diff --git a/AUTHORS b/AUTHORS
index 08816395c7..81f503ae97 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -25,7 +25,7 @@ Marius Gröger
 MontaVista Software, Inc.
 Nick Barker
 Per Odlund
-Raptor Engineering
+Raptor Engineering, LLC.
 Richard Woodruff
 Ronald G. Minnich
 Russell King
@@ -45,3 +45,5 @@ src/acpi
 src/arch/arm
 src/arch/arm64
 src/arch/mips
+src/arch/ppc64
+
diff --git a/src/arch/ppc64/Makefile.inc b/src/arch/ppc64/Makefile.inc
index 99d86345ac..ac993d73e6 100644
--- a/src/arch/ppc64/Makefile.inc
+++ b/src/arch/ppc64/Makefile.inc
@@ -2,9 +2,6 @@
 ##
 ## This file is part of the coreboot project.
 ##
-## Copyright (C) 2016 Raptor Engineering, LLC
-## Copyright (C) 2014 The ChromiumOS Authors
-##
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
 ## the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/boot.c b/src/arch/ppc64/boot.c
index 4da60b4e6c..6c13761538 100644
--- a/src/arch/ppc64/boot.c
+++ b/src/arch/ppc64/boot.c
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2013 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/bootblock.S b/src/arch/ppc64/bootblock.S
index 77289a1246..2628e0dabe 100644
--- a/src/arch/ppc64/bootblock.S
+++ b/src/arch/ppc64/bootblock.S
@@ -1,8 +1,5 @@
 /*
- * Early initialization code for POWER8.
- *
- * Copyright 2016 Raptor Engineering, LLC
- * Copyright 2013 Google Inc.
+ * This file is part of the coreboot project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -13,6 +10,8 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
  * GNU General Public License for more details.
+ *
+ * Early initialization code for POWER8.
  */
 
 .section ".text._start", "ax", %progbits
diff --git a/src/arch/ppc64/include/arch/cbconfig.h b/src/arch/ppc64/include/arch/cbconfig.h
index 9467f52646..35c1387895 100644
--- a/src/arch/ppc64/include/arch/cbconfig.h
+++ b/src/arch/ppc64/include/arch/cbconfig.h
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2016 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/include/arch/cpu.h b/src/arch/ppc64/include/arch/cpu.h
index 23bc9a17f5..89816903c8 100644
--- a/src/arch/ppc64/include/arch/cpu.h
+++ b/src/arch/ppc64/include/arch/cpu.h
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2012 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/include/arch/early_variables.h b/src/arch/ppc64/include/arch/early_variables.h
index 99fc06bb18..22c375051e 100644
--- a/src/arch/ppc64/include/arch/early_variables.h
+++ b/src/arch/ppc64/include/arch/early_variables.h
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/include/arch/header.ld b/src/arch/ppc64/include/arch/header.ld
index 7fdc155586..349fd5165c 100644
--- a/src/arch/ppc64/include/arch/header.ld
+++ b/src/arch/ppc64/include/arch/header.ld
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2014 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/include/arch/memlayout.h b/src/arch/ppc64/include/arch/memlayout.h
index 4d2af5953d..09e87c9574 100644
--- a/src/arch/ppc64/include/arch/memlayout.h
+++ b/src/arch/ppc64/include/arch/memlayout.h
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2014 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/include/arch/stages.h b/src/arch/ppc64/include/arch/stages.h
index 90bd60b9a6..a4939b1758 100644
--- a/src/arch/ppc64/include/arch/stages.h
+++ b/src/arch/ppc64/include/arch/stages.h
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2013 The ChromiumOS Authors
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/prologue.inc b/src/arch/ppc64/prologue.inc
index a349cf97b3..9e22eb3d49 100644
--- a/src/arch/ppc64/prologue.inc
+++ b/src/arch/ppc64/prologue.inc
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2002 Eric Biederman
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/rom_media.c b/src/arch/ppc64/rom_media.c
index c1713074f9..0fc8be26e0 100644
--- a/src/arch/ppc64/rom_media.c
+++ b/src/arch/ppc64/rom_media.c
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2015 Google Inc.
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; version 2 of
diff --git a/src/arch/ppc64/stages.c b/src/arch/ppc64/stages.c
index 053fd7634c..3cc9371ffe 100644
--- a/src/arch/ppc64/stages.c
+++ b/src/arch/ppc64/stages.c
@@ -1,8 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2014 Google Inc.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
diff --git a/src/arch/ppc64/tables.c b/src/arch/ppc64/tables.c
index eef6bf2ffd..e9de4bfd71 100644
--- a/src/arch/ppc64/tables.c
+++ b/src/arch/ppc64/tables.c
@@ -1,10 +1,6 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2003 Eric Biederman
- * Copyright (C) 2005 Steve Magnani
- * Copyright (C) 2008-2009 coresystems GmbH
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.