Interim maintenance on Deore calipers?

About to do first ever pad change on my Deore brakes. Looks like one side is just a tiny bit lazier than the other, though nowhere near as bad as my old Avids. Is it worth a blob of mineral oil or red rubber grease on the Pistons before pushing them back in?

Or just clean and leave dry?

Yes

Ta

Nobody was that boffered last time round, but FWIW, a quick rinse around with IPA on a cotton bud has done the job. Lovely and slick now…can almost push Pistons back by hand.