diff --git a/docs/topics/class-based-views/index.txt b/docs/topics/class-based-views/index.txt
index 6a629cb887..17e8b66f8f 100644
--- a/docs/topics/class-based-views/index.txt
+++ b/docs/topics/class-based-views/index.txt
@@ -118,7 +118,7 @@ And the view::
 
         def head(self, *args, **kwargs):
             last_book = self.get_queryset().latest('publication_date')
-            response = HttpResponse('')
+            response = HttpResponse()
             # RFC 1123 date format
             response['Last-Modified'] = last_book.publication_date.strftime('%a, %d %b %Y %H:%M:%S GMT')
             return response
diff --git a/tests/file_uploads/views.py b/tests/file_uploads/views.py
index d4947e4134..1d1e745b71 100644
--- a/tests/file_uploads/views.py
+++ b/tests/file_uploads/views.py
@@ -20,7 +20,7 @@ def file_upload_view(request):
         # not the full path.
         if os.path.dirname(form_data['file_field'].name) != '':
             return HttpResponseServerError()
-        return HttpResponse('')
+        return HttpResponse()
     else:
         return HttpResponseServerError()
 
@@ -50,7 +50,7 @@ def file_upload_view_verify(request):
     obj = FileModel()
     obj.testfile.save(largefile.name, largefile)
 
-    return HttpResponse('')
+    return HttpResponse()
 
 
 def file_upload_unicode_name(request):
@@ -79,7 +79,7 @@ def file_upload_unicode_name(request):
     if response:
         return response
     else:
-        return HttpResponse('')
+        return HttpResponse()
 
 
 def file_upload_echo(request):
@@ -157,4 +157,4 @@ def file_upload_content_type_extra(request):
 def file_upload_fd_closing(request, access):
     if access == 't':
         request.FILES  # Trigger file parsing.
-    return HttpResponse('')
+    return HttpResponse()
diff --git a/tests/middleware/views.py b/tests/middleware/views.py
index 50e23d1782..3f8e055a53 100644
--- a/tests/middleware/views.py
+++ b/tests/middleware/views.py
@@ -2,4 +2,4 @@ from django.http import HttpResponse
 
 
 def empty_view(request, *args, **kwargs):
-    return HttpResponse('')
+    return HttpResponse()
diff --git a/tests/project_template/views.py b/tests/project_template/views.py
index 50e23d1782..3f8e055a53 100644
--- a/tests/project_template/views.py
+++ b/tests/project_template/views.py
@@ -2,4 +2,4 @@ from django.http import HttpResponse
 
 
 def empty_view(request, *args, **kwargs):
-    return HttpResponse('')
+    return HttpResponse()
diff --git a/tests/servers/views.py b/tests/servers/views.py
index 1db56f44a3..fa30b0ce7b 100644
--- a/tests/servers/views.py
+++ b/tests/servers/views.py
@@ -22,7 +22,7 @@ def model_view(request):
 def create_model_instance(request):
     person = Person(name='emily')
     person.save()
-    return HttpResponse('')
+    return HttpResponse()
 
 
 def environ_view(request):
diff --git a/tests/test_client_regress/views.py b/tests/test_client_regress/views.py
index 5e4c9968fd..f252cfc39f 100644
--- a/tests/test_client_regress/views.py
+++ b/tests/test_client_regress/views.py
@@ -21,7 +21,7 @@ def no_template_view(request):
 def staff_only_view(request):
     "A view that can only be visited by staff. Non staff members get an exception"
     if request.user.is_staff:
-        return HttpResponse('')
+        return HttpResponse()
     else:
         raise CustomTestException()
 
diff --git a/tests/test_utils/views.py b/tests/test_utils/views.py
index 6c30d07199..91d71f296d 100644
--- a/tests/test_utils/views.py
+++ b/tests/test_utils/views.py
@@ -16,4 +16,4 @@ def no_template_used(request):
 
 
 def empty_response(request):
-    return HttpResponse('')
+    return HttpResponse()
diff --git a/tests/urlpatterns/views.py b/tests/urlpatterns/views.py
index 50e23d1782..3f8e055a53 100644
--- a/tests/urlpatterns/views.py
+++ b/tests/urlpatterns/views.py
@@ -2,4 +2,4 @@ from django.http import HttpResponse
 
 
 def empty_view(request, *args, **kwargs):
-    return HttpResponse('')
+    return HttpResponse()
diff --git a/tests/urlpatterns_reverse/views.py b/tests/urlpatterns_reverse/views.py
index 584c70a6e5..3cf97723d4 100644
--- a/tests/urlpatterns_reverse/views.py
+++ b/tests/urlpatterns_reverse/views.py
@@ -7,11 +7,11 @@ from django.views.generic import RedirectView
 
 
 def empty_view(request, *args, **kwargs):
-    return HttpResponse('')
+    return HttpResponse()
 
 
 def absolute_kwargs_view(request, arg1=1, arg2=2):
-    return HttpResponse('')
+    return HttpResponse()
 
 
 def defaults_view(request, arg1, arg2):
@@ -27,7 +27,7 @@ def erroneous_view(request):
 
 
 def pass_resolver_match_view(request, *args, **kwargs):
-    response = HttpResponse('')
+    response = HttpResponse()
     response.resolver_match = request.resolver_match
     return response
 
@@ -37,7 +37,7 @@ uncallable = None  # neither a callable nor a string
 
 class ViewClass:
     def __call__(self, request, *args, **kwargs):
-        return HttpResponse('')
+        return HttpResponse()
 
 
 view_class_instance = ViewClass()