Exactly what is the trustee doing? The fact of the matter is that the trust, as a grantor trust, is indistinguishable from you for federal income tax purposes.
There are a few scenarios here one of which would be where you're paying someone to manage your rental property or properties. If that's the case, a management fee could be deducted from your rental income. Similarly, the fee could be deducted if the individual you are paying is managing or running an actual business.
If, however, the trustee appointed is doing nothing more than overseeing your investments (e.g., an investment advisor), then that fee would not be deductible in whole or in part.