remove the permission arg from add_route

CHANGES.rst

@@ -21,8 +21,8 @@ Features
   instead of ``pyramid.util.Request``.
   See https://github.com/Pylons/pyramid/pull/3129
 
-- In ``cherrypy_server_runner``, prefer imports from the ``cheroot`` package over the legacy
-  imports from `cherrypy.wsgiserver`.
+- In ``cherrypy_server_runner``, prefer imports from the ``cheroot`` package
+  over the legacy imports from `cherrypy.wsgiserver`.
   See https://github.com/Pylons/pyramid/pull/3235
 
 - Add a context manager ``route_prefix_context`` to the
@@ -33,9 +33,9 @@ Features
 Bug Fixes
 ---------
 
-- Set appropriate ``code`` and ``title`` attributes on the ``HTTPClientError`` and
-  ``HTTPServerError`` exception classes. This prevents inadvertently returning a 520
-  error code.
+- Set appropriate ``code`` and ``title`` attributes on the ``HTTPClientError``
+  and ``HTTPServerError`` exception classes. This prevents inadvertently
+  returning a 520 error code.
   See https://github.com/Pylons/pyramid/pull/3280
 
 - Replace ``webob.acceptparse.MIMEAccept`` from WebOb with
@@ -54,6 +54,11 @@ Backward Incompatibilities
   depending on it directly within your project.
   See https://github.com/Pylons/pyramid/pull/3140
 
+- Remove the ``permission`` argument from
+  ``pyramid.config.Configurator.add_route``. This was an argument left over
+  from a feature removed in Pyramid 1.5 and has had no effect since then.
+  See https://github.com/Pylons/pyramid/pull/3299
+
 Documentation Changes
 ---------------------
 

pyramid/config/routes.py

@@ -24,7 +24,6 @@ class RoutesConfiguratorMixin(object):
     def add_route(self,
                   name,
                   pattern=None,
-                  permission=None,
                   factory=None,
                   for_=None,
                   header=None,