" Quite simply, I'd personally say: "I need to remove that tick which is been biting me all day long." I would not say: "I have to be free from that tick." And that's why I might use "rid of" with a chilly, instead of "free" (it doesn't matter no https://sites.google.com/view/free-insulation-scotland/top-qualities-of-top-agencies-while-applying-for-loft-insulation-grant-for