diff --git a/src/miner.cpp b/src/miner.cpp
index 97b04897d..64138ab8f 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -423,41 +423,6 @@ void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash
 double dHashesPerSec = 0.0;
 int64_t nHPSTimerStart = 0;
 
-//
-// ScanHash scans nonces looking for a hash with at least some zero bits.
-// It operates on big endian data.  Caller does the byte reversing.
-// All input buffers are 16-byte aligned.  nNonce is usually preserved
-// between calls, but periodically or if nNonce is 0xffff0000 or above,
-// the block is rebuilt and nNonce starts over at zero.
-//
-unsigned int static ScanHash_CryptoPP(char* pmidstate, char* pdata, char* phash1, char* phash, unsigned int& nHashesDone)
-{
-    unsigned int& nNonce = *(unsigned int*)(pdata + 12);
-    for (;;)
-    {
-        // Crypto++ SHA256
-        // Hash pdata using pmidstate as the starting state into
-        // pre-formatted buffer phash1, then hash phash1 into phash
-        nNonce++;
-        SHA256Transform(phash1, pdata, pmidstate);
-        SHA256Transform(phash, phash1, pSHA256InitState);
-
-        // Return the nonce if the hash has at least some zero bits,
-        // caller will check if it has enough to reach the target
-        if (((unsigned short*)phash)[14] == 0)
-            return nNonce;
-
-        // If nothing found after trying for a while, return -1
-        if ((nNonce & 0xffff) == 0)
-        {
-            nHashesDone = 0xffff+1;
-            return (unsigned int) -1;
-        }
-        if ((nNonce & 0xfff) == 0)
-            boost::this_thread::interruption_point();
-    }
-}
-
 CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey)
 {
     CPubKey pubkey;