diff --git a/profiles/base/package.mask b/profiles/base/package.mask
index 320a6bbb1a0c9..d1b033f55ac94 100644
--- a/profiles/base/package.mask
+++ b/profiles/base/package.mask
@@ -1,2 +1,7 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
+
+# Andreas Sturmlechner <asturm@gentoo.org> (15 Jul 2018)
+# Old ICU is unsupported. ICU 58 only remains for 13.0 based profiles.
+<dev-libs/icu-59
+<dev-libs/icu-layoutex-59
diff --git a/profiles/releases/13.0/package.mask b/profiles/releases/13.0/package.mask
index 1df5dca362c31..378422f5160e0 100644
--- a/profiles/releases/13.0/package.mask
+++ b/profiles/releases/13.0/package.mask
@@ -1,6 +1,11 @@
 # Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+# Andreas Sturmlechner <asturm@gentoo.org> (15 Jul 2018)
+# Unmask ICU 58 only for 13.0 based profiles
+-<dev-libs/icu-59
+-<dev-libs/icu-layoutex-59
+
 # Patrick McLean <chutzpah@gentoo.org> (10 Jul 2018)
 # requires >=nodejs-8.10 which is not available in 13.0 based profiles.
 # Please migrate to one of the 17.0 release profiles