" To Paraphrase, I'd personally say: "I need to get rid of that tick that's been biting me all day." I would not say: "I should be free from that tick." And that is why I would use "rid of" with a chilly, instead of "free" (it does not matter https://eco4grants.game.blog/2025/06/19/future-proof-your-home-comfort-discover-energy-grants-uk-today/