diff --git a/profiles/package.mask b/profiles/package.mask
index 35ac785d0..fa5f1b8a4 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -2,3 +2,7 @@
 # The newest version is in ::gentoo now, please use that instead. Masked for
 # removal in 30 days.
 games-simulation/simutrans
+
+# tastytea <gentoo@tastytea.de> (2020-11-16)
+# Unmaintained. Use dev-cpp/mastodonpp instead. Masked for removal in 30 days.
+dev-cpp/mastodon-cpp