diff --git a/.mailmap b/.mailmap
index b7927d840cfe7c..a4e81378e2c2d7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -393,7 +393,7 @@ Surya Panikkal <surya.com@gmail.com> suryagh <surya.com@gmail.com>
 Taehee Kang <hugnosis@gmail.com> hugnosis <hugnosis@gmail.com>
 Tanuja-Sawant <f2013658@goa.bits-pilani.ac.in> <thinkbigtanu@gmail.com>
 Taylor Woll <taylor.woll@microsoft.com> taylor.woll <tawoll@ntdev.microsoft.com>
-Thomas Watson Steen <w@tson.dk> Thomas Watson <w@tson.dk>
+Thomas Watson <w@tson.dk>
 Timothy O. Peters <timotewpeters@gmail.com>
 Timur Shemsedinov <timur.shemsedinov@gmail.com> tshemsedinov <timur.shemsedinov@gmail.com>
 Ting Shao <ting.shao@intel.com>
diff --git a/AUTHORS b/AUTHORS
index 38e67e18f3b3d9..21b082f907b51b 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1168,7 +1168,7 @@ Yoshiya Hinosawa <stibium121@gmail.com>
 Syuhei Kobayashi <nanocloudx@gmail.com>
 YutamaKotaro <california.dreamin.never.die@gmail.com>
 MURAKAMI Masahiko <fossamagna2@gmail.com>
-Thomas Watson Steen <w@tson.dk>
+Thomas Watson <w@tson.dk>
 Daijiro Yamada <yamad@daiji.ro>
 Kelvin Jin <kelvinjin@google.com>
 Mitsuo Utano <utano320@gmail.com>