doc coherence

docs/configuration.rst

@@ -637,7 +637,6 @@ Cassandra backend settings
 
         $ pip install pycassa
 
-
 This backend requires the following configuration directives to be set.
 
 .. setting:: CASSANDRA_SERVERS
@@ -649,10 +648,6 @@ List of ``host:port`` Cassandra servers. e.g.::
 
     CASSANDRA_SERVERS = ['localhost:9160']
 
-Omit the ``port`` part when using new_cassandra. e.g.::
-
-    CASSANDRA_SERVERS = ['localhost']
-
 .. setting:: CASSANDRA_KEYSPACE
 
 CASSANDRA_KEYSPACE
@@ -699,8 +694,6 @@ use the ``TimeUUID`` type as a comparator::
 
     create column family task_results with comparator = TimeUUIDType;
 
-new_cassandra uses detailed mode by default, and that cannot be disabled.
-
 CASSANDRA_OPTIONS
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~