profitless

kannattamaton not yielding profit
1600, Shakespeare, Much Ado About Nothing, http://books.google.com/books?id=2Bs-AQAAIAAJ&pg=PA85&lpg=PA85&dq=profitless+shakespeare+much+ado+about+nothing&source=bl&ots=v6uUj5WO9y&sig=S9PwJ9Pr2ZPnHLa19vMJ3-cWXkg&hl=en&sa=X&ei=TGl1UO_rCuGSyQHY5ICADg&ved=0CDAQ6AEwAAv=onepage&q=profitless%20shakespeare%20much%20ado%20about%20nothing&f=false:

I pray thee, cease thy counsel,

Which falls into mine ears as profitless

As water in a sieve...