diff --git a/libervia/backend/plugins/plugin_misc_text_syntaxes.py b/libervia/backend/plugins/plugin_misc_text_syntaxes.py
index e5c51569..e7cdc518 100644
--- a/libervia/backend/plugins/plugin_misc_text_syntaxes.py
+++ b/libervia/backend/plugins/plugin_misc_text_syntaxes.py
@@ -20,7 +20,6 @@
 from functools import partial
 from html import escape
 import re
-from typing import Set
 
 from twisted.internet import defer
 from twisted.internet.threads import deferToThread
@@ -379,7 +378,7 @@ class TextSyntaxes(object):
         @param styles_raw: CSS styles
         @return: cleaned styles
         """
-        styles: List[str] = styles_raw.split(";")
+        styles: list[str] = styles_raw.split(";")
         cleaned_styles = []
         for style in styles:
             try:
diff --git a/libervia/backend/plugins/plugin_xep_0461.py b/libervia/backend/plugins/plugin_xep_0461.py
index 9c08f371..7aec7a2a 100644
--- a/libervia/backend/plugins/plugin_xep_0461.py
+++ b/libervia/backend/plugins/plugin_xep_0461.py
@@ -30,7 +30,6 @@ from libervia.backend.core.constants import Const as C
 from libervia.backend.core.core_types import SatXMPPEntity
 from libervia.backend.core.i18n import _
 from libervia.backend.core.log import getLogger
-from libervia.backend.memory.sqla import Storage
 from libervia.backend.memory.sqla_mapping import History
 from libervia.backend.models.core import MessageData
 from libervia.backend.models.types import JIDType