diff --git a/src/yunohost/backup.py b/src/yunohost/backup.py
index 03721be0c..458d7655f 100644
--- a/src/yunohost/backup.py
+++ b/src/yunohost/backup.py
@@ -80,7 +80,7 @@ MB_ALLOWED_TO_ORGANIZE = 10
 logger = getActionLogger("yunohost.backup")
 
 
-class BackupRestoreTargetsManager(object):
+class BackupRestoreTargetsManager:
 
     """
     BackupRestoreTargetsManager manage the targets
@@ -1570,7 +1570,7 @@ class RestoreManager:
 #
 # Backup methods                                                            #
 #
-class BackupMethod(object):
+class BackupMethod:
 
     """
     BackupMethod is an abstract class that represents a way to backup and
diff --git a/src/yunohost/log.py b/src/yunohost/log.py
index cb11c7112..d28a35e18 100644
--- a/src/yunohost/log.py
+++ b/src/yunohost/log.py
@@ -469,7 +469,7 @@ class RedactingFormatter(Formatter):
             )
 
 
-class OperationLogger(object):
+class OperationLogger:
 
     """
     Instances of this class represents unit operation done on the ynh instance.
diff --git a/src/yunohost/tools.py b/src/yunohost/tools.py
index 87c962499..679b4d16e 100644
--- a/src/yunohost/tools.py
+++ b/src/yunohost/tools.py
@@ -1107,7 +1107,7 @@ def _tools_migrations_run_before_app_restore(backup_version, app_id):
                 raise
 
 
-class Migration(object):
+class Migration:
 
     # Those are to be implemented by daughter classes
 
diff --git a/src/yunohost/utils/config.py b/src/yunohost/utils/config.py
index 5d1d1f9d2..e3b09f870 100644
--- a/src/yunohost/utils/config.py
+++ b/src/yunohost/utils/config.py
@@ -678,7 +678,7 @@ class ConfigPanel:
                         yield (panel, section, option)
 
 
-class Question(object):
+class Question:
     hide_user_input_in_prompt = False
     pattern: Optional[Dict] = None
 
diff --git a/src/yunohost/utils/password.py b/src/yunohost/utils/password.py
index 188850183..9fff5ece7 100644
--- a/src/yunohost/utils/password.py
+++ b/src/yunohost/utils/password.py
@@ -51,7 +51,7 @@ def assert_password_is_strong_enough(profile, password):
     PasswordValidator(profile).validate(password)
 
 
-class PasswordValidator(object):
+class PasswordValidator:
     def __init__(self, profile):
         """
         Initialize a password validator.