diff --git a/src/m_perfstats.c b/src/m_perfstats.c
index 253d9fb6821ee8db766f6e0acde049092677f353..f8ee4cf66424116c75e6ca40f86d986c6e210e55 100644
--- a/src/m_perfstats.c
+++ b/src/m_perfstats.c
@@ -1,7 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2020 by Sonic Team Junior.
+// Copyright (C) 2020 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_perfstats.h b/src/m_perfstats.h
index 7248b078aaee37b84899405e8748e2ffbae19fe3..b2a283c5a9b8f826f06eed4f18d3f9bd6e9e553b 100644
--- a/src/m_perfstats.h
+++ b/src/m_perfstats.h
@@ -1,7 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2020 by Sonic Team Junior.
+// Copyright (C) 2020 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.