Sega is delisting a bunch of its classic games for modern devices. The company posted an FAQ on its website (via Eurogamer), breaking down the Sega Classics games each platform will lose next month. The collection includes some of the publisher’s golden oldies,

Sega is set to delist a huge swathe of its classic back catalog games from digital storefronts in December, including the Sega Genesis Classics collection and several much-loved games from the Dreamcast era. According to a FAQ on the Sega support website, the games will become unavailable for purchase just before midnight PST on Dec. 6.

A bunch of classic Sega titles will leave Steam, PlayStation, Xbox, and Switch in early December, but not if you already own them.