diff --git a/profiles/package.mask b/profiles/package.mask
index e33d510b88e12..f0c9f8ccb43b6 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -30,6 +30,12 @@
 
 #--- END OF EXAMPLES ---
 
+# Patrice Clement <monsieurp@gentoo.org> (24 Sep 2015)
+# This package was never marked stable 
+# and is relying on an old version of JavaCC.
+# Masked for removal in 30 days. See bug 561410.
+dev-db/derby
+
 # Dion Moult <moult@gentoo.org> (24 Sep 2015)
 # Masked for removal in 30 days. Bug #466724
 # Heavily out of date. Use sci-chemistry/icm