diff --git a/scripts/framework_dev/generate_server9_bad_saltlen.py b/scripts/framework_dev/generate_server9_bad_saltlen.py
deleted file mode 100755
index 36682152a..000000000
--- a/scripts/framework_dev/generate_server9_bad_saltlen.py
+++ /dev/null
@@ -1,99 +0,0 @@
-#!/usr/bin/env python3
-"""Generate server9-bad-saltlen.crt
-
-Generate a certificate signed with RSA-PSS, with an incorrect salt length.
-"""
-
-# Copyright The Mbed TLS Contributors
-# SPDX-License-Identifier: Apache-2.0
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import subprocess
-import argparse
-from asn1crypto import pem, x509, core #type: ignore #pylint: disable=import-error
-
-OPENSSL_RSA_PSS_CERT_COMMAND = r'''
-openssl x509 -req -CA {ca_name}.crt -CAkey {ca_name}.key -set_serial 24 {ca_password} \
-    {openssl_extfile} -days 3650 -outform DER -in {csr}  \
-    -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:{anounce_saltlen} \
-    -sigopt rsa_mgf1_md:sha256
-'''
-SIG_OPT = \
-    r'-sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:{saltlen} -sigopt rsa_mgf1_md:sha256'
-OPENSSL_RSA_PSS_DGST_COMMAND = r'''openssl dgst -sign {ca_name}.key {ca_password} \
-    -sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:{actual_saltlen} \
-    -sigopt rsa_mgf1_md:sha256'''
-
-
-def auto_int(x):
-    return int(x, 0)
-
-
-def build_argparser(parser):
-    """Build argument parser"""
-    parser.description = __doc__
-    parser.add_argument('--ca-name', type=str, required=True,
-                        help='Basename of CA files')
-    parser.add_argument('--ca-password', type=str,
-                        required=True, help='CA key file password')
-    parser.add_argument('--csr', type=str, required=True,
-                        help='CSR file for generating certificate')
-    parser.add_argument('--openssl-extfile', type=str,
-                        required=True, help='X905 v3 extension config file')
-    parser.add_argument('--anounce_saltlen', type=auto_int,
-                        required=True, help='Announced salt length')
-    parser.add_argument('--actual_saltlen', type=auto_int,
-                        required=True, help='Actual salt length')
-    parser.add_argument('--output', type=str, required=True)
-
-
-def main():
-    parser = argparse.ArgumentParser()
-    build_argparser(parser)
-    args = parser.parse_args()
-
-    return generate(**vars(args))
-
-def generate(**kwargs):
-    """Generate different salt length certificate file."""
-    ca_password = kwargs.get('ca_password', '')
-    if ca_password:
-        kwargs['ca_password'] = r'-passin "pass:{ca_password}"'.format(
-            **kwargs)
-    else:
-        kwargs['ca_password'] = ''
-    extfile = kwargs.get('openssl_extfile', '')
-    if extfile:
-        kwargs['openssl_extfile'] = '-extfile {openssl_extfile}'.format(
-            **kwargs)
-    else:
-        kwargs['openssl_extfile'] = ''
-
-    cmd = OPENSSL_RSA_PSS_CERT_COMMAND.format(**kwargs)
-    der_bytes = subprocess.check_output(cmd, shell=True)
-    target_certificate = x509.Certificate.load(der_bytes)
-
-    cmd = OPENSSL_RSA_PSS_DGST_COMMAND.format(**kwargs)
-    #pylint: disable=unexpected-keyword-arg
-    der_bytes = subprocess.check_output(cmd,
-                                        input=target_certificate['tbs_certificate'].dump(),
-                                        shell=True)
-
-    with open(kwargs.get('output'), 'wb') as f:
-        target_certificate['signature_value'] = core.OctetBitString(der_bytes)
-        f.write(pem.armor('CERTIFICATE', target_certificate.dump()))
-
-
-if __name__ == '__main__':
-    main()