ABSTRACT
This chapter argues that as an activity forgetting is susceptible to moral obligation. After responding to a worry about whether the moral obligation to perform this activity ever realistically obtains, the chapter presents a tentative account of an important species of the obligation, namely, the moral obligation to forget sensitive information about other agents. It considers the bearing of these reflections on two broad criticisms of a recently affirmed "right to be forgotten" online. The processes of learning, remembering, failing to learn, and forgetting are epistemic in the sense that they characteristically result in epistemic states. The flaw in the nonsense criticism is its assumption that the obligation imposed by the right to be forgotten must be an obligation to be in a certain mental state: the assumption fails to appreciate that this obligation may best be understood as an obligation to do something.
