diff --git a/pkg/backtest/backtest.go b/pkg/backtest/backtest.go
index 774808538..a5d79dd02 100644
--- a/pkg/backtest/backtest.go
+++ b/pkg/backtest/backtest.go
@@ -33,3 +33,116 @@ type Trader struct {
 func (trader *Trader) SubmitOrder(ctx context.Context, order types.SubmitOrder) {
 	trader.pendingOrders = append(trader.pendingOrders, order)
 }
+/*
+func (trader *BackTestTrader) RunStrategy(ctx context.Context, strategy SingleExchangeStrategy) (chan struct{}, error) {
+	logrus.Infof("[regression] number of kline data: %d", len(trader.SourceKLines))
+
+	done := make(chan struct{})
+	defer close(done)
+
+	if err := strategy.OnLoad(trader.Context, trader); err != nil {
+		return nil, err
+	}
+
+	stream := &BackTestStream{}
+	if err := strategy.OnNewStream(stream); err != nil {
+		return nil, err
+	}
+
+	var tradeID int64 = 0
+	for _, kline := range trader.SourceKLines {
+		logrus.Debugf("kline %+v", kline)
+
+		fmt.Print(".")
+
+		stream.EmitKLineClosed(kline)
+
+		for _, order := range trader.pendingOrders {
+			switch order.Side {
+			case types.SideTypeBuy:
+				fmt.Print("B")
+			case types.SideTypeSell:
+				fmt.Print("S")
+			}
+
+			var price float64
+			if order.Type == types.OrderTypeLimit {
+				price = util.MustParseFloat(order.PriceString)
+			} else {
+				price = kline.GetClose()
+			}
+
+			volume := util.MustParseFloat(order.QuantityString)
+			fee := 0.0
+			feeCurrency := ""
+
+			trader.Context.Lock()
+			if order.Side == types.SideTypeBuy {
+				fee = price * volume * 0.001
+				feeCurrency = "USDT"
+
+				quote := trader.Context.Balances[trader.Context.Market.QuoteCurrency]
+
+				if quote.Available < volume*price {
+					logrus.Fatalf("quote balance not enough: %+v", quote)
+				}
+				quote.Available -= volume * price
+				trader.Context.Balances[trader.Context.Market.QuoteCurrency] = quote
+
+				base := trader.Context.Balances[trader.Context.Market.BaseCurrency]
+				base.Available += volume
+				trader.Context.Balances[trader.Context.Market.BaseCurrency] = base
+
+			} else {
+				fee = volume * 0.001
+				feeCurrency = "BTC"
+
+				base := trader.Context.Balances[trader.Context.Market.BaseCurrency]
+				if base.Available < volume {
+					logrus.Fatalf("base balance not enough: %+v", base)
+				}
+
+				base.Available -= volume
+				trader.Context.Balances[trader.Context.Market.BaseCurrency] = base
+
+				quote := trader.Context.Balances[trader.Context.Market.QuoteCurrency]
+				quote.Available += volume * price
+				trader.Context.Balances[trader.Context.Market.QuoteCurrency] = quote
+			}
+			trader.Context.Unlock()
+
+			trade := types.Trade{
+				ID:          tradeID,
+				Price:       price,
+				Quantity:    volume,
+				Side:        string(order.Side),
+				IsBuyer:     order.Side == types.SideTypeBuy,
+				IsMaker:     false,
+				Time:        kline.EndTime,
+				Symbol:      trader.Context.Symbol,
+				Fee:         fee,
+				FeeCurrency: feeCurrency,
+			}
+
+			tradeID++
+			trader.AverageCostCalculator.AddTrade(trade)
+
+			trader.doneOrders = append(trader.doneOrders, order)
+		}
+
+		// clear pending orders
+		trader.pendingOrders = nil
+	}
+
+	fmt.Print("\n")
+	report := trader.AverageCostCalculator.Calculate()
+	report.Print()
+
+	logrus.Infof("wallet balance:")
+	for _, balance := range trader.Context.Balances {
+		logrus.Infof(" %s: %f", balance.Currency, balance.Available)
+	}
+
+	return done, nil
+}
+*/
diff --git a/pkg/bbgo/backtest.go b/pkg/bbgo/backtest.go
deleted file mode 100644
index 2d5ebb061..000000000
--- a/pkg/bbgo/backtest.go
+++ /dev/null
@@ -1,115 +0,0 @@
-package bbgo
-
-/*
-func (trader *BackTestTrader) RunStrategy(ctx context.Context, strategy SingleExchangeStrategy) (chan struct{}, error) {
-	logrus.Infof("[regression] number of kline data: %d", len(trader.SourceKLines))
-
-	done := make(chan struct{})
-	defer close(done)
-
-	if err := strategy.OnLoad(trader.Context, trader); err != nil {
-		return nil, err
-	}
-
-	stream := &BackTestStream{}
-	if err := strategy.OnNewStream(stream); err != nil {
-		return nil, err
-	}
-
-	var tradeID int64 = 0
-	for _, kline := range trader.SourceKLines {
-		logrus.Debugf("kline %+v", kline)
-
-		fmt.Print(".")
-
-		stream.EmitKLineClosed(kline)
-
-		for _, order := range trader.pendingOrders {
-			switch order.Side {
-			case types.SideTypeBuy:
-				fmt.Print("B")
-			case types.SideTypeSell:
-				fmt.Print("S")
-			}
-
-			var price float64
-			if order.Type == types.OrderTypeLimit {
-				price = util.MustParseFloat(order.PriceString)
-			} else {
-				price = kline.GetClose()
-			}
-
-			volume := util.MustParseFloat(order.QuantityString)
-			fee := 0.0
-			feeCurrency := ""
-
-			trader.Context.Lock()
-			if order.Side == types.SideTypeBuy {
-				fee = price * volume * 0.001
-				feeCurrency = "USDT"
-
-				quote := trader.Context.Balances[trader.Context.Market.QuoteCurrency]
-
-				if quote.Available < volume*price {
-					logrus.Fatalf("quote balance not enough: %+v", quote)
-				}
-				quote.Available -= volume * price
-				trader.Context.Balances[trader.Context.Market.QuoteCurrency] = quote
-
-				base := trader.Context.Balances[trader.Context.Market.BaseCurrency]
-				base.Available += volume
-				trader.Context.Balances[trader.Context.Market.BaseCurrency] = base
-
-			} else {
-				fee = volume * 0.001
-				feeCurrency = "BTC"
-
-				base := trader.Context.Balances[trader.Context.Market.BaseCurrency]
-				if base.Available < volume {
-					logrus.Fatalf("base balance not enough: %+v", base)
-				}
-
-				base.Available -= volume
-				trader.Context.Balances[trader.Context.Market.BaseCurrency] = base
-
-				quote := trader.Context.Balances[trader.Context.Market.QuoteCurrency]
-				quote.Available += volume * price
-				trader.Context.Balances[trader.Context.Market.QuoteCurrency] = quote
-			}
-			trader.Context.Unlock()
-
-			trade := types.Trade{
-				ID:          tradeID,
-				Price:       price,
-				Quantity:    volume,
-				Side:        string(order.Side),
-				IsBuyer:     order.Side == types.SideTypeBuy,
-				IsMaker:     false,
-				Time:        kline.EndTime,
-				Symbol:      trader.Context.Symbol,
-				Fee:         fee,
-				FeeCurrency: feeCurrency,
-			}
-
-			tradeID++
-			trader.AverageCostCalculator.AddTrade(trade)
-
-			trader.doneOrders = append(trader.doneOrders, order)
-		}
-
-		// clear pending orders
-		trader.pendingOrders = nil
-	}
-
-	fmt.Print("\n")
-	report := trader.AverageCostCalculator.Calculate()
-	report.Print()
-
-	logrus.Infof("wallet balance:")
-	for _, balance := range trader.Context.Balances {
-		logrus.Infof(" %s: %f", balance.Currency, balance.Available)
-	}
-
-	return done, nil
-}
-*/