diff --git a/orm/orm.go b/orm/orm.go
index cdb7f27c..f881433b 100644
--- a/orm/orm.go
+++ b/orm/orm.go
@@ -489,10 +489,6 @@ func (o *orm) Driver() Driver {
 	return driver(o.alias.Name)
 }
 
-func (o *orm) GetDB() dbQuerier {
-	panic(ErrNotImplement)
-}
-
 // create new orm
 func NewOrm() Ormer {
 	BootStrap() // execute only once
diff --git a/orm/types.go b/orm/types.go
index c342e1c2..b46be4fc 100644
--- a/orm/types.go
+++ b/orm/types.go
@@ -51,7 +51,6 @@ type Ormer interface {
 	Rollback() error
 	Raw(string, ...interface{}) RawSeter
 	Driver() Driver
-	GetDB() dbQuerier
 }
 
 // insert prepared statement