code: public void removeScrollListener(@NonNull final ScrollListener listener) {
          Condition.INSTANCE.ensureNotNull(listener, "The listener may not be null");
          this.scrollListeners.remove(listener);
      }
docs: Removes a specific listener, which should not be notified, when the scroll view is scrolled,
  anymore.
  
  @param listener
  The listener, which should be removed, as an instance of the type {@link
  ScrollListener}. The listener may not be null