Have option to delete multiple rows one time all together on my draft invoice

I would like have select multiple rows one time all together and delete them on my draft invoice. for example for pool useg we have 5 days a week use and draft invoice automatically set a price for the space used and I adding additional fees on each day then create the draft invoice but on the adjustment I required to remove some charges for all 5 days (for the whole month) I would like to delete them all one time