diff --git a/pytest.ini b/pytest.ini
index 709e0e0b9..27d690435 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -3,12 +3,14 @@ addopts = -s -v
 norecursedirs = dist doc build .tox .eggs
 testpaths = tests/
 markers =
-    with_system_archive_from_2p4
+    with_system_archive_from_3p8
     with_backup_recommended_app_installed
     clean_opt_dir
-    with_wordpress_archive_from_2p4
+    with_wordpress_archive_from_3p8
     with_legacy_app_installed
     with_backup_recommended_app_installed_with_ynh_restore
     with_permission_app_installed
+    other_domains
+    with_custom_domain
 filterwarnings =
     ignore::urllib3.exceptions.InsecureRequestWarning
\ No newline at end of file
diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 8d334677f..a3c10df0b 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -324,9 +324,9 @@ def app_map(app=None, raw=False, user=None):
             app,
         ]
     else:
-        apps = os.listdir(APPS_SETTING_PATH)
+        apps = _installed_apps()
 
-    permissions = user_permission_list(full=True, absolute_urls=True)["permissions"]
+    permissions = user_permission_list(full=True, absolute_urls=True, apps=apps)["permissions"]
     for app_id in apps:
         app_settings = _get_app_settings(app_id)
         if not app_settings:
@@ -1263,16 +1263,15 @@ def app_remove(operation_logger, app):
     else:
         logger.warning(m18n.n("app_not_properly_removed", app=app))
 
+    # Remove all permission in LDAP
+    for permission_name in user_permission_list(apps=[app])["permissions"].keys():
+        permission_delete(permission_name, force=True, sync_perm=False)
+
     if os.path.exists(app_setting_path):
         shutil.rmtree(app_setting_path)
     shutil.rmtree("/tmp/yunohost_remove")
     hook_remove(app)
 
-    # Remove all permission in LDAP
-    for permission_name in user_permission_list()["permissions"].keys():
-        if permission_name.startswith(app + "."):
-            permission_delete(permission_name, force=True, sync_perm=False)
-
     permission_sync_to_user()
     _assert_system_is_sane_for_app(manifest, "post")
 
diff --git a/src/yunohost/backup.py b/src/yunohost/backup.py
index 5c83f6651..a17b752f6 100644
--- a/src/yunohost/backup.py
+++ b/src/yunohost/backup.py
@@ -726,11 +726,10 @@ class BackupManager:
 
             # backup permissions
             logger.debug(m18n.n("backup_permission", app=app))
-            permissions = user_permission_list(full=True)["permissions"]
+            permissions = user_permission_list(full=True, apps=[app])["permissions"]
             this_app_permissions = {
                 name: infos
                 for name, infos in permissions.items()
-                if name.startswith(app + ".")
             }
             write_to_yaml("%s/permissions.yml" % settings_dir, this_app_permissions)
 
diff --git a/src/yunohost/log.py b/src/yunohost/log.py
index 9a3eb9fa6..f8215955f 100644
--- a/src/yunohost/log.py
+++ b/src/yunohost/log.py
@@ -340,9 +340,9 @@ def is_unit_operation(
             # Indeed, we use convention naming in this decorator and we need to
             # know name of each args (so we need to use kwargs instead of args)
             if len(args) > 0:
-                from inspect import getargspec
+                from inspect import signature
 
-                keys = getargspec(func).args
+                keys = list(signature(func).parameters.keys())
                 if "operation_logger" in keys:
                     keys.remove("operation_logger")
                 for k, arg in enumerate(args):
diff --git a/src/yunohost/permission.py b/src/yunohost/permission.py
index 3ed9590d4..7d02a542f 100644
--- a/src/yunohost/permission.py
+++ b/src/yunohost/permission.py
@@ -74,13 +74,13 @@ def user_permission_list(
     )
 
     # Parse / organize information to be outputed
-    if apps:
-        ignore_system_perms = True
-    apps = apps if apps else sorted(_installed_apps())
+    installed_apps = sorted(_installed_apps())
+    filter_ = apps
+    apps = filter_ if filter_ else installed_apps
     apps_base_path = {
         app: app_setting(app, "domain") + app_setting(app, "path")
         for app in apps
-        if app_setting(app, "domain") and app_setting(app, "path")
+        if app in installed_apps and app_setting(app, "domain") and app_setting(app, "path")
     }
 
     permissions = {}
@@ -89,10 +89,9 @@ def user_permission_list(
         name = infos["cn"][0]
         app = name.split(".")[0]
 
-        if app in SYSTEM_PERMS:
-            if ignore_system_perms:
-                continue
-        elif app not in apps:
+        if ignore_system_perms and app in SYSTEM_PERMS:
+            continue
+        if filter_ and app not in apps:
             continue
 
         perm = {}
diff --git a/src/yunohost/tests/test_settings.py b/src/yunohost/tests/test_settings.py
index b402a9ef5..a393e83c6 100644
--- a/src/yunohost/tests/test_settings.py
+++ b/src/yunohost/tests/test_settings.py
@@ -1,5 +1,6 @@
 import os
 import json
+import glob
 import pytest
 
 from yunohost.utils.error import YunohostError
@@ -28,6 +29,8 @@ def setup_function(function):
 
 def teardown_function(function):
     os.system("mv /etc/yunohost/settings.json.saved /etc/yunohost/settings.json")
+    for filename in glob.glob("/etc/yunohost/settings-*.json"):
+        os.remove(filename) 
 
 
 def test_settings_get_bool():