Can RIOT pls take out the AUTOFILL in ranked games

pls riot desactive the autofill in ranked just in ranked. lets put a Ex. i am in my promo and want to play adc but the auto gave me jungle or mid, in wich i am bad at them having not a fun game losing my promo and mad because i wanted a good game but the autofill in ranked ruined to me. its fine in normal it works to practice something different but not in ranked even if takes long the autofill is making it worst for some other players