Same here. I clean after every round.
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I usually just do a wet towel / brush on the clubfaces immediately after a round.
They get the full 'luxe treatment (including grips) the evening (or morning) before a big round though.
I wipe off irons and wedges after every shot and will clean out the grooves with a tee while walking to my ball if I see a lot of dirt or sand in them. Do a thorough cleaning of everything once a month (8 - 10 rounds).