Is it permissible to pay off an usurious loan with usurious money obtained from a company's savings scheme?

It is forbidden to participate in Aramco's savings plan. The participant must withdraw his money and dispose of the usurious interest by spending it on public welfare, and he is not allowed to benefit from it himself. However, if the participant repents from usury, resolves not to return to it, and is in need of some of the forbidden usurious funds, it is permissible for him to take what he needs from it, especially if he acquired the usury without knowing its prohibition, and he should donate the rest. As for continuing to deal with usury for the purpose of benefiting from the interest, it is not permissible.