Unimprint

Even more importantly: the psychoanalytic method of showing him the origins of his “imprinting” would hardly help unimprint him; […]

Once ducklings are imprinted on someone or something, it's virtually impossible to unimprint them. Another feature of imprinting is that it must take place soon after the duckling is hatched or it won't take place at all.

The MWRC animal care specialists attempted to unimprint the coyotes first by limiting their human contact and putting them with other wild coyotes. The hand-raised coyotes, however, were ostracized by the wild coyotes […]