diff --git a/django/contrib/admin/__init__.py b/django/contrib/admin/__init__.py
index 92886ab..25a5651 100644
--- a/django/contrib/admin/__init__.py
+++ b/django/contrib/admin/__init__.py
@@ -1,4 +1,3 @@
-from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
 from django.contrib.admin.options import ModelAdmin, HORIZONTAL, VERTICAL
 from django.contrib.admin.options import StackedInline, TabularInline
 from django.contrib.admin.sites import AdminSite, site
diff --git a/django/contrib/admin/actions.py b/django/contrib/admin/actions.py
index b75c91b..87826be 100644
--- a/django/contrib/admin/actions.py
+++ b/django/contrib/admin/actions.py
@@ -8,9 +8,6 @@ from django.contrib.admin import helpers
 from django.contrib.admin.util import get_deleted_objects, model_ngettext
 from django.shortcuts import render_to_response
 from django.utils.encoding import force_unicode
-from django.utils.html import escape
-from django.utils.safestring import mark_safe
-from django.utils.text import capfirst
 from django.utils.translation import ugettext_lazy, ugettext as _
 
 def delete_selected(modeladmin, request, queryset):
diff --git a/django/contrib/admin/helpers.py b/django/contrib/admin/helpers.py
index 6bcaf80..1f6d6de 100644
--- a/django/contrib/admin/helpers.py
+++ b/django/contrib/admin/helpers.py
@@ -4,7 +4,6 @@ from django.contrib.admin.util import flatten_fieldsets, lookup_field
 from django.contrib.admin.util import display_for_field, label_for_field
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
-from django.db.models.fields import FieldDoesNotExist
 from django.db.models.fields.related import ManyToManyRel
 from django.forms.util import flatatt
 from django.template.defaultfilters import capfirst
diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py
index 3b6e2b7..ba89bae 100644
--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -5,7 +5,7 @@ from django.forms.models import BaseInlineFormSet
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.admin import widgets
 from django.contrib.admin import helpers
-from django.contrib.admin.util import unquote, flatten_fieldsets, get_deleted_objects, model_ngettext, model_format_dict
+from django.contrib.admin.util import unquote, flatten_fieldsets, get_deleted_objects, model_format_dict
 from django.contrib import messages
 from django.views.decorators.csrf import csrf_protect
 from django.core.exceptions import PermissionDenied, ValidationError
@@ -21,7 +21,7 @@ from django.utils.safestring import mark_safe
 from django.utils.functional import curry
 from django.utils.text import capfirst, get_text_list
 from django.utils.translation import ugettext as _
-from django.utils.translation import ungettext, ugettext_lazy
+from django.utils.translation import ungettext
 from django.utils.encoding import force_unicode
 
 HORIZONTAL, VERTICAL = 1, 2
diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index c05af0b..b24f133 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -6,7 +6,6 @@ from django.contrib.admin.views.main import ALL_VAR, EMPTY_CHANGELIST_VALUE
 from django.contrib.admin.views.main import ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR, SEARCH_VAR
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
-from django.forms.forms import pretty_name
 from django.utils import formats
 from django.utils.html import escape, conditional_escape
 from django.utils.safestring import mark_safe
diff --git a/django/contrib/admin/util.py b/django/contrib/admin/util.py
index 776a6f0..e606f9f 100644
--- a/django/contrib/admin/util.py
+++ b/django/contrib/admin/util.py
@@ -1,4 +1,3 @@
-from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 from django.forms.forms import pretty_name
 from django.utils import formats
@@ -6,7 +5,7 @@ from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.utils.text import capfirst
 from django.utils.encoding import force_unicode, smart_unicode, smart_str
-from django.utils.translation import ungettext, ugettext as _
+from django.utils.translation import ungettext
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.utils.datastructures import SortedDict
 
diff --git a/django/contrib/admin/validation.py b/django/contrib/admin/validation.py
index 8d7a8c9..0434fc6 100644
--- a/django/contrib/admin/validation.py
+++ b/django/contrib/admin/validation.py
@@ -4,7 +4,6 @@ from django.forms.models import (BaseModelForm, BaseModelFormSet, fields_for_mod
     _get_foreign_key)
 from django.contrib.admin.options import flatten_fieldsets, BaseModelAdmin
 from django.contrib.admin.options import HORIZONTAL, VERTICAL
-from django.contrib.admin.util import lookup_field
 
 
 __all__ = ['validate']
diff --git a/django/contrib/admin/views/decorators.py b/django/contrib/admin/views/decorators.py
index afdc075..67f82ed 100644
--- a/django/contrib/admin/views/decorators.py
+++ b/django/contrib/admin/views/decorators.py
@@ -1,11 +1,9 @@
-import base64
 try:
     from functools import wraps
 except ImportError:
     from django.utils.functional import wraps  # Python 2.4 fallback.
 
 from django import http, template
-from django.conf import settings
 from django.contrib.auth.models import User
 from django.contrib.auth import authenticate, login
 from django.shortcuts import render_to_response
diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py
index 8c09c10..e29d44a 100644
--- a/django/contrib/admin/views/main.py
+++ b/django/contrib/admin/views/main.py
@@ -3,7 +3,6 @@ from django.contrib.admin.options import IncorrectLookupParameters
 from django.contrib.admin.util import quote
 from django.core.paginator import Paginator, InvalidPage
 from django.db import models
-from django.db.models.query import QuerySet
 from django.utils.encoding import force_unicode, smart_str
 from django.utils.translation import ugettext
 from django.utils.http import urlencode
