diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h
--- a/src/wallet/scriptpubkeyman.h
+++ b/src/wallet/scriptpubkeyman.h
@@ -311,9 +311,7 @@
     bool AddKeyPubKey(const CKey &key, const CPubKey &pubkey) override
         EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     //! Adds a key to the store, without saving it to disk (used by LoadWallet)
-    bool LoadKey(const CKey &key, const CPubKey &pubkey) {
-        return AddKeyPubKeyInner(key, pubkey);
-    }
+    bool LoadKey(const CKey &key, const CPubKey &pubkey);
     //! Adds an encrypted key to the store, and saves it to disk.
     bool AddCryptedKey(const CPubKey &vchPubKey,
                        const std::vector<uint8_t> &vchCryptedSecret);
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -352,6 +352,10 @@
     }
 }
 
+bool LegacyScriptPubKeyMan::LoadKey(const CKey &key, const CPubKey &pubkey) {
+    return AddKeyPubKeyInner(key, pubkey);
+}
+
 bool LegacyScriptPubKeyMan::AddKeyPubKey(const CKey &secret,
                                          const CPubKey &pubkey) {
     WalletBatch batch(m_storage.GetDatabase());