diff --git a/po/ja.po b/po/ja.po
index ce5441fcbe..731657d690 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: LGPL-2.1+
 #
 # Japanese translation for systemd.
-# Yu Watanabe <watanabe.yu+github@gmail.com>, 2018.
 #
 msgid ""
 msgstr ""