iOS 8 UITableView separator inset 0 not working

http://stackoverflow.com/questions/25770119/ios-8-uitableview-separator-inset-0-not-working

[cell setSeparatorInset:UIEdgeInsetsZero];
[cell setPreservesSuperviewLayoutMargins:NO];
[cell setLayoutMargins:UIEdgeInsetsZero];

[self.tableView setSeparatorInset:UIEdgeInsetsZero];
[self.tableView setLayoutMargins:UIEdgeInsetsZero];


http://stackoverflow.com/questions/22224700/change-color-of-inset-area-in-uitableview-separator
cell.backgroundColor = cell.contentView.backgroundColor;