@RequiresEdt
  protected void destroyEditorListeners() {
    getEditor(Side.LEFT).getScrollingModel().removeVisibleAreaListener(myVisibleAreaListener);
    getEditor(Side.RIGHT).getScrollingModel().removeVisibleAreaListener(myVisibleAreaListener);

    mySyncScrollSupport = null;
  }
@RequiresEdt
  protected void destroyEditorListeners()