Yes absolutely, no worries as I said I genuinely thought I'd either included these but I must've re-used the original ones to go back to standard.
It looks like it's too late to say about the brakes being new as you've already gone to the bother of stripping them down I have a set of seals for the bigger diameter pistons, as I was going to strip down the old calipers but found it easier to pit stop with new calipers as it was quicker/easier.