diff --git a/include/fc/crypto/sha256.hpp b/include/fc/crypto/sha256.hpp
index bdc6737..07c5bdd 100644
--- a/include/fc/crypto/sha256.hpp
+++ b/include/fc/crypto/sha256.hpp
@@ -117,8 +117,6 @@ namespace raw {
   void to_variant( const sha256& bi, variant& v, uint32_t max_depth );
   void from_variant( const variant& v, sha256& bi, uint32_t max_depth );
 
-  uint64_t hash64(const char* buf, size_t len);    
-
 } // fc
 namespace std
 {
diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp
index c3edd9b..d5d7975 100644
--- a/src/crypto/sha256.cpp
+++ b/src/crypto/sha256.cpp
@@ -205,12 +205,6 @@ namespace fc {
          memcpy( &bi, ve.data(), std::min<size_t>(ve.size(),sizeof(bi)) );
   }
 
-  uint64_t hash64(const char* buf, size_t len)
-  {
-    sha256 sha_value = sha256::hash(buf,len);
-    return sha_value._hash[0];
-  }
-
     template<>
     unsigned int hmac<sha256>::internal_block_size() const { return 64; }
 } //end namespace fc