diff --git a/daemon/face/websocket-factory.hpp b/daemon/face/websocket-factory.hpp
index 7271b0a..87947ba 100644
--- a/daemon/face/websocket-factory.hpp
+++ b/daemon/face/websocket-factory.hpp
@@ -47,9 +47,6 @@
     }
   };
 
-  explicit
-  WebSocketFactory(const std::string& defaultPort);
-
   /**
    * \brief Create WebSocket-based channel using websocket::Endpoint
    *
@@ -76,16 +73,16 @@
    * \throws WebSocketFactory::Error
    */
   shared_ptr<WebSocketChannel>
-  createChannel(const std::string& localIp, const std::string& port);
+  createChannel(const std::string& localIp, const std::string& localPort);
 
-  // from ProtocolFactory
+public: // from ProtocolFactory
   virtual void
   createFace(const FaceUri& uri,
              ndn::nfd::FacePersistency persistency,
              const FaceCreatedCallback& onCreated,
-             const FaceConnectFailedCallback& onConnectFailed) DECL_OVERRIDE;
+             const FaceCreationFailedCallback& onConnectFailed) DECL_OVERRIDE;
 
-  virtual std::list<shared_ptr<const Channel> >
+  virtual std::vector<shared_ptr<const Channel>>
   getChannels() const DECL_OVERRIDE;
 
 private:
@@ -94,16 +91,12 @@
    *
    * \returns shared pointer to the existing WebSocketChannel object
    *          or empty shared pointer when such channel does not exist
-   *
-   * \throws never
    */
   shared_ptr<WebSocketChannel>
-  findChannel(const websocket::Endpoint& localEndpoint);
+  findChannel(const websocket::Endpoint& endpoint) const;
 
-  typedef std::map< websocket::Endpoint, shared_ptr<WebSocketChannel> > ChannelMap;
-  ChannelMap m_channels;
-
-  std::string m_defaultPort;
+private:
+  std::map<websocket::Endpoint, shared_ptr<WebSocketChannel>> m_channels;
 };
 
 } // namespace nfd