Del. Code tit. 10, § 2101

The Sheriffs of New Castle, Kent and Sussex Counties shall only receive compensation for the performance of their official duties in the form of an annual salary as fixed by their representative county governments. The New Castle County government, the Kent County Levy Court, and the Sussex County Council shall set the annual salaries for each representative sheriff. The sheriffs shall henceforth not be allowed to keep or retain as additional compensation any fees, costs, allowances and other perquisites paid to or collected by them for any service rendered by them as county officers or rendered by them in the name of their office.