" Put Simply, I would say: "I need to remove that tick which is been biting me all day long." I would not say: "I have to be free from that tick." And that's why I'd personally use "rid of" with a chilly, rather then "free" (no matter no matter https://ecograntscheme.health.blog/2024/09/13/4-steps-to-apply-for-government-grant-for-solar-panels/