diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index a6858a1..07c726a 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -11,7 +11,7 @@
 while running the script. Note: must be run from Mbed TLS root.
 """
 
-# Copyright (c) 2018, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -52,8 +52,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 import os
 import sys
diff --git a/scripts/apidoc_full.sh b/scripts/apidoc_full.sh
index 4127794..f2f511a 100755
--- a/scripts/apidoc_full.sh
+++ b/scripts/apidoc_full.sh
@@ -7,7 +7,7 @@
 # /!\ This must not be a Makefile target, as it would create a race condition
 # when multiple targets are invoked in the same parallel build.
 #
-# Copyright (C) 2016, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -48,8 +48,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 set -eu
 
diff --git a/scripts/assemble_changelog.py b/scripts/assemble_changelog.py
index 8bf6c7e..02bae25 100755
--- a/scripts/assemble_changelog.py
+++ b/scripts/assemble_changelog.py
@@ -18,7 +18,7 @@
 You must run this program from within a git working directory.
 """
 
-# Copyright (C) 2019, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -59,8 +59,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 import argparse
 from collections import OrderedDict, namedtuple
diff --git a/scripts/bump_version.sh b/scripts/bump_version.sh
index 310023c..04f5900 100755
--- a/scripts/bump_version.sh
+++ b/scripts/bump_version.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright (c) 2012-2016, ARM Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
 #
 # **********
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # Purpose
 #
 # Sets the version numbers in the source code to those given.
diff --git a/scripts/config.pl b/scripts/config.pl
index 87f59bc..0fd5190 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 #
-# Copyright (c) 2014-2016, ARM Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
 #
 # **********
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # Purpose
 #
 # Comments and uncomments #define lines in the given header file and optionally
diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index 7f9c12f..162d93b 100644
--- a/scripts/data_files/error.fmt
+++ b/scripts/data_files/error.fmt
@@ -1,7 +1,7 @@
 /*
  *  Error message information
  *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  *
  *  This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  *  **********
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 
 #if !defined(MBEDTLS_CONFIG_FILE)
diff --git a/scripts/data_files/version_features.fmt b/scripts/data_files/version_features.fmt
index 17e1fe2..68868b7 100644
--- a/scripts/data_files/version_features.fmt
+++ b/scripts/data_files/version_features.fmt
@@ -1,7 +1,7 @@
 /*
  *  Version feature information
  *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  *
  *  This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  *  **********
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 
 #if !defined(MBEDTLS_CONFIG_FILE)
diff --git a/scripts/ecc-heap.sh b/scripts/ecc-heap.sh
index b3cfee1..097f36b 100755
--- a/scripts/ecc-heap.sh
+++ b/scripts/ecc-heap.sh
@@ -7,7 +7,7 @@
 # cmake -D CMAKE_BUILD_TYPE=Release .
 # scripts/ecc-heap.sh | tee ecc-heap.log
 #
-# Copyright (C) 2014-2015, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -48,8 +48,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 set -eu
 
diff --git a/scripts/footprint.sh b/scripts/footprint.sh
index c4629c7..a1ad8df 100755
--- a/scripts/footprint.sh
+++ b/scripts/footprint.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (c) 2015-2016, ARM Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
 #
 # **********
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # Purpose
 #
 # This script determines ROM size (or code size) for the standard mbed TLS
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index fb9e66b..1106f97 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -5,7 +5,7 @@
 # Usage: ./generate_errors.pl or scripts/generate_errors.pl without arguments,
 # or generate_errors.pl include_dir data_dir error_file
 #
-# Copyright (C) 2011-2020, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -46,8 +46,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 use strict;
 
diff --git a/scripts/generate_features.pl b/scripts/generate_features.pl
index 17f58a9..3a83620 100755
--- a/scripts/generate_features.pl
+++ b/scripts/generate_features.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 #
-# Copyright (C) 2014-2015, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -41,8 +41,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 use strict;
 
diff --git a/scripts/generate_visualc_files.pl b/scripts/generate_visualc_files.pl
index 8dda511..da21780 100755
--- a/scripts/generate_visualc_files.pl
+++ b/scripts/generate_visualc_files.pl
@@ -6,7 +6,7 @@
 # Must be run from mbedTLS root or scripts directory.
 # Takes no argument.
 #
-# Copyright (C) 2013-2018, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -47,8 +47,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 use warnings;
 use strict;
diff --git a/scripts/massif_max.pl b/scripts/massif_max.pl
index f577391..2dc4222 100755
--- a/scripts/massif_max.pl
+++ b/scripts/massif_max.pl
@@ -2,7 +2,7 @@
 
 # Parse a massif.out.xxx file and output peak total memory usage
 #
-# Copyright (C) 2014, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -43,8 +43,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 use warnings;
 use strict;
diff --git a/scripts/memory.sh b/scripts/memory.sh
index e9019e4..8f8dcd7 100755
--- a/scripts/memory.sh
+++ b/scripts/memory.sh
@@ -6,7 +6,7 @@
 # Use different build options for measuring executable size and memory usage,
 # since for memory we want debug information.
 #
-# Copyright (C) 2014-2015, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -47,8 +47,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 set -eu
 
diff --git a/scripts/output_env.sh b/scripts/output_env.sh
index d46349a..c9a131d 100755
--- a/scripts/output_env.sh
+++ b/scripts/output_env.sh
@@ -2,7 +2,7 @@
 
 # output_env.sh
 #
-# Copyright (c) 2016, ARM Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -44,8 +44,6 @@
 #
 # **********
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # Purpose
 #
 # To print out all the relevant information about the development environment.
diff --git a/scripts/rename.pl b/scripts/rename.pl
index 8e08ad0..3f47bf2 100755
--- a/scripts/rename.pl
+++ b/scripts/rename.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 #
-# Copyright (c) 2015-2016, ARM Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -42,8 +42,6 @@
 #
 # **********
 #
-# This file is part of Mbed TLS (https://tls.mbed.org)
-#
 # Purpose
 #
 # This script migrates application source code from the mbed TLS 1.3 API to the
diff --git a/scripts/tmp_ignore_makefiles.sh b/scripts/tmp_ignore_makefiles.sh
index 7da7acd..427e33b 100755
--- a/scripts/tmp_ignore_makefiles.sh
+++ b/scripts/tmp_ignore_makefiles.sh
@@ -3,7 +3,7 @@
 # Temporarily (de)ignore Makefiles generated by CMake to allow easier
 # git development
 #
-# Copyright (C) 2014, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 # This file is provided under the Apache License 2.0, or the
@@ -44,8 +44,6 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # **********
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 IGNORE=""