How do you remove the wiper arms on a 1993 Oldsmobile?

Assuming that you mean "wiper blade" (blade and frame) which are replaced often rather than "wiper arm" (piece from the spindle at the hood to the wiper blade) which are rarely ever replaced. Also, this question can't be answered exactly without the model of the vehicle. That said, most Oldsmobiles that year have either standard hook end arms or side lock arms. See Sources and Related Links below for videos and wiper blade info.