diff --git a/arch/risc-v/src/k210/hardware/k210_memorymap.h b/arch/risc-v/src/k210/hardware/k210_memorymap.h
index 60b6a2a781..68d620fb62 100644
--- a/arch/risc-v/src/k210/hardware/k210_memorymap.h
+++ b/arch/risc-v/src/k210/hardware/k210_memorymap.h
@@ -1,10 +1,6 @@
 /****************************************************************************
  * arch/risc-v/src/k210/hardware/k210_memorymap.h
  *
- * Derives from software originally provided by Canaan Inc
- *
- *   Copyright 2018 Canaan Inc
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/arch/risc-v/src/k210/hardware/k210_sysctl.h b/arch/risc-v/src/k210/hardware/k210_sysctl.h
index 3024a03f56..0ee6cd6299 100644
--- a/arch/risc-v/src/k210/hardware/k210_sysctl.h
+++ b/arch/risc-v/src/k210/hardware/k210_sysctl.h
@@ -1,10 +1,6 @@
 /****************************************************************************
  * arch/risc-v/src/k210/hardware/k210_sysctl.h
  *
- * Derives from software originally provided by Canaan Inc
- *
- *   Copyright 2018 Canaan Inc
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/arch/risc-v/src/k210/k210_clockconfig.c b/arch/risc-v/src/k210/k210_clockconfig.c
index c4a07d3468..0eb331023f 100644
--- a/arch/risc-v/src/k210/k210_clockconfig.c
+++ b/arch/risc-v/src/k210/k210_clockconfig.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * arch/risc-v/src/k210/k210_clockconfig.c
  *
- * Derives from software originally provided by Canaan Inc
- *
- *   Copyright 2018 Canaan Inc
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/arch/risc-v/src/k210/k210_gpiohs.c b/arch/risc-v/src/k210/k210_gpiohs.c
index a4c9b3f2d5..5857e4c9a7 100644
--- a/arch/risc-v/src/k210/k210_gpiohs.c
+++ b/arch/risc-v/src/k210/k210_gpiohs.c
@@ -1,10 +1,6 @@
 /****************************************************************************
  * arch/risc-v/src/k210/k210_gpiohs.c
  *
- * Derives from software originally provided by Canaan Inc
- *
- *   Copyright 2018 Canaan Inc
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The
diff --git a/arch/risc-v/src/k210/k210_gpiohs.h b/arch/risc-v/src/k210/k210_gpiohs.h
index 1c00fc1e35..3a94e75ab7 100644
--- a/arch/risc-v/src/k210/k210_gpiohs.h
+++ b/arch/risc-v/src/k210/k210_gpiohs.h
@@ -1,10 +1,6 @@
 /****************************************************************************
  * arch/risc-v/src/k210/k210_gpiohs.h
  *
- * Derives from software originally provided by Canaan Inc
- *
- *   Copyright 2018 Canaan Inc
- *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The