diff --git a/src/core_io.h b/src/core_io.h
--- a/src/core_io.h
+++ b/src/core_io.h
@@ -30,7 +30,7 @@
 std::string EncodeHexTx(const CTransaction &tx, const int serializeFlags = 0);
 void ScriptPubKeyToUniv(const CScript &scriptPubKey, UniValue &out,
                         bool fIncludeHex);
-void TxToUniv(const CTransaction &tx, const uint256 &hashBlock,
-              UniValue &entry);
+void TxToUniv(const CTransaction &tx, const uint256 &hashBlock, UniValue &entry,
+              bool include_hex = true, int serialize_flags = 0);
 
 #endif // BITCOIN_CORE_IO_H
diff --git a/src/core_write.cpp b/src/core_write.cpp
--- a/src/core_write.cpp
+++ b/src/core_write.cpp
@@ -184,8 +184,8 @@
     out.pushKV("addresses", a);
 }
 
-void TxToUniv(const CTransaction &tx, const uint256 &hashBlock,
-              UniValue &entry) {
+void TxToUniv(const CTransaction &tx, const uint256 &hashBlock, UniValue &entry,
+              bool include_hex, int serialize_flags) {
     entry.pushKV("txid", tx.GetId().GetHex());
     entry.pushKV("hash", tx.GetHash().GetHex());
     entry.pushKV("version", tx.nVersion);
@@ -238,7 +238,9 @@
         entry.pushKV("blockhash", hashBlock.GetHex());
     }
 
-    // the hex-encoded transaction. used the name "hex" to be consistent with
-    // the verbose output of "getrawtransaction".
-    entry.pushKV("hex", EncodeHexTx(tx));
+    if (include_hex) {
+        // the hex-encoded transaction. used the name "hex" to be consistent
+        // with the verbose output of "getrawtransaction".
+        entry.pushKV("hex", EncodeHexTx(tx, serialize_flags));
+    }
 }
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -120,7 +120,7 @@
     for (const auto &tx : block.vtx) {
         if (txDetails) {
             UniValue objTx(UniValue::VOBJ);
-            TxToUniv(*tx, uint256(), objTx);
+            TxToUniv(*tx, uint256(), objTx, true, RPCSerializationFlags());
             txs.push_back(objTx);
         } else {
             txs.push_back(tx->GetId().GetHex());
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -43,7 +43,7 @@
     // Blockchain contextual information (confirmations and blocktime) is not
     // available to code in bitcoin-common, so we query them here and push the
     // data into the returned UniValue.
-    TxToUniv(tx, uint256(), entry);
+    TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags());
 
     if (!hashBlock.IsNull()) {
         entry.pushKV("blockhash", hashBlock.GetHex());
@@ -181,14 +181,11 @@
                 ". Use gettransaction for wallet transactions.");
     }
 
-    std::string strHex = EncodeHexTx(*tx, RPCSerializationFlags());
-
     if (!fVerbose) {
-        return strHex;
+        return EncodeHexTx(*tx, RPCSerializationFlags());
     }
 
     UniValue result(UniValue::VOBJ);
-    result.pushKV("hex", strHex);
     TxToJSON(*tx, hashBlock, result);
     return result;
 }
@@ -586,7 +583,7 @@
     }
 
     UniValue result(UniValue::VOBJ);
-    TxToUniv(CTransaction(std::move(mtx)), uint256(), result);
+    TxToUniv(CTransaction(std::move(mtx)), uint256(), result, false);
 
     return result;
 }