Index: django/contrib/auth/views.py
===================================================================
--- django/contrib/auth/views.py        (revision 3138)
+++ django/contrib/auth/views.py        (working copy)
@@ -60,12 +60,14 @@
                 form.save(request.META['HTTP_HOST'])
             else:
                 form.save()
+            if SESSION_KEY in request.session:
+                del request.session[SESSION_KEY]
             return HttpResponseRedirect('%sdone/' % request.path)
     return render_to_response(template_name, {'form': forms.FormWrapper(form, new_data, errors)},
         context_instance=RequestContext(request))
 
 def password_reset_done(request, template_name='registration/password_reset_done.html'):
-    return render_to_response(template_name, context_instance=RequestContext(request))
+    return render_to_response(template_name)
 
 def password_change(request, template_name='registration/password_change_form.html'):
     new_data, errors = {}, {}