diff --git a/profiles/arch/arm64/package.use.mask b/profiles/arch/arm64/package.use.mask
index 4e23c66dc1ad4..0095e26e090ed 100644
--- a/profiles/arch/arm64/package.use.mask
+++ b/profiles/arch/arm64/package.use.mask
@@ -1,10 +1,6 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-# Michał Górny <mgorny@gentoo.org> (20 Mar 2019)
-# sci-mathematics/z3 is not keyworded here.
-sys-devel/clang z3
-
 # Roy Bamford <neddyseagoon@gentoo.org> (19 Mar 2019)
 # Let kde-apps/akonadi use mysql.
 dev-qt/qtsql -mysql