Warcraft 1 and 2 are being removed from the DRM-free GOG.com at the behest of Blizzard, for sadly obvious reasons.

The digital distribution platform believes in maintaining and preserving classic titles for today's audiences.

GOG has announced that even if games in its recently launched preservation program are delisted from its store, it will maintain compatibility with those games and offer players “a seamless experience and tech support for those titles.