void removeAnimationListener(TabBarSelectionAnimationListener listener)

Stop calling listener methods every time the value or status of the animation changes.

Listeners can be added with addAnimationListener.

Source

void removeAnimationListener(TabBarSelectionAnimationListener listener) {
  _animationListeners.remove(listener);
  _controller
    ..removeStatusListener(listener.handleStatusChange)
    ..removeListener(listener.handleProgressChange);
}