old_contents: from django.conf.urls.defaults import patterns, url
  
  # Uncomment the next two lines to enable the admin:
  # from django.contrib import admin
  # admin.autodiscover()
  
  urlpatterns = patterns('',
      url(r'^(?P<org>[^/]+)/(?P<course>[^/]+)/calendar/', 'contentstore.views.calendar', name='calendar'),
      url(r'^accounts/login/', 'instructor.views.do_login', name='login'),
      url(r'^$', 'contentstore.views.index', name='index'),
  )
  
new_contents: from django.conf.urls.defaults import patterns, url
  
  # Uncomment the next two lines to enable the admin:
  # from django.contrib import admin
  # admin.autodiscover()
  
  urlpatterns = patterns('',
      url(r'^$', 'contentstore.views.index', name='index'),
  )
  
subject: Remove unused urls