diff --git a/back_office/tests.py b/back_office/tests.py
index 7ce503c..4929020 100644
--- a/back_office/tests.py
+++ b/back_office/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.
diff --git a/core_blog/tests.py b/core_blog/tests.py
index 7ce503c..4929020 100644
--- a/core_blog/tests.py
+++ b/core_blog/tests.py
@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.
diff --git a/fosstack/urls.py b/fosstack/urls.py
index 16e6631..81b2579 100644
--- a/fosstack/urls.py
+++ b/fosstack/urls.py
@@ -2,9 +2,6 @@
 from django.urls import path, re_path, include
 from django.conf.urls.static import static
 from django.conf import settings
-from django.conf.urls import (
-    handler400, handler403, handler404, handler500
-)
 
 from filebrowser.sites import site
 from back_office import views as error_handler