diff --git a/ndn-cpp/encoding/binary-xml-decoder.hpp b/ndn-cpp/encoding/binary-xml-decoder.hpp
index 3e371c3..e7583e5 100644
--- a/ndn-cpp/encoding/binary-xml-decoder.hpp
+++ b/ndn-cpp/encoding/binary-xml-decoder.hpp
@@ -12,8 +12,9 @@
 #include "../c/errors.h"
 #include "../c/encoding/binary-xml-decoder.h"
 
-namespace ndn {
+using namespace std;
 
+namespace ndn {
   
 /**
  * A BinaryXmlDecoder extends a C ndn_BinaryXmlDecoder struct and wraps related functions.
@@ -40,7 +41,7 @@
     int gotExpectedTag;
     ndn_Error error;
     if ((error = ndn_BinaryXmlDecoder_peekDTag(this, expectedTag, &gotExpectedTag)))
-      throw std::runtime_error(ndn_getErrorString(error));
+      throw runtime_error(ndn_getErrorString(error));
     
     return gotExpectedTag;
   }
diff --git a/ndn-cpp/encoding/binary-xml-structure-decoder.hpp b/ndn-cpp/encoding/binary-xml-structure-decoder.hpp
index 9ffd72b..2707763 100644
--- a/ndn-cpp/encoding/binary-xml-structure-decoder.hpp
+++ b/ndn-cpp/encoding/binary-xml-structure-decoder.hpp
@@ -36,7 +36,7 @@
   {
     ndn_Error error;
     if ((error = ndn_BinaryXmlStructureDecoder_findElementEnd(this, input, inputLength)))
-      throw std::runtime_error(ndn_getErrorString(error));
+      throw runtime_error(ndn_getErrorString(error));
     return gotElementEnd();
   }
   
diff --git a/ndn-cpp/encoding/binary-xml-wire-format.cpp b/ndn-cpp/encoding/binary-xml-wire-format.cpp
index 9bd6759..b1f4007 100644
--- a/ndn-cpp/encoding/binary-xml-wire-format.cpp
+++ b/ndn-cpp/encoding/binary-xml-wire-format.cpp
@@ -41,7 +41,7 @@
   BinaryXmlEncoder encoder;
   ndn_Error error;
   if ((error = ndn_encodeBinaryXmlInterest(&interestStruct, &encoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
      
   return encoder.getOutput();
 }
@@ -59,7 +59,7 @@
   BinaryXmlDecoder decoder(input, inputLength);  
   ndn_Error error;
   if ((error = ndn_decodeBinaryXmlInterest(&interestStruct, &decoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
 
   interest.set(interestStruct);
 }
@@ -78,7 +78,7 @@
   BinaryXmlEncoder encoder;
   ndn_Error error;
   if ((error = ndn_encodeBinaryXmlData(&dataStruct, signedPortionBeginOffset, signedPortionEndOffset, &encoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
      
   return encoder.getOutput();
 }
@@ -97,7 +97,7 @@
   BinaryXmlDecoder decoder(input, inputLength);  
   ndn_Error error;
   if ((error = ndn_decodeBinaryXmlData(&dataStruct, signedPortionBeginOffset, signedPortionEndOffset, &decoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
 
   data.set(dataStruct);
 }
@@ -114,7 +114,7 @@
   BinaryXmlEncoder encoder;
   ndn_Error error;
   if ((error = ndn_encodeBinaryXmlForwardingEntry(&forwardingEntryStruct, &encoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
      
   return encoder.getOutput();
 }
@@ -130,7 +130,7 @@
   BinaryXmlDecoder decoder(input, inputLength);  
   ndn_Error error;
   if ((error = ndn_decodeBinaryXmlForwardingEntry(&forwardingEntryStruct, &decoder)))
-    throw std::runtime_error(ndn_getErrorString(error));
+    throw runtime_error(ndn_getErrorString(error));
 
   forwardingEntry.set(forwardingEntryStruct);
 }
diff --git a/ndn-cpp/encoding/der/der.cpp b/ndn-cpp/encoding/der/der.cpp
index 6d269c1..fc31161 100644
--- a/ndn-cpp/encoding/der/der.cpp
+++ b/ndn-cpp/encoding/der/der.cpp
@@ -297,7 +297,7 @@
   DerNode::encodeHeader(payload_.size());
 }
 
-DerByteString::DerByteString(const std::vector<uint8_t>& blob, DerType type)
+DerByteString::DerByteString(const vector<uint8_t>& blob, DerType type)
   :DerNode(type)
 {
   payload_.insert(payload_.end(), blob.begin(), blob.end());
diff --git a/ndn-cpp/encoding/der/visitor/print-visitor.cpp b/ndn-cpp/encoding/der/visitor/print-visitor.cpp
index ab56b5d..cba5d2d 100644
--- a/ndn-cpp/encoding/der/visitor/print-visitor.cpp
+++ b/ndn-cpp/encoding/der/visitor/print-visitor.cpp
@@ -50,7 +50,7 @@
   const string& indent = ndnboost::any_cast<const string&>(param);
       
   printData(derBStr.getHeader(), indent);
-  const std::vector<uint8_t>& payload = derBStr.getPayload();
+  const vector<uint8_t>& payload = derBStr.getPayload();
   cout << indent << "   " << " " << hex << setw(2) << setfill('0') << (int)(uint8_t)payload[0] << endl;
   printData(payload, indent + "   ", 1);
 }