diff --git a/pkg/client/orm/do_nothing_orm.go b/pkg/client/orm/do_nothing_orm.go
index 07c7fd74..e27e7f3a 100644
--- a/pkg/client/orm/do_nothing_orm.go
+++ b/pkg/client/orm/do_nothing_orm.go
@@ -30,18 +30,6 @@ var _ Ormer = new(DoNothingOrm)
 type DoNothingOrm struct {
 }
 
-func (d *DoNothingOrm) RegisterModels(models ...interface{}) (err error) {
-	return nil
-}
-
-func (d *DoNothingOrm) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return nil
-}
-
-func (d *DoNothingOrm) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return nil
-}
-
 func (d *DoNothingOrm) Read(md interface{}, cols ...string) error {
 	return nil
 }
diff --git a/pkg/client/orm/filter_orm_decorator.go b/pkg/client/orm/filter_orm_decorator.go
index 3271c520..d0c5c537 100644
--- a/pkg/client/orm/filter_orm_decorator.go
+++ b/pkg/client/orm/filter_orm_decorator.go
@@ -17,7 +17,6 @@ package orm
 import (
 	"context"
 	"database/sql"
-	"errors"
 	"reflect"
 	"time"
 
@@ -43,18 +42,6 @@ type filterOrmDecorator struct {
 	txName      string
 }
 
-func (f *filterOrmDecorator) RegisterModels(models ...interface{}) (err error) {
-	return errors.New(`not callable`)
-}
-
-func (f *filterOrmDecorator) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return errors.New(`not callable`)
-}
-
-func (f *filterOrmDecorator) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return errors.New(`not callable`)
-}
-
 func NewFilterOrmDecorator(delegate Ormer, filterChains ...FilterChain) Ormer {
 	res := &filterOrmDecorator{
 		ormer:      delegate,
diff --git a/pkg/client/orm/models.go b/pkg/client/orm/models.go
index ea315c2b..19941d2e 100644
--- a/pkg/client/orm/models.go
+++ b/pkg/client/orm/models.go
@@ -36,15 +36,6 @@ var (
 	modelCache = NewModelCacheHandler()
 )
 
-type modelCacheHandler interface {
-	//RegisterModels register models without prefix or suffix
-	RegisterModels(models ...interface{}) (err error)
-	//RegisterModelsWithPrefix register models with prefix
-	RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error)
-	//RegisterModelsWithSuffix register models with suffix
-	RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error)
-}
-
 // model info collection
 type _modelCache struct {
 	sync.RWMutex    // only used outsite for bootStrap
@@ -62,20 +53,6 @@ func NewModelCacheHandler() *_modelCache {
 	}
 }
 
-var _ modelCacheHandler = new(_modelCache)
-
-func (mc *_modelCache) RegisterModels(models ...interface{}) (err error) {
-	return mc.register(``, true, models...)
-}
-
-func (mc *_modelCache) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return mc.register(prefix, true, models...)
-}
-
-func (mc *_modelCache) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return mc.register(suffix, false, models...)
-}
-
 // get all model info
 func (mc *_modelCache) all() map[string]*modelInfo {
 	m := make(map[string]*modelInfo, len(mc.cache))
diff --git a/pkg/client/orm/orm.go b/pkg/client/orm/orm.go
index 557c788c..bfb710d1 100644
--- a/pkg/client/orm/orm.go
+++ b/pkg/client/orm/orm.go
@@ -496,23 +496,10 @@ func (o *ormBase) DBStats() *sql.DBStats {
 
 type orm struct {
 	ormBase
-	modelCacheHandler
 }
 
 var _ Ormer = new(orm)
 
-func (o *orm) RegisterModels(models ...interface{}) (err error) {
-	return o.modelCacheHandler.RegisterModels(models)
-}
-
-func (o *orm) RegisterModelsWithPrefix(prefix string, models ...interface{}) (err error) {
-	return o.modelCacheHandler.RegisterModelsWithPrefix(prefix, models...)
-}
-
-func (o *orm) RegisterModelsWithSuffix(suffix string, models ...interface{}) (err error) {
-	return o.modelCacheHandler.RegisterModelsWithSuffix(suffix, models...)
-}
-
 func (o *orm) Begin() (TxOrmer, error) {
 	return o.BeginWithCtx(context.Background())
 }
@@ -633,8 +620,6 @@ func newDBWithAlias(al *alias) Ormer {
 		o.db = al.DB
 	}
 
-	o.modelCacheHandler = NewModelCacheHandler()
-
 	if len(globalFilterChains) > 0 {
 		return NewFilterOrmDecorator(o, globalFilterChains...)
 	}
diff --git a/pkg/client/orm/types.go b/pkg/client/orm/types.go
index b9c444eb..b0c793b7 100644
--- a/pkg/client/orm/types.go
+++ b/pkg/client/orm/types.go
@@ -219,7 +219,6 @@ type ormer interface {
 
 type Ormer interface {
 	ormer
-	modelCacheHandler
 	TxBeginner
 }