How to remove black shadow from navigationBar?

UINavigation bar increased height from 88 to 132 in iPhone X. Auto added VisualEffectview which has blurred effect

It is _UIVisualEffectSubview added automatically which is increasing the size of UINavigationBar.

It happens when UIViewController set as a navigation root controller and on push or present view controller display the normal navigation bar.

How to remove a black VisualEffectView from the navigation bar?