there has been no recent scientific discovery or observation indicating that Saturn's rings have disappeared. Therefore, there is no direct effect on Uranus' rings based on the disappearance of Saturn's rings.
Uranus does have its own set of rings, which were discovered in 1977. However, Uranus' rings are significantly different from Saturn's rings. They are much darker and less extensive compared to Saturn's bright and prominent ring system. Uranus' rings consist mainly of small, dark particles, which are likely composed of water ice mixed with other dark materials. They are also believed to be much younger than Saturn's rings.
It's important to note that celestial bodies and their features can change over long periods of time, but there is no evidence to suggest that Uranus' rings have vanished or been affected by any recent events related to Saturn's rings. Scientific knowledge and observations can change with time, so it's always good to consult the most up-to-date information from reliable sources or scientific publications for the latest understanding of planetary ring systems.