diff --git a/tests/scripts/python/testapi.py b/tests/scripts/python/testapi.py
index f4f54171d..5099ad027 100644
--- a/tests/scripts/python/testapi.py
+++ b/tests/scripts/python/testapi.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # SPDX-FileCopyrightText: 2017-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
diff --git a/tests/scripts/python/testapigen.py b/tests/scripts/python/testapigen.py
index a5baed1a8..db99c47cb 100755
--- a/tests/scripts/python/testapigen.py
+++ b/tests/scripts/python/testapigen.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 #
 # SPDX-FileCopyrightText: 2017-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
@@ -188,7 +187,6 @@ class WeechatPythonScript(WeechatScript):
             UnparsePython, tree, source_script, output_dir, 'python', 'py')
 
     def write_header(self, output):
-        output.write('# -*- coding: utf-8 -*-\n')
         super(WeechatPythonScript, self).write_header(output)
         output.write('\n'
                      'import weechat')
diff --git a/tests/scripts/python/unparse.py b/tests/scripts/python/unparse.py
index 6f77ba23d..18ee3688d 100755
--- a/tests/scripts/python/unparse.py
+++ b/tests/scripts/python/unparse.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 #
 # SPDX-FileCopyrightText: 2017-2025 Sébastien Helleu <flashcode@flashtux.org>
 #