Conceptions of desert and responsibility have had a powerful influence in justifying economic inequality. Currently, they are being reaffirmed in policies advocated by the centre left in Britain. In contrast, luck egalitarianism, one of the dominant theoretical positions in contemporary political philosophy, puts equality at the top of the agenda and notoriously undermines traditional notions of desert and rejects the conception of personal responsibility on which traditional ideas rely. Although luck egalitarians are sceptical about desert and redefine responsibility to reduce (...) its role in arguments for just distribution, they nevertheless retain a commitment to holding people responsible for the distributive consequences of what they freely choose to do. They attempt to demonstrate that equality can be reconciled with responsibility. I will argue that luck egalitarians have not gone far enough in eliminating desert and responsibility from the armoury of social justice, and that their own arguments should have led them to do so. My aim in this article is to push the ideas implicit in luck egalitarian's arguments to their logical conclusion. I argue that for practical and conceptual reasons, they should have formulated their theories as though hard determinism is true, or nearly true, even if it is not. Denying the pertinence of judgements of desert and responsibility to questions of distributive justice removes an obstacle to egalitarian aims by suggesting a more egalitarian distribution than one that is hostage to voluntary choice. It could be accepted that luck egalitarianism cannot accommodate the concept of personal responsibility without accepting the conclusion that considerations of responsibility should be abandoned. However, any plausible account of responsibility would demonstrate that existing inequalities are undeserved, and that these inequalities make a mockery of politicans current emphasis on personal responsibility. (shrink)