diff --git a/apps/maintenance/__init__.py b/apps/maintenance/__init__.py
index 3d1c3cfb43..8d4272726f 100644
--- a/apps/maintenance/__init__.py
+++ b/apps/maintenance/__init__.py
@@ -2,6 +2,6 @@ from __future__ import absolute_import
 
 from project_tools.api import register_tool
 
-from .links import maintenance_menu, statistics
+from .links import maintenance_menu
 
 register_tool(maintenance_menu)
diff --git a/apps/maintenance/views.py b/apps/maintenance/views.py
index 809c04268c..d398466cf7 100644
--- a/apps/maintenance/views.py
+++ b/apps/maintenance/views.py
@@ -3,6 +3,9 @@ from __future__ import absolute_import
 from django.shortcuts import render_to_response
 from django.template import RequestContext
 from django.utils.translation import ugettext_lazy as _
+from django.core.exceptions import PermissionDenied
+
+from permissions.models import Permission
 
 from .api import tools