroy();
  				annotation[element] = null;
  			}
  		});
  
  		annotation.group = annotation.title = annotation.shape = annotation.chart = annotation.options = null;
  	}
docs: /*
  Destroy the annotation