" Quite simply, I'd say: "I would like to eliminate that tick that's been biting me all day." I would not say: "I must be free from that tick." And that is why I'd use "rid of" with a cold, rather than "free" (it does not matter whether or not https://freeinsulationinuk.blogspot.com/2025/07/boiler-upgrade-scheme-cavity-wall.html