Cravath, Swaine & Moore has confirmed that it is moving its New York headquarters to a new office tower, Two Manhattan West, in five years, a significant change for the Wall Street firm, which has been at its current location at Worldwide Plaza in Midtown for 30 years.

The move means Cravath is moving to a somewhat smaller footprint, in line with legal industry trends that favor reducing attorney office space and eliminating space for huge law libraries. In a Friday announcement, Cravath said it will anchor the building, occupying 13 full floors at Brookfield Properties’ Two Manhattan West—floors 25 through 37—covering about 481,000 square feet.