diff --git a/src/hash.cpp b/src/hash.cpp
index 09a8f09b4..4e2445a1e 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -1,86 +1,85 @@
 // Copyright (c) 2013-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <hash.h>
 
 #include <crypto/common.h>
 #include <crypto/hmac_sha512.h>
-#include <pubkey.h>
 
 inline uint32_t ROTL32(uint32_t x, int8_t r) {
     return (x << r) | (x >> (32 - r));
 }
 
 uint32_t MurmurHash3(uint32_t nHashSeed,
                      const std::vector<uint8_t> &vDataToHash) {
     // The following is MurmurHash3 (x86_32), see
     // http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
     uint32_t h1 = nHashSeed;
     const uint32_t c1 = 0xcc9e2d51;
     const uint32_t c2 = 0x1b873593;
 
     const int nblocks = vDataToHash.size() / 4;
 
     //----------
     // body
     const uint8_t *blocks = vDataToHash.data();
 
     for (int i = 0; i < nblocks; ++i) {
         uint32_t k1 = ReadLE32(blocks + i * 4);
 
         k1 *= c1;
         k1 = ROTL32(k1, 15);
         k1 *= c2;
 
         h1 ^= k1;
         h1 = ROTL32(h1, 13);
         h1 = h1 * 5 + 0xe6546b64;
     }
 
     //----------
     // tail
     const uint8_t *tail = vDataToHash.data() + nblocks * 4;
 
     uint32_t k1 = 0;
 
     switch (vDataToHash.size() & 3) {
         case 3:
             k1 ^= tail[2] << 16;
         // FALLTHROUGH
         case 2:
             k1 ^= tail[1] << 8;
         // FALLTHROUGH
         case 1:
             k1 ^= tail[0];
             k1 *= c1;
             k1 = ROTL32(k1, 15);
             k1 *= c2;
             h1 ^= k1;
     }
 
     //----------
     // finalization
     h1 ^= vDataToHash.size();
     h1 ^= h1 >> 16;
     h1 *= 0x85ebca6b;
     h1 ^= h1 >> 13;
     h1 *= 0xc2b2ae35;
     h1 ^= h1 >> 16;
 
     return h1;
 }
 
 void BIP32Hash(const ChainCode &chainCode, uint32_t nChild, uint8_t header,
                const uint8_t data[32], uint8_t output[64]) {
     uint8_t num[4];
     num[0] = (nChild >> 24) & 0xFF;
     num[1] = (nChild >> 16) & 0xFF;
     num[2] = (nChild >> 8) & 0xFF;
     num[3] = (nChild >> 0) & 0xFF;
     CHMAC_SHA512(chainCode.begin(), chainCode.size())
         .Write(&header, 1)
         .Write(data, 32)
         .Write(num, 4)
         .Finalize(output);
 }