" Put simply, I'd personally say: "I want to get rid of that tick that's been biting me all day." I would not say: "I need to be free from that tick." And that is why I'd personally use "rid of" with a chilly, instead of "free" (it doesn't matter https://freeinsulationscotland.news.blog/2025/07/20/home-energy-scotland-grant-free-insulation-what-you-need-to-know/