diff --git a/libs/libc/machine/arm/armv8-m/arch_ceil.c b/libs/libc/machine/arm/armv8-m/arch_ceil.c
index 42102451098..c7dde0ae248 100644
--- a/libs/libc/machine/arm/armv8-m/arch_ceil.c
+++ b/libs/libc/machine/arm/armv8-m/arch_ceil.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_ceil.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_ceilf.c b/libs/libc/machine/arm/armv8-m/arch_ceilf.c
index ed27ec7194b..0c140365cb7 100644
--- a/libs/libc/machine/arm/armv8-m/arch_ceilf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_ceilf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_ceilf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_floor.c b/libs/libc/machine/arm/armv8-m/arch_floor.c
index f9a0b9ccb49..971d70e1ce4 100644
--- a/libs/libc/machine/arm/armv8-m/arch_floor.c
+++ b/libs/libc/machine/arm/armv8-m/arch_floor.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_floor.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_floorf.c b/libs/libc/machine/arm/armv8-m/arch_floorf.c
index 5d481ece301..b2fcdeaf779 100644
--- a/libs/libc/machine/arm/armv8-m/arch_floorf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_floorf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_floorf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_nearbyint.c b/libs/libc/machine/arm/armv8-m/arch_nearbyint.c
index 701e787a29e..f2a9aa741bb 100644
--- a/libs/libc/machine/arm/armv8-m/arch_nearbyint.c
+++ b/libs/libc/machine/arm/armv8-m/arch_nearbyint.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_nearbyint.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_nearbyintf.c b/libs/libc/machine/arm/armv8-m/arch_nearbyintf.c
index 67690660da7..dee6fd4f7cc 100644
--- a/libs/libc/machine/arm/armv8-m/arch_nearbyintf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_nearbyintf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_nearbyintf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_rint.c b/libs/libc/machine/arm/armv8-m/arch_rint.c
index b3b9d31e96f..d9cdd321713 100644
--- a/libs/libc/machine/arm/armv8-m/arch_rint.c
+++ b/libs/libc/machine/arm/armv8-m/arch_rint.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_rint.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_rintf.c b/libs/libc/machine/arm/armv8-m/arch_rintf.c
index 7c57f922c9b..ff80a768348 100644
--- a/libs/libc/machine/arm/armv8-m/arch_rintf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_rintf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_rintf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_round.c b/libs/libc/machine/arm/armv8-m/arch_round.c
index 969a8596129..b9cac084d34 100644
--- a/libs/libc/machine/arm/armv8-m/arch_round.c
+++ b/libs/libc/machine/arm/armv8-m/arch_round.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_round.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_roundf.c b/libs/libc/machine/arm/armv8-m/arch_roundf.c
index 6e9a85c6744..062386679c5 100644
--- a/libs/libc/machine/arm/armv8-m/arch_roundf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_roundf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_roundf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_trunc.c b/libs/libc/machine/arm/armv8-m/arch_trunc.c
index 2929b6d61c2..39300cba81e 100644
--- a/libs/libc/machine/arm/armv8-m/arch_trunc.c
+++ b/libs/libc/machine/arm/armv8-m/arch_trunc.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_trunc.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/libs/libc/machine/arm/armv8-m/arch_truncf.c b/libs/libc/machine/arm/armv8-m/arch_truncf.c
index 5d513440b5b..fd3c5d8be39 100644
--- a/libs/libc/machine/arm/armv8-m/arch_truncf.c
+++ b/libs/libc/machine/arm/armv8-m/arch_truncf.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * libs/libc/machine/arm/armv8-m/arch_truncf.c
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
- *
- * Adapted for NuttX from BSD licensed code provided by ARM:
- *
  *   Copyright (c) 2011, 2012 ARM Ltd.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without