diff --git a/glslang/MachineIndependent/ParseContextBase.cpp b/glslang/MachineIndependent/ParseContextBase.cpp
index 8202eba0..81842d83 100644
--- a/glslang/MachineIndependent/ParseContextBase.cpp
+++ b/glslang/MachineIndependent/ParseContextBase.cpp
@@ -1,7 +1,6 @@
 //
 // Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
 // Copyright (C) 2016 Google, Inc.
-// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
 //
 // All rights reserved.
 //
diff --git a/glslang/MachineIndependent/ParseHelper.h b/glslang/MachineIndependent/ParseHelper.h
index d2e0b044..20df6405 100644
--- a/glslang/MachineIndependent/ParseHelper.h
+++ b/glslang/MachineIndependent/ParseHelper.h
@@ -2,7 +2,6 @@
 // Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
 // Copyright (C) 2012-2013 LunarG, Inc.
 // Copyright (C) 2015-2018 Google, Inc.
-// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
 //
 // All rights reserved.
 //