diff --git a/pkg/service/deposit.go b/pkg/service/deposit.go
index ae7dff464..07ad21838 100644
--- a/pkg/service/deposit.go
+++ b/pkg/service/deposit.go
@@ -94,13 +94,6 @@ func (s *DepositService) scanRows(rows *sqlx.Rows) (deposits []types.Deposit, er
 	return deposits, rows.Err()
 }
 
-func (s *DepositService) Insert(deposit types.Deposit) error {
-	sql := `INSERT INTO deposits (exchange, asset, address, amount, txn_id, time)
-			VALUES (:exchange, :asset, :address, :amount, :txn_id, :time)`
-	_, err := s.DB.NamedExec(sql, deposit)
-	return err
-}
-
 func SelectLastDeposits(ex types.ExchangeName, limit uint64) sq.SelectBuilder {
 	return sq.Select("*").
 		From("deposits").
diff --git a/pkg/service/deposit_test.go b/pkg/service/deposit_test.go
index d3d60114f..6d43c3366 100644
--- a/pkg/service/deposit_test.go
+++ b/pkg/service/deposit_test.go
@@ -1,39 +1 @@
 package service
-
-import (
-	"testing"
-	"time"
-
-	"github.com/jmoiron/sqlx"
-	"github.com/stretchr/testify/assert"
-
-	"github.com/c9s/bbgo/pkg/types"
-	"github.com/c9s/bbgo/pkg/fixedpoint"
-)
-
-func TestDepositService(t *testing.T) {
-	db, err := prepareDB(t)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	defer db.Close()
-
-	xdb := sqlx.NewDb(db.DB, "sqlite3")
-	service := &DepositService{DB: xdb}
-
-	err = service.Insert(types.Deposit{
-		Exchange:      types.ExchangeMax,
-		Time:          types.Time(time.Now()),
-		Amount:        fixedpoint.NewFromFloat(0.001),
-		Asset:         "BTC",
-		Address:       "test",
-		TransactionID: "02",
-		Status:        types.DepositSuccess,
-	})
-	assert.NoError(t, err)
-
-	deposits, err := service.Query(types.ExchangeMax)
-	assert.NoError(t, err)
-	assert.NotEmpty(t, deposits)
-}