diff --git a/src/crypto/scrypt.cpp b/src/crypto/scrypt.cpp
index 8e1e1b5..65edf8c 100644
--- a/src/crypto/scrypt.cpp
+++ b/src/crypto/scrypt.cpp
@@ -5,17 +5,21 @@
 
 #include <openssl/evp.h>
 
+/*
 #define SCRYPT_SALSA 1
 #define SCRYPT_SHA256 1
 
 #include "code/scrypt-jane-portable.h"
 #include "code/scrypt-jane-romix.h"
+*/
 
 namespace fc {
 
    void scrypt_derive_key( const std::vector<unsigned char> &passphrase, const std::vector<unsigned char> &salt,
                            unsigned int n, unsigned int r, unsigned int p, std::vector<unsigned char> &key )
    {
+      FC_ASSERT( !"Does not compile on OS X" );
+      /*
       unsigned int chunk_bytes = SCRYPT_BLOCK_BYTES * r * 2;
       std::vector<unsigned char> yx((p+1) * chunk_bytes);
 
@@ -48,6 +52,7 @@ namespace fc {
 
       std::fill( yx.begin(), yx.end(), 0 );
       std::fill( v.begin(), v.end(), 0 );
+      */
    }
 
 } // namespace fc