diff --git a/src/base58.cpp b/src/base58.cpp
--- a/src/base58.cpp
+++ b/src/base58.cpp
@@ -230,8 +230,6 @@
     CBitcoinAddress(const char *pszAddress) { SetString(pszAddress); }
 
     CTxDestination Get() const;
-    bool GetKeyID(CKeyID &keyID) const;
-    bool IsScript() const;
 };
 
 class CBitcoinAddressVisitor : public boost::static_visitor<bool> {
@@ -288,22 +286,6 @@
     }
 }
 
-bool CBitcoinAddress::GetKeyID(CKeyID &keyID) const {
-    if (!IsValid() ||
-        vchVersion != Params().Base58Prefix(CChainParams::PUBKEY_ADDRESS)) {
-        return false;
-    }
-    uint160 id;
-    memcpy(&id, &vchData[0], 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());
     SetData(Params().Base58Prefix(CChainParams::SECRET_KEY), vchSecret.begin(),
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -90,8 +90,8 @@
         // Offline transaction
         if (nNet > 0) {
             // Credit
-            if (IsValidDestinationString(rec->address)) {
-                CTxDestination address = DecodeDestination(rec->address);
+            CTxDestination address = DecodeDestination(rec->address);
+            if (IsValidDestination(address)) {
                 if (wallet->mapAddressBook.count(address)) {
                     strHTML +=
                         "<b>" + tr("From") + ":</b> " + tr("unknown") + "<br>";