1 files changed, 7 insertions, 7 deletions

diff --git a/src/wallet/rpc/wallet.cpp b/src/wallet/rpc/wallet.cpp
index 4c44c333a6..0fe8871152 100644
--- a/src/wallet/rpc/wallet.cpp
+++ b/src/wallet/rpc/wallet.cpp
@@ -68,7 +68,7 @@ static RPCHelpMan getwalletinfo()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     // Make sure the results are valid at least up to the most recent block
     // the user could have gotten from another RPC command prior to now
@@ -241,7 +241,7 @@ static RPCHelpMan loadwallet()
 
 static RPCHelpMan setwalletflag()
 {
-            std::string flags = "";
+            std::string flags;
             for (auto& it : WALLET_FLAG_MAP)
                 if (it.second & MUTABLE_WALLET_FLAGS)
                     flags += (flags == "" ? "" : ", ") + it.first;
@@ -267,7 +267,7 @@ static RPCHelpMan setwalletflag()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     std::string flag_str = request.params[0].get_str();
     bool value = request.params[1].isNull() || request.params[1].get_bool();
@@ -480,7 +480,7 @@ static RPCHelpMan sethdseed()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet, true);
 
@@ -521,7 +521,7 @@ static RPCHelpMan sethdseed()
     spk_man.SetHDSeed(master_pub_key);
     if (flush_key_pool) spk_man.NewKeyPool();
 
-    return NullUniValue;
+    return UniValue::VNULL;
 },
     };
 }
@@ -532,7 +532,7 @@ static RPCHelpMan upgradewallet()
         "\nUpgrade the wallet. Upgrades to the latest version if no version number is specified.\n"
         "New keys may be generated and a new wallet backup will need to be made.",
         {
-            {"version", RPCArg::Type::NUM, RPCArg::Default{FEATURE_LATEST}, "The version number to upgrade to. Default is the latest wallet version."}
+            {"version", RPCArg::Type::NUM, RPCArg::Default{int{FEATURE_LATEST}}, "The version number to upgrade to. Default is the latest wallet version."}
         },
         RPCResult{
             RPCResult::Type::OBJ, "", "",
@@ -551,7 +551,7 @@ static RPCHelpMan upgradewallet()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     RPCTypeCheck(request.params, {UniValue::VNUM}, true);