iOS 7 tabBar-line, how to remove it?

Question

Apple has added a tiny line over the tabBar in iOS 7 which is supposed to work as a shadow or fade between the tabBar and the UI

Answer 1

    UIImage* tabBarBackground = [UIImage imageNamed:@"tabbar_bg.png"];
    [[UITabBar appearance] setShadowImage:tabBarBackground];
    [[UITabBar appearance] setBackgroundImage:tabBarBackground];