The debit-card fee wasn't the only revenue idea Bank of America shelved late in 2011.

WSJ: Bank of America Weighs New Set of Fees

Instead, many say that the companies that process their debit-card transactions aren't passing on the federally mandated savings, or are raising fees on other services.

WSJ: Debit-Card Fee Cap Has Nasty Side Effect

It decided not to test a plan in which customers who were about to make a debit-card purchase but didn't have enough in their account would have gotten an alert giving them the option of buying overdraft protection.

WSJ: Bank of America Weighs New Set of Fees