code: function (e) {
  		var chart = e.target,
  			i,
  			elem;
  
  		// Destroy the extra buttons added
  		for (i = 0; i < chart.exportSVGElements.length; i++) {
  			elem = chart.exportSVGElements[i];
  
  			// Destroy and null the svg/vml elements
  			if (elem) { // #1822
  				elem.onclick = elem.ontouchstart = null;
  				chart.exportSVGElements[i] = elem.destroy();
  			}
  		}
  
  		// Destroy the divs for the menu
  		for (i = 0; i < chart.exportDivElements.length; i++) {
  			elem = chart.exportDivElements[i];
  
  			// Remove the event handler
  			removeEvent(elem, 'mouseleave');
  
  			// Remove inline events
  			chart.exportDivElements[i] = elem.onmouseout = elem.onmouseover = elem.ontouchstart = elem.onclick = null;
  
  			// Destroy the div by moving to garbage bin
  			discardElement(elem);
  		}
  	}
docs: Destroy the buttons.