diff --git a/lib/common_test/test/ct_misc_1_SUITE_data/empty_group_SUITE.erl b/lib/common_test/test/ct_misc_1_SUITE_data/empty_group_SUITE.erl
index 4d973a1ced50..34593c2d502f 100644
--- a/lib/common_test/test/ct_misc_1_SUITE_data/empty_group_SUITE.erl
+++ b/lib/common_test/test/ct_misc_1_SUITE_data/empty_group_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2024. All Rights Reserved.
+%% Copyright 2024 Johannes Christ <jc@jchri.st>
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/logical_processors.erl b/lib/dialyzer/test/small_SUITE_data/src/logical_processors.erl
index 6dc09bdc0c3d..1b03b698efb7 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/logical_processors.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/logical_processors.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1996-2024. All Rights Reserved.
+%% Copyright 2024 Ildar Khizbulin <khizbulin@erlyvideo.org>
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
diff --git a/lib/kernel/test/os_SUITE_data/sys_shell.c b/lib/kernel/test/os_SUITE_data/sys_shell.c
index 410b6e8955b2..341f41d5a86d 100644
--- a/lib/kernel/test/os_SUITE_data/sys_shell.c
+++ b/lib/kernel/test/os_SUITE_data/sys_shell.c
@@ -1,7 +1,7 @@
 /*
  * %CopyrightBegin%
  *
- * Copyright Ericsson AB 1998-2021. All Rights Reserved.
+ * Copyright 2024 Yaroslav Maslennikov <ymaslenn@cisco.com>
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.