diff --git a/ndn-cpp/encoding/BinaryXMLWireFormat.hpp b/ndn-cpp/encoding/BinaryXMLWireFormat.hpp
index c757103..46f0d21 100644
--- a/ndn-cpp/encoding/BinaryXMLWireFormat.hpp
+++ b/ndn-cpp/encoding/BinaryXMLWireFormat.hpp
@@ -14,11 +14,11 @@
 
 class BinaryXMLWireFormat : public WireFormat {
 public:
-  virtual void encodeName(Name &name, std::vector<unsigned char> &output);
+  //virtual void encodeName(Name &name, std::vector<unsigned char> &output);
   virtual void decodeName(Name &name, const unsigned char *input, unsigned int inputLength);
 
-  virtual void encodeInterest(Interest &interest, std::vector<unsigned char> &output);
-  virtual void decodeInterest(Interest &interest, const unsigned char *input, unsigned int inputLength);
+  //virtual void encodeInterest(Interest &interest, std::vector<unsigned char> &output);
+  //virtual void decodeInterest(Interest &interest, const unsigned char *input, unsigned int inputLength);
   
   static BinaryXMLWireFormat &instance() { return instance_; }