diff --git a/include/fc/array.hpp b/include/fc/array.hpp
index cae423f..b465b59 100644
--- a/include/fc/array.hpp
+++ b/include/fc/array.hpp
@@ -117,8 +117,6 @@ namespace fc {
 #include <fc/crypto/city.hpp>
 namespace std
 {
-    template<typename T> struct hash;
-
     template<typename T, size_t N>
     struct hash<fc::array<T,N> >
     {
diff --git a/include/fc/crypto/ripemd160.hpp b/include/fc/crypto/ripemd160.hpp
index 9816fe4..5cf404d 100644
--- a/include/fc/crypto/ripemd160.hpp
+++ b/include/fc/crypto/ripemd160.hpp
@@ -79,8 +79,6 @@ class ripemd160
 
 namespace std
 {
-    template<typename T> struct hash;
-
     template<>
     struct hash<fc::ripemd160>
     {
diff --git a/include/fc/crypto/sha1.hpp b/include/fc/crypto/sha1.hpp
index 991ae57..62d077c 100644
--- a/include/fc/crypto/sha1.hpp
+++ b/include/fc/crypto/sha1.hpp
@@ -72,8 +72,6 @@ class sha1
 
 namespace std
 {
-    template<typename T> struct hash;
-
     template<>
     struct hash<fc::sha1>
     {
diff --git a/include/fc/crypto/sha224.hpp b/include/fc/crypto/sha224.hpp
index 26fd51b..a7ed1ae 100644
--- a/include/fc/crypto/sha224.hpp
+++ b/include/fc/crypto/sha224.hpp
@@ -73,8 +73,6 @@ class sha224
 } // fc
 namespace std
 {
-    template<typename T> struct hash;
-
     template<>
     struct hash<fc::sha224>
     {
diff --git a/include/fc/network/endpoint.hpp b/include/fc/network/endpoint.hpp
deleted file mode 100644
index f1805f3..0000000
--- a/include/fc/network/endpoint.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#pragma once
-#include <fc/string.hpp>
-
-namespace fc {
-
-  namespace ip {
-    class address {
-      public:
-        address( uint32_t _ip = 0 );
-        address( const fc::string& s );
-
-
-        address& operator=( const fc::string& s );
-        operator fc::string()const;
-
-        uint32_t ip()const { return _ip; }
-
-
-      private:
-        uint32_t _ip;
-    };
-    
-    class endpoint {
-      public:
-        endpoint();
-        endpoint( const fc::string& i, uint16_t p );
-        endpoint( const address& i,    uint16_t p );
-
-        uint16_t        port()const        { return _port; }
-        fc::ip::address get_address()const { return _ip;   }
-    
-      private:
-        uint16_t _port;
-        address  _ip;
-    };
-  }
-}
diff --git a/include/fc/network/ip.hpp b/include/fc/network/ip.hpp
index 900c89a..60b95d7 100644
--- a/include/fc/network/ip.hpp
+++ b/include/fc/network/ip.hpp
@@ -112,8 +112,6 @@ namespace fc {
 }
 namespace std
 {
-    template<typename T> struct hash;
-
     template<>
     struct hash<fc::ip::endpoint>
     {
diff --git a/include/fc/uint128.hpp b/include/fc/uint128.hpp
index aab14f2..5375b4d 100644
--- a/include/fc/uint128.hpp
+++ b/include/fc/uint128.hpp
@@ -104,8 +104,6 @@ namespace fc
 
 namespace std
 {
-    template<typename T> struct hash;
-
     template<>
     struct hash<fc::uint128>
     {