diff --git a/django/contrib/sessions/middleware.py b/django/contrib/sessions/middleware.py
index 1498f3c8ba..434997d616 100644
--- a/django/contrib/sessions/middleware.py
+++ b/django/contrib/sessions/middleware.py
@@ -36,6 +36,9 @@ class SessionWrapper(object):
     def get(self, key, default=None):
         return self._session.get(key, default)
 
+    def pop(self, key, *args):
+        return self._session.pop(key, *args)
+
     def set_test_cookie(self):
         self[TEST_COOKIE_NAME] = TEST_COOKIE_VALUE
 
diff --git a/django/contrib/sessions/tests.py b/django/contrib/sessions/tests.py
new file mode 100644
index 0000000000..5a28effa86
--- /dev/null
+++ b/django/contrib/sessions/tests.py
@@ -0,0 +1,19 @@
+r"""
+>>> s = SessionWrapper(None)
+
+Inject data into the session cache.
+>>> s._session_cache = {}
+>>> s._session_cache['some key'] = 'exists'
+
+>>> s.pop('some key')
+'exists'
+
+>>> s.pop('some key', 'does not exist')
+'does not exist'
+"""
+
+from django.contrib.sessions.middleware import SessionWrapper
+
+if __name__ == '__main__':
+    import doctest
+    doctest.testmod()