diff --git a/socketio/namespace.py b/socketio/namespace.py
index 7eb4834..982cf22 100644
--- a/socketio/namespace.py
+++ b/socketio/namespace.py
@@ -15,7 +15,7 @@ class Namespace(object):
         self.server = None
         self.middlewares = []
 
-    def set_server(self, server):
+    def _set_server(self, server):
         self.server = server
 
     def emit(self, event, data=None, room=None, skip_sid=None, namespace=None,
@@ -91,7 +91,7 @@ class Namespace(object):
         return self.server.disconnect(sid,
                                       namespace=namespace or self.name)
 
-    def get_event_handler(self, event_name):
+    def _get_event_handler(self, event_name):
         """Returns the event handler for given ``event`` in this namespace or
         ``None``, if none exists.
 
diff --git a/socketio/server.py b/socketio/server.py
index d87f714..9ba5429 100644
--- a/socketio/server.py
+++ b/socketio/server.py
@@ -167,7 +167,7 @@ class Server(object):
         """
         if not isinstance(namespace_handler, namespace.Namespace):
             raise ValueError('Not a namespace instance')
-        namespace_handler.set_server(self)
+        namespace_handler._set_server(self)
         self.namespace_handlers[namespace_handler.name] = \
             namespace_handler
 
@@ -453,7 +453,7 @@ class Server(object):
         elif namespace in self.namespace_handlers:
             ns = self.namespace_handlers[namespace]
             middlewares.extend(ns.middlewares)
-            handler = ns.get_event_handler(event)
+            handler = ns._get_event_handler(event)
         if handler is not None:
             middlewares.extend(getattr(handler, '_sio_middlewares', []))
             handler = self._apply_middlewares(middlewares, event, namespace,
diff --git a/tests/test_namespace.py b/tests/test_namespace.py
index 958ec21..90a6330 100644
--- a/tests/test_namespace.py
+++ b/tests/test_namespace.py
@@ -17,8 +17,8 @@ class TestNamespace(unittest.TestCase):
                 result['result'] = (sid, environ)
 
         ns = MyNamespace('/foo')
-        ns.set_server(mock.MagicMock())
-        ns.get_event_handler('connect')('sid', {'foo': 'bar'})
+        ns._set_server(mock.MagicMock())
+        ns._get_event_handler('connect')('sid', {'foo': 'bar'})
         self.assertEqual(result['result'], ('sid', {'foo': 'bar'}))
 
     def test_disconnect_event(self):
@@ -29,8 +29,8 @@ class TestNamespace(unittest.TestCase):
                 result['result'] = sid
 
         ns = MyNamespace('/foo')
-        ns.set_server(mock.MagicMock())
-        ns.get_event_handler('disconnect')('sid')
+        ns._set_server(mock.MagicMock())
+        ns._get_event_handler('disconnect')('sid')
         self.assertEqual(result['result'], 'sid')
 
     def test_event(self):
@@ -41,8 +41,8 @@ class TestNamespace(unittest.TestCase):
                 result['result'] = (sid, data)
 
         ns = MyNamespace('/foo')
-        ns.set_server(mock.MagicMock())
-        ns.get_event_handler('custom_message')('sid', {'data': 'data'})
+        ns._set_server(mock.MagicMock())
+        ns._get_event_handler('custom_message')('sid', {'data': 'data'})
         self.assertEqual(result['result'], ('sid', {'data': 'data'}))
 
     def test_event_not_found(self):
@@ -53,13 +53,13 @@ class TestNamespace(unittest.TestCase):
                 result['result'] = (sid, data)
 
         ns = MyNamespace('/foo')
-        ns.set_server(mock.MagicMock())
-        self.assertIsNone(ns.get_event_handler('another_custom_message'))
+        ns._set_server(mock.MagicMock())
+        self.assertIsNone(ns._get_event_handler('another_custom_message'))
         self.assertEqual(result, {})
 
     def test_emit(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.emit('ev', data='data', room='room', skip_sid='skip',
                 callback='cb')
         ns.server.emit.assert_called_with(
@@ -73,7 +73,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_send(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.send(data='data', room='room', skip_sid='skip', callback='cb')
         ns.server.send.assert_called_with(
             'data', room='room', skip_sid='skip', namespace='/foo',
@@ -86,7 +86,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_enter_room(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.enter_room('sid', 'room')
         ns.server.enter_room.assert_called_with('sid', 'room',
                                                 namespace='/foo')
@@ -96,7 +96,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_leave_room(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.leave_room('sid', 'room')
         ns.server.leave_room.assert_called_with('sid', 'room',
                                                 namespace='/foo')
@@ -106,7 +106,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_close_room(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.close_room('room')
         ns.server.close_room.assert_called_with('room', namespace='/foo')
         ns.close_room('room', namespace='/bar')
@@ -114,7 +114,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_rooms(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.rooms('sid')
         ns.server.rooms.assert_called_with('sid', namespace='/foo')
         ns.rooms('sid', namespace='/bar')
@@ -122,7 +122,7 @@ class TestNamespace(unittest.TestCase):
 
     def test_disconnect(self):
         ns = namespace.Namespace('/foo')
-        ns.set_server(mock.MagicMock())
+        ns._set_server(mock.MagicMock())
         ns.disconnect('sid')
         ns.server.disconnect.assert_called_with('sid', namespace='/foo')
         ns.disconnect('sid', namespace='/bar')