diff --git a/profiles/package.mask b/profiles/package.mask
index a6c3be776a1dd..b2172e4739106 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -30,6 +30,11 @@
 
 #--- END OF EXAMPLES ---
 
+# Patrice Clement <monsieurp@gentoo.org> (21 Feb 2016)
+# Part of the JDK since 1.5. No reason to exist anymore.
+# Removal in 30 days. See bug #544038.
+dev-java/concurrent-util
+
 # James Le Cuirot <chewi@gentoo.org> (19 Feb 2016)
 # Upstream EOL is December 2016. We would rather focus on other things
 # than support it until then. Removal in 30 days.