obsolescence
state of being which occurs when an object, service, or practice is no longer wanted even though it may still be in good working order
en-GB/ˌɒbsəˈlɛsəns/
en-US/ˌɑbsəˈlɛsəns/
state of being which occurs when an object, service, or practice is no longer wanted even though it may still be in good working order