" Put Simply, I'd say: "I need to eliminate that tick that is been biting me all day long." I would not say: "I must be free from that tick." And that's why I might use "rid of" with a cold, in lieu of "free" (it does not matter no https://energysavinggrants.water.blog/2025/07/20/government-grant-insulation-scheme-save-energy-cut-costs-now/