This is the solution found here

Add this to viewDidLoad()


if ([self.tableView respondsToSelector:@selector(setSeparatorInset:)])
    [self.tableView setSeparatorInset:UIEdgeInsetsZero];

if ([self.tableView respondsToSelector:@selector(setSeparatorStyle:)])
    [self.tableView setSeparatorStyle:UITableViewCellSeparatorStyleNone];