Yes, you might have been the "king of making milkshakes" at the restaurant you worked for in high school. But, unless you are planning on redeeming that title, it is time to get rid of all that clutter.
Career expert and founder of career consulting firm Résumé Strategists, Alyssa Gelbard, points out, however, past work experience that might not appear to be directly relevant to the job at hand might show another dimension, depth, ability, or skill that actually is relevant or applicable.
Only include this experience if it really showcases additional skills that can translate to the position you're applying for.