We provide a critique of the development in organisation studies of the idea of ‘unlearning’ as allegedly imported from the psychology literature by Hedberg and understood to mean the manageable discard of knowledge precedent to and aiding later learning. We re-review the psychology literature and in contrast to Hedberg, find that this definition of unlearning is not empirically warranted. We re-examine a selection of highly cited articles in the organisational literature that claim to have conducted empirical research into the Hedberg model of unlearning. We find none provide evidence of its existence. Typically, under the label ‘unlearning’ evidence is provided of a conventional process of theory-change, the setting aside (not deletion) o...