diff --git a/evm/eth.go b/evm/eth.go
index 38ff8fd..73ecf61 100644
--- a/evm/eth.go
+++ b/evm/eth.go
@@ -28,7 +28,6 @@ import (
 	"github.com/yu-org/yu/core/tripod"
 	yu_types "github.com/yu-org/yu/core/types"
 
-	"github.com/reddio-com/reddio/config"
 	yuConfig "github.com/reddio-com/reddio/evm/config"
 	"github.com/reddio-com/reddio/evm/pending_state"
 	"github.com/reddio-com/reddio/metrics"
@@ -508,20 +507,8 @@ func (s *Solidity) executeContractCall(ctx *context.WriteContext, txReq *TxReque
 	// logrus.Printf("before transfer: account %s balance %d \n", sender.Address(), ethState.GetBalance(sender.Address()))
 
 	code, leftOverGas, err := vmenv.Call(sender, *txReq.Address, txReq.Input, txReq.GasLimit, uint256.MustFromBig(txReq.Value))
-	isPureTransferTxn := false
-	if IsPureTransfer(sender, txReq, ethState) {
-		isPureTransferTxn = true
-		extraTransferGas := config.GlobalConfig.ExtraBalanceGas
-		if extraTransferGas > txReq.GasLimit {
-			extraTransferGas = txReq.GasLimit
-		}
-		ethState.SubBalance(sender.Address(), uint256.NewInt(extraTransferGas*txReq.GasPrice.Uint64()), tracing.BalanceChangeTransfer)
-		if leftOverGas >= extraTransferGas {
-			leftOverGas -= extraTransferGas
-		} else {
-			leftOverGas = 0
-		}
-	}
+	isPureTransferTxn := IsPureTransfer(sender, txReq, ethState)
+	ethState.SubBalance(sender.Address(), uint256.NewInt(0), tracing.BalanceChangeUnspecified)
 	// logrus.Printf("after transfer: account %s balance %d \n", sender.Address(), ethState.GetBalance(sender.Address()))
 	if err != nil {
 		// byt, _ := json.Marshal(txReq)