diff --git a/apps/documents/forms.py b/apps/documents/forms.py
index 8703822b49..39b190baea 100644
--- a/apps/documents/forms.py
+++ b/apps/documents/forms.py
@@ -2,14 +2,10 @@ from django import forms
 from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
 from django.http import HttpResponseRedirect
-from django.utils.http import urlencode
 from django.core.urlresolvers import reverse
 from django.utils.safestring import mark_safe
-from django.forms.formsets import formset_factory
-from django.template.defaultfilters import capfirst
 from django.conf import settings
 
-from tags.widgets import get_tags_inline_widget
 from common.wizard import BoundFormWizard
 from common.forms import DetailForm
 from common.literals import PAGE_SIZE_CHOICES, PAGE_ORIENTATION_CHOICES
diff --git a/apps/documents/models.py b/apps/documents/models.py
index c4ad175314..2de24cb20e 100644
--- a/apps/documents/models.py
+++ b/apps/documents/models.py
@@ -4,7 +4,6 @@ import tempfile
 
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
-from django.db.models import Q
 from django.contrib.auth.models import User
 from django.contrib.contenttypes import generic
 from django.contrib.comments.models import Comment
@@ -15,7 +14,6 @@ from taggit.managers import TaggableManager
 from dynamic_search.api import register
 from converter.api import get_page_count
 from converter import TRANFORMATION_CHOICES
-from metadata.classes import MetadataObject
 
 from documents.conf.settings import CHECKSUM_FUNCTION
 from documents.conf.settings import UUID_FUNCTION
diff --git a/apps/documents/views.py b/apps/documents/views.py
index 1256c953d7..130fe77bb3 100644
--- a/apps/documents/views.py
+++ b/apps/documents/views.py
@@ -26,8 +26,6 @@ from converter.api import DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION, \
     DEFAULT_FILE_FORMAT, QUALITY_PRINT
 from document_comments.utils import get_comments_subtemplate
 from filetransfers.api import serve_file
-from grouping.models import DocumentGroup
-from grouping import document_group_link
 from grouping.utils import get_document_group_subtemplate
 from metadata.api import save_metadata_list, \
     decode_metadata_from_url, metadata_repr_as_list
@@ -288,7 +286,7 @@ def document_view_simple(request, document_id):
         {
             'name': 'generic_form_subtemplate.html',
             'context': {
-                'title':_(u'document properties'),
+                'title': _(u'document properties'),
                 'form': content_form,
                 'object': document,
             },
diff --git a/apps/permissions/api.py b/apps/permissions/api.py
index 9b1942a676..21e5dcda4a 100644
--- a/apps/permissions/api.py
+++ b/apps/permissions/api.py
@@ -1,8 +1,5 @@
-#from django.contrib.auth.models import User
-#from django.contrib.auth.models import Group
 from django.db.utils import DatabaseError
 from django.shortcuts import get_object_or_404
-from django.contrib.contenttypes.models import ContentType
 from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
 from django.core.exceptions import PermissionDenied
@@ -11,7 +8,7 @@ from permissions import PERMISSION_ROLE_VIEW, PERMISSION_ROLE_EDIT, \
     PERMISSION_ROLE_CREATE, PERMISSION_ROLE_DELETE, \
     PERMISSION_PERMISSION_GRANT, PERMISSION_PERMISSION_REVOKE
 
-from permissions.models import Permission, Role
+from permissions.models import Permission
 
 
 def register_permissions(namespace, permissions):
diff --git a/apps/permissions/models.py b/apps/permissions/models.py
index f4be0c541d..6792bf36ed 100644
--- a/apps/permissions/models.py
+++ b/apps/permissions/models.py
@@ -2,7 +2,7 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import User
 
 
 class PermissionManager(models.Manager):