diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index b8fc9b8..3cfd95a 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -25,8 +25,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 f270bf4..03bbb64 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -21,8 +21,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 ffa3f16..8f7d1fd 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -32,8 +32,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 88e3a46..df629e9 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# 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 c836b37..5dd89d2 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 # Backward compatibility redirection
 
-## Copyright (C) 2019, ARM Limited, All Rights Reserved
+## Copyright The Mbed TLS Contributors
 ## SPDX-License-Identifier: Apache-2.0
 ##
 ## Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
 ## WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ## See the License for the specific language governing permissions and
 ## limitations under the License.
-##
-## This file is part of Mbed TLS (https://tls.mbed.org)
 
 my $py = $0;
 $py =~ s/\.pl$/.py/ or die "Unable to determine the name of the Python script";
diff --git a/scripts/config.py b/scripts/config.py
index 3d297dc..00b61b3 100755
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -7,7 +7,7 @@
     if 'MBEDTLS_RSA_C' in config: print('RSA is enabled')
 """
 
-## Copyright (C) 2019, ARM Limited, All Rights Reserved
+## Copyright The Mbed TLS Contributors
 ## SPDX-License-Identifier: Apache-2.0
 ##
 ## Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -21,8 +21,6 @@
 ## WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ## See the License for the specific language governing permissions and
 ## limitations under the License.
-##
-## This file is part of Mbed TLS (https://tls.mbed.org)
 
 import os
 import re
diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index ddd1be7..fd72f8b 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
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 
 #include "common.h"
diff --git a/scripts/data_files/query_config.fmt b/scripts/data_files/query_config.fmt
index 064da4c..be1faef 100644
--- a/scripts/data_files/query_config.fmt
+++ b/scripts/data_files/query_config.fmt
@@ -1,7 +1,7 @@
 /*
  *  Query Mbed TLS compile time configurations from config.h
  *
- *  Copyright (C) 2018, Arm Limited, All Rights Reserved
+ *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
- *  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 79d220e..d4bf774 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
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
  */
 
 #include "common.h"
diff --git a/scripts/ecc-heap.sh b/scripts/ecc-heap.sh
index 1a2a6d1..8d1beee 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -21,8 +21,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 set -eu
 
diff --git a/scripts/footprint.sh b/scripts/footprint.sh
index de7b68f..4d7be7a 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# 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 f3814f4..ed17a0d 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -19,8 +19,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 e60bb88..74a9527 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -14,8 +14,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 use strict;
 
diff --git a/scripts/generate_psa_constants.py b/scripts/generate_psa_constants.py
index c84b838..95dc4db 100755
--- a/scripts/generate_psa_constants.py
+++ b/scripts/generate_psa_constants.py
@@ -11,7 +11,7 @@
 * OUTPUT_FILE_DIR passed: writes to OUTPUT_FILE_DIR/
 """
 
-# Copyright (C) 2018-2020, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -25,8 +25,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 import os
 import re
diff --git a/scripts/generate_query_config.pl b/scripts/generate_query_config.pl
index c9ef838..3cef101 100755
--- a/scripts/generate_query_config.pl
+++ b/scripts/generate_query_config.pl
@@ -16,7 +16,7 @@
 #
 # Usage: ./scripts/generate_query_config.pl without arguments
 #
-# Copyright (C) 2018-2019, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -30,8 +30,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 a3a2925..3d4baca 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) 2013-2020, Arm Limited, All Rights Reserved
+# Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -20,8 +20,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 f5d870f..eaf56ae 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -16,8 +16,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 15693a0..9c3882d 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -20,8 +20,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# 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 0044a22..1d9e0fa 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -17,8 +17,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# 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 1e8dbf4..9ea5f09 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,8 +15,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# 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 1a16540..558970f 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
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -17,8 +17,6 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# This file is part of Mbed TLS (https://tls.mbed.org)
 
 IGNORE=""