diff --git a/AUTHORS b/AUTHORS
index 9d03f51ff..f59b5567e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -32,12 +32,11 @@ New contributors to libchewing:
   Shaform <shaform@gmail.com>
   Chocobo1
   Perry Thompson <contact@ryper.org>
-  Yen Chi Hsuan <yan12125@gmail.com>
   Peter Dave Hello <hsu@peterdavehello.org>
   ShengYenPeng <peter03192003@gmail.com>
   cwlin <halboof@gmail.com>
   Billy Su <billy4195.su@gmail.com>
-  Chih-Hsuan Yen <yan12125@gmail.com>
+  Chih-Hsuan Yen
   Ian Chen <ianre657@gmail.com>
 
 See the file "ChangeLog" for details.