We settle a part of the conjecture by Bandini and Valentino ['On the structure and slopes of Drinfeld cusp forms', Exp. Math. 31(2) (2022), 637-651] for when. We frame and check the conjecture for primes and higher levels, and show that a part of the conjecture for level does not hold if and. © The Author(s), 2022. Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc.