diff --git a/src/base58.cpp b/src/base58.cpp
index dcd0d7da8..bc914780b 100644
--- a/src/base58.cpp
+++ b/src/base58.cpp
@@ -228,8 +228,6 @@ public:
     CBitcoinAddress(const char* pszAddress) { SetString(pszAddress); }
 
     CTxDestination Get() const;
-    bool GetKeyID(CKeyID &keyID) const;
-    bool IsScript() const;
 };
 
 class CBitcoinAddressVisitor : public boost::static_visitor<bool>
@@ -301,21 +299,6 @@ CTxDestination CBitcoinAddress::Get() const
         return CNoDestination();
 }
 
-bool CBitcoinAddress::GetKeyID(CKeyID& keyID) const
-{
-    if (!IsValid() || vchVersion != Params().Base58Prefix(CChainParams::PUBKEY_ADDRESS))
-        return false;
-    uint160 id;
-    memcpy(&id, vchData.data(), 20);
-    keyID = CKeyID(id);
-    return true;
-}
-
-bool CBitcoinAddress::IsScript() const
-{
-    return IsValid() && vchVersion == Params().Base58Prefix(CChainParams::SCRIPT_ADDRESS);
-}
-
 void CBitcoinSecret::SetKey(const CKey& vchSecret)
 {
     assert(vchSecret.IsValid());