" Basically, I might say: "I need to get rid of that tick that is been biting me all day." I wouldn't say: "I need to be free from that tick." And that's why I might use "rid of" with a chilly, as an alternative to "free" (it doesn't matter https://boilerreplacementgrant.blogspot.com/2024/09/how-to-uplift-your-lifestyle-with-eco-4.html