" Quite simply, I might say: "I want to get rid of that tick that is been biting me all day long." I would not say: "I have to be free from that tick." And that is why I'd personally use "rid of" with a chilly, as an alternative to https://homeinsulationgrant.politics.blog/2025/07/20/solar-energy-grants-uk-government-support-for-greener-homes/