diff --git a/src/core_io.h b/src/core_io.h
index 59fa36394eb181..a509fc56a86e10 100644
--- a/src/core_io.h
+++ b/src/core_io.h
@@ -33,6 +33,6 @@ UniValue ValueFromAmount(const CAmount& amount);
 std::string FormatScript(const CScript& script);
 std::string EncodeHexTx(const CTransaction& tx);
 void ScriptPubKeyToUniv(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex);
-void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry, bool include_hex = true, int serialize_flags = 0, const CSpentIndexTxInfo* ptxSpentInfo = nullptr);
+void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry, bool include_hex = true, const CSpentIndexTxInfo* ptxSpentInfo = nullptr);
 
 #endif // BITCOIN_CORE_IO_H
diff --git a/src/core_write.cpp b/src/core_write.cpp
index f2fc96942ef9ec..9b6ccbe6dc42ce 100644
--- a/src/core_write.cpp
+++ b/src/core_write.cpp
@@ -159,7 +159,7 @@ void ScriptPubKeyToUniv(const CScript& scriptPubKey,
     out.pushKV("addresses", a);
 }
 
-void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry, bool include_hex, int serialize_flags, const CSpentIndexTxInfo* ptxSpentInfo)
+void TxToUniv(const CTransaction& tx, const uint256& hashBlock, UniValue& entry, bool include_hex, const CSpentIndexTxInfo* ptxSpentInfo)
 {
     uint256 txid = tx.GetHash();
     entry.pushKV("txid", txid.GetHex());
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index d620fe70256181..134a21d1751c1c 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -138,7 +138,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
         if(txDetails)
         {
             UniValue objTx(UniValue::VOBJ);
-            TxToUniv(*tx, uint256(), objTx, true, RPCSerializationFlags());
+            TxToUniv(*tx, uint256(), objTx, true);
             bool fLocked = llmq::quorumInstantSendManager->IsLocked(tx->GetHash());
             objTx.push_back(Pair("instantlock", fLocked || chainLock));
             objTx.push_back(Pair("instantlock_internal", fLocked));
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index ec1059731f7e4b..b9a6e3482ada7e 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -72,7 +72,7 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
         }
     }
 
-    TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags(), &txSpentInfo);
+    TxToUniv(tx, uint256(), entry, true, &txSpentInfo);
 
     bool chainLock = false;
     if (!hashBlock.IsNull()) {
@@ -205,7 +205,7 @@ UniValue getrawtransaction(const JSONRPCRequest& request)
             ". Use gettransaction for wallet transactions.");
 
     if (!fVerbose)
-        return EncodeHexTx(*tx, RPCSerializationFlags());
+        return EncodeHexTx(*tx);
 
     UniValue result(UniValue::VOBJ);
     TxToJSON(*tx, hashBlock, result);