Removed some unused methods.

lib/mongo/connection.rb

@@ -288,6 +288,7 @@ module Mongo
           socket = TCPSocket.new(host, port)
           socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
 
+          # If we're connected to master, set the @host and @port
           result = self['admin'].command({:ismaster => 1}, false, false, socket)
           if result['ok'] == 1 && ((is_master = result['ismaster'] == 1) || @slave_ok)
             @host, @port = host, port
@@ -308,27 +309,6 @@ module Mongo
       raise ConnectionFailure, "failed to connect to any given host:port" unless socket
     end
 
-    # NOTE: might not need this.
-    # Are we connected to the master node?
-    def master?
-      doc = self['admin'].command(:ismaster => 1)
-      doc['ok'] == 1 && doc['ismaster'] == 1
-    end
-
-    # NOTE: might not need this.
-    # Returns a string of the form "host:port" that points to the master
-    # database. Works even if this _is_ the master database.
-    def master
-      doc = self['admin'].command(:ismaster => 1)
-      if doc['ok'] == 1 && doc['ismaster'] == 1
-        "#@host:#@port"
-      elsif doc['remote']
-       doc['remote']
-      else
-        raise "Error retrieving master database: #{doc.inspect}"
-      end
-    end
-
     # Are we connected to MongoDB? This is determined by checking whether
     # @host and @port have values, since they're set to nil on calls to #close.
     def connected?

test/test_db_api.rb

@@ -475,14 +475,6 @@ class DBAPITest < Test::Unit::TestCase
     end
   end
 
-  def test_ismaster
-    assert @@conn.master?
-  end
-
-  def test_master
-    assert_equal "#{@@conn.host}:#{@@conn.port}", @@conn.master
-  end
-
   def test_where
     @@coll.insert('a' => 2)
     @@coll.insert('a' => 3)

test/test_slave_connection.rb

@@ -10,7 +10,8 @@ class SlaveConnectionTest < Test::Unit::TestCase
     @@host = ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost'
     @@port = ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT
     conn = Connection.new(@@host, @@port, :slave_ok => true)
-    !conn.master?
+    cmd = conn['admin'].command(:ismaster => 1)
+    cmd['ok'] == 1 && cmd['ismaster'] != 1
   end
 
   if self.connect_to_slave