dont change color of cellselected tableview

override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
tableView.deselectRowAtIndexPath(indexPath, animated: true)
}

override func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {
let selectionColor = UIView() as UIView
selectionColor.layer.borderWidth = 1
selectionColor.layer.borderColor = UIColor.blueColor().CGColor
selectionColor.backgroundColor = UIColor.blueColor()
cell.selectedBackgroundView = selectionColor
}