diff --git a/dp/wifi3.0/dp_rx.c b/dp/wifi3.0/dp_rx.c
index d92419deb5..d22a647be7 100644
--- a/dp/wifi3.0/dp_rx.c
+++ b/dp/wifi3.0/dp_rx.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 2016-2022 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
diff --git a/qdf/linux/src/i_qdf_nbuf_m.h b/qdf/linux/src/i_qdf_nbuf_m.h
index e54e367597..e4f22ceb31 100644
--- a/qdf/linux/src/i_qdf_nbuf_m.h
+++ b/qdf/linux/src/i_qdf_nbuf_m.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2022 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
  * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
diff --git a/qdf/linux/src/i_qdf_nbuf_w.h b/qdf/linux/src/i_qdf_nbuf_w.h
index 96eebd0832..f30c1edb29 100644
--- a/qdf/linux/src/i_qdf_nbuf_w.h
+++ b/qdf/linux/src/i_qdf_nbuf_w.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2022 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
  * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
diff --git a/qdf/linux/src/qdf_nbuf.c b/qdf/linux/src/qdf_nbuf.c
index 68573fc3ee..fa00e42961 100644
--- a/qdf/linux/src/qdf_nbuf.c
+++ b/qdf/linux/src/qdf_nbuf.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 2014-2022 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the