diff --git a/apps/blockchain-node/src/aitbc_chain/rpc/router.py b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
index 4262be77..d515b1b2 100755
--- a/apps/blockchain-node/src/aitbc_chain/rpc/router.py
+++ b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
@@ -308,12 +308,7 @@ async def submit_transaction(tx_data: TransactionRequest) -> Dict[str, Any]:
             "signature": tx_data.sig
         }
         
-        _logger.info(f"[ROUTER] Submitting transaction: type={tx_data.type}, normalized_type={tx_data_dict.get('type')}")
-        
         tx_data_dict = _normalize_transaction_data(tx_data_dict, chain_id)
-        
-        _logger.info(f"[ROUTER] After normalization: type={tx_data_dict.get('type')}, keys={list(tx_data_dict.keys())}")
-        
         _validate_transaction_admission(tx_data_dict, mempool)
 
         tx_hash = mempool.add(tx_data_dict, chain_id=chain_id)