" Basically, I'd personally say: "I want to remove that tick which is been biting me all day." I would not say: "I have to be free from that tick." And that's why I would use "rid of" with a cold, rather than "free" (it does not matter no matter https://energysavinggrant.blogspot.com/2024/08/what-are-steps-to-apply-for-free.html