Not without replacing it in some form. Attempting to make all financing decisions to be made throughout a modern monetary production economy at the level of national fiscal policy quickly runs into information overload.

We need a banking system so that the fiscal authority can concentrate their attention on those tasks that a banking system cannot or should not be doing.

I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.