diff --git a/moulinette/authentication.py b/moulinette/authentication.py
index e7b98917..12fd8d0c 100644
--- a/moulinette/authentication.py
+++ b/moulinette/authentication.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+import logging
+
 from moulinette.core import MoulinetteError, MoulinetteAuthenticationError
 
 logger = logging.getLogger("moulinette.authenticator")
diff --git a/moulinette/interfaces/__init__.py b/moulinette/interfaces/__init__.py
index 27b9d4d6..dc33e276 100644
--- a/moulinette/interfaces/__init__.py
+++ b/moulinette/interfaces/__init__.py
@@ -6,7 +6,7 @@ import argparse
 import copy
 from collections import deque, OrderedDict
 
-from moulinette import Moulinette, m18n
+from moulinette import m18n
 from moulinette.core import MoulinetteError
 
 logger = logging.getLogger("moulinette.interface")
diff --git a/moulinette/interfaces/api.py b/moulinette/interfaces/api.py
index 2bfe5365..3e05e57f 100644
--- a/moulinette/interfaces/api.py
+++ b/moulinette/interfaces/api.py
@@ -83,7 +83,6 @@ class APIQueueHandler(logging.Handler):
 
     def emit(self, record):
         s_id = Session.get_infos()["id"]
-        sid = request.get_cookie("session.id")
         try:
             queue = self.queues[s_id]
         except KeyError: