diff --git a/pkg/common/db/relation/mysql_init.go b/pkg/common/db/relation/mysql_init.go
index 59d425c06..f430ee29a 100644
--- a/pkg/common/db/relation/mysql_init.go
+++ b/pkg/common/db/relation/mysql_init.go
@@ -11,7 +11,6 @@ import (
 	mysqlDriver "github.com/go-sql-driver/mysql"
 	"gorm.io/driver/mysql"
 	gormUtils "gorm.io/gorm/utils"
-	"strings"
 	"time"
 
 	"gorm.io/gorm"