diff --git a/libdevcore/Log.cpp b/libdevcore/Log.cpp
index 0d52e24de..fc936e235 100644
--- a/libdevcore/Log.cpp
+++ b/libdevcore/Log.cpp
@@ -27,7 +27,6 @@
 #ifdef __APPLE__
 #include <pthread.h>
 #endif
-#include <boost/asio/ip/tcp.hpp>
 #include "Guards.h"
 using namespace std;
 using namespace dev;
@@ -96,11 +95,6 @@ LogOutputStreamBase::LogOutputStreamBase(char const* _id, std::type_info const*
 	}
 }
 
-void LogOutputStreamBase::append(boost::asio::ip::basic_endpoint<boost::asio::ip::tcp> const& _t)
-{
-	m_sstr << EthNavyUnder "tcp://" << _t << EthReset;
-}
-
 /// Associate a name with each thread for nice logging.
 struct ThreadLocalLogName
 {
diff --git a/libdevcore/Log.h b/libdevcore/Log.h
index 92e9493f1..4179d1f38 100644
--- a/libdevcore/Log.h
+++ b/libdevcore/Log.h
@@ -131,7 +131,6 @@ public:
 	void append(std::string const& _t) { m_sstr << EthGreen "\"" + _t + "\"" EthReset; }
 	void append(bytes const& _t) { m_sstr << EthYellow "%" << toHex(_t) << EthReset; }
 	void append(bytesConstRef _t) { m_sstr << EthYellow "%" << toHex(_t) << EthReset; }
-	void append(boost::asio::ip::basic_endpoint<boost::asio::ip::tcp> const& _t);
 	template <class T> void append(std::vector<T> const& _t)
 	{
 		m_sstr << EthWhite "[" EthReset;
diff --git a/libethcore/EthashAux.cpp b/libethcore/EthashAux.cpp
index 88e80dc5b..fae8ce2e1 100644
--- a/libethcore/EthashAux.cpp
+++ b/libethcore/EthashAux.cpp
@@ -22,7 +22,6 @@
 #include "EthashAux.h"
 
 #include <boost/detail/endian.hpp>
-#include <boost/filesystem.hpp>
 #include <chrono>
 #include <array>
 #include <thread>
@@ -38,7 +37,6 @@ using namespace std;
 using namespace chrono;
 using namespace dev;
 using namespace eth;
-using namespace boost::filesystem;
 
 const char* DAGChannel::name() { return EthGreen "DAG"; }