diff --git a/boards/utils.py b/boards/utils.py
--- a/boards/utils.py
+++ b/boards/utils.py
@@ -5,7 +5,6 @@ import time
 import uuid
 
 import hashlib
-import hmac
 import magic
 import os
 from django import forms
@@ -18,7 +17,6 @@ from django.utils.translation import uge
 import boards
 from boards.abstracts.constants import FILE_DIRECTORY
 from boards.settings import get_bool
-from neboard import settings
 
 CACHE_KEY_DELIMITER = '_'