diff --git a/django/utils/httpwrappers.py b/django/utils/httpwrappers.py
index 107b63d40b..8b50688f66 100644
--- a/django/utils/httpwrappers.py
+++ b/django/utils/httpwrappers.py
@@ -175,6 +175,12 @@ class HttpResponse:
             if val is not None:
                 self.cookies[key][var.replace('_', '-')] = val
 
+    def delete_cookie(self, key):
+        try:
+            self.cookies[key]['max_age'] = 0
+        except KeyError:
+            pass
+
     def get_content_as_string(self, encoding):
         """
         Returns the content as a string, encoding it from a Unicode object if
diff --git a/docs/request_response.txt b/docs/request_response.txt
index a004b99126..5b01fc3482 100644
--- a/docs/request_response.txt
+++ b/docs/request_response.txt
@@ -286,6 +286,10 @@ Methods
 
     .. _`cookie Morsel`: http://www.python.org/doc/current/lib/morsel-objects.html
 
+``delete_cookie(key)``
+    Deletes the cookie with the given key. Fails silently if the key doesn't
+    exist.
+
 ``get_content_as_string(encoding)``
     Returns the content as a Python string, encoding it from a Unicode object
     if necessary.