diff --git a/trader/gate/order_sync_test.go b/trader/gate/order_sync_test.go
deleted file mode 100644
index c29f2b63..00000000
--- a/trader/gate/order_sync_test.go
+++ /dev/null
@@ -1,89 +0,0 @@
-package gate
-
-import (
-	"testing"
-	"time"
-
-	"github.com/gateio/gateapi-go/v6"
-	"github.com/stretchr/testify/require"
-)
-
-func findByAction(trades []GateTrade, action string) *GateTrade {
-	for i := range trades {
-		if trades[i].OrderAction == action {
-			return &trades[i]
-		}
-	}
-	return nil
-}
-
-func TestExpandGateTrade_OpenLong(t *testing.T) {
-	execTime := time.Unix(1700000000, 0).UTC()
-	trade := gateapi.MyFuturesTrade{
-		Id:        1,
-		Contract:  "BTC_USDT",
-		OrderId:   "o1",
-		Size:      10,
-		CloseSize: 0,
-	}
-
-	parts := expandGateTrade(trade, 30000, 0.1, 0.001, execTime)
-	require.Len(t, parts, 1)
-
-	p := parts[0]
-	require.Equal(t, "open_long", p.OrderAction)
-	require.Equal(t, "BUY", p.Side)
-	require.Equal(t, "1", p.TradeID)
-	require.InDelta(t, 0.01, p.FillQty, 1e-12)  // 10 contracts * 0.001
-	require.InDelta(t, 0.1, p.Fee, 1e-12)
-}
-
-func TestExpandGateTrade_SplitCloseAndOpen(t *testing.T) {
-	execTime := time.Unix(1700000000, 0).UTC()
-	trade := gateapi.MyFuturesTrade{
-		Id:        2,
-		Contract:  "BTC_USDT",
-		OrderId:   "o2",
-		Size:      10,
-		CloseSize: 4,
-	}
-
-	parts := expandGateTrade(trade, 30000, 0.2, 0.001, execTime)
-	require.Len(t, parts, 2)
-
-	closePart := findByAction(parts, "close_short")
-	openPart := findByAction(parts, "open_long")
-	require.NotNil(t, closePart)
-	require.NotNil(t, openPart)
-
-	require.Equal(t, "BUY", closePart.Side)
-	require.Equal(t, "2:close", closePart.TradeID)
-	require.InDelta(t, 0.004, closePart.FillQty, 1e-12) // 4 * 0.001
-	require.InDelta(t, 0.08, closePart.Fee, 1e-12)      // 0.2 * 4/10
-
-	require.Equal(t, "BUY", openPart.Side)
-	require.Equal(t, "2:open", openPart.TradeID)
-	require.InDelta(t, 0.006, openPart.FillQty, 1e-12) // 6 * 0.001
-	require.InDelta(t, 0.12, openPart.Fee, 1e-12)      // 0.2 * 6/10
-}
-
-func TestExpandGateTrade_CloseLongOnly(t *testing.T) {
-	execTime := time.Unix(1700000000, 0).UTC()
-	trade := gateapi.MyFuturesTrade{
-		Id:        3,
-		Contract:  "ETH_USDT",
-		OrderId:   "o3",
-		Size:      -5,
-		CloseSize: -8,
-	}
-
-	parts := expandGateTrade(trade, 2000, 0.05, 0.01, execTime)
-	require.Len(t, parts, 1)
-
-	p := parts[0]
-	require.Equal(t, "close_long", p.OrderAction)
-	require.Equal(t, "SELL", p.Side)
-	require.Equal(t, "3", p.TradeID)
-	require.InDelta(t, 0.05, p.FillQty, 1e-12) // 5 * 0.01
-	require.InDelta(t, 0.05, p.Fee, 1e-12)
-}