diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h
--- a/src/wallet/scriptpubkeyman.h
+++ b/src/wallet/scriptpubkeyman.h
@@ -408,7 +408,6 @@
     //! Load a keypool entry
     void LoadKeyPool(int64_t nIndex, const CKeyPool &keypool)
         EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
-    bool TopUpKeyPool(unsigned int kpSize = 0);
     bool NewKeyPool();
     void MarkPreSplitKeys() EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
 
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -16,7 +16,7 @@
                                               CTxDestination &dest,
                                               std::string &error) {
     error.clear();
-    TopUpKeyPool();
+    TopUp();
 
     // Generate a new key that is added to wallet
     CPubKey new_key;
@@ -234,10 +234,6 @@
     ReturnKey(index, internal, pubkey);
 }
 
-bool LegacyScriptPubKeyMan::TopUp(unsigned int size) {
-    return TopUpKeyPool(size);
-}
-
 void LegacyScriptPubKeyMan::MarkUnusedAddresses(const CScript &script) {
     AssertLockHeld(cs_wallet);
     // extract addresses and check if they match with an unused keypool key
@@ -250,7 +246,7 @@
                             __func__);
             MarkReserveKeysAsUsed(mi->second);
 
-            if (!TopUpKeyPool()) {
+            if (!TopUp()) {
                 WalletLogPrintf(
                     "%s: Topping up keypool failed (locked wallet)\n",
                     __func__);
@@ -356,7 +352,7 @@
     }
     // Regenerate the keypool if upgraded to HD
     if (hd_upgrade) {
-        if (!TopUpKeyPool()) {
+        if (!TopUp()) {
             error = _("Unable to generate keys").translated;
             return false;
         }
@@ -1006,7 +1002,7 @@
 
     m_pool_key_to_index.clear();
 
-    if (!TopUpKeyPool()) {
+    if (!TopUp()) {
         return false;
     }
 
@@ -1014,7 +1010,7 @@
     return true;
 }
 
-bool LegacyScriptPubKeyMan::TopUpKeyPool(unsigned int kpSize) {
+bool LegacyScriptPubKeyMan::TopUp(unsigned int kpSize) {
     if (!CanGenerateKeys()) {
         return false;
     }
@@ -1146,7 +1142,7 @@
     {
         LOCK(cs_wallet);
 
-        TopUpKeyPool();
+        TopUp();
 
         bool fReturningInternal = fRequestedInternal;
         fReturningInternal &=