could use a visual marking like HP Smart Print, to mark the unwanted elements, then a preview mode to see the final result...
instantly removing elements causes annoyance when there are several undo-steps to make.
Sometimes, some elements can be removed unintentionally, or the use can change their mind about one previously removed element.
In this current situation, to restore one element, has to undo everything and redo all the operations while skipping that one element...