diff --git a/ledis/multi.go b/ledis/multi.go
deleted file mode 100644
index 861a437..0000000
--- a/ledis/multi.go
+++ /dev/null
@@ -1,75 +0,0 @@
-package ledis
-
-// import (
-// 	"errors"
-// 	"fmt"
-// )
-
-// var (
-// 	ErrNestMulti = errors.New("nest multi not supported")
-// 	ErrMultiDone = errors.New("multi has been closed")
-// )
-
-// type Multi struct {
-// 	*DB
-// }
-
-// func (db *DB) IsInMulti() bool {
-// 	return db.status == DBInMulti
-// }
-
-// // begin a mutli to execute commands,
-// // it will block any other write operations before you close the multi, unlike transaction, mutli can not rollback
-// func (db *DB) Multi() (*Multi, error) {
-// 	if db.IsInMulti() {
-// 		return nil, ErrNestMulti
-// 	}
-
-// 	m := new(Multi)
-
-// 	m.DB = new(DB)
-// 	m.DB.status = DBInMulti
-
-// 	m.DB.l = db.l
-
-// 	m.l.wLock.Lock()
-
-// 	m.DB.sdb = db.sdb
-
-// 	m.DB.bucket = db.sdb
-
-// 	m.DB.index = db.index
-
-// 	m.DB.kvBatch = m.newBatch()
-// 	m.DB.listBatch = m.newBatch()
-// 	m.DB.hashBatch = m.newBatch()
-// 	m.DB.zsetBatch = m.newBatch()
-// 	//	m.DB.binBatch = m.newBatch()
-// 	m.DB.setBatch = m.newBatch()
-
-// 	m.DB.lbkeys = db.lbkeys
-
-// 	return m, nil
-// }
-
-// func (m *Multi) newBatch() *batch {
-// 	return m.l.newBatch(m.bucket.NewWriteBatch(), &multiBatchLocker{}, nil)
-// }
-
-// func (m *Multi) Close() error {
-// 	if m.bucket == nil {
-// 		return ErrMultiDone
-// 	}
-// 	m.l.wLock.Unlock()
-// 	m.bucket = nil
-// 	return nil
-// }
-
-// func (m *Multi) Select(index int) error {
-// 	if index < 0 || index >= int(m.l.cfg.Databases) {
-// 		return fmt.Errorf("invalid db index %d", index)
-// 	}
-
-// 	m.DB.index = uint8(index)
-// 	return nil
-// }
diff --git a/ledis/multi_test.go b/ledis/multi_test.go
deleted file mode 100644
index 02a292a..0000000
--- a/ledis/multi_test.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package ledis
-
-// import (
-// 	"sync"
-// 	"testing"
-// )
-
-// func TestMulti(t *testing.T) {
-// 	db := getTestDB()
-
-// 	key := []byte("test_multi_1")
-// 	v1 := []byte("v1")
-// 	v2 := []byte("v2")
-
-// 	m, err := db.Multi()
-// 	if err != nil {
-// 		t.Fatal(err)
-// 	}
-
-// 	wg := sync.WaitGroup{}
-
-// 	wg.Add(1)
-
-// 	go func() {
-// 		if err := db.Set(key, v2); err != nil {
-// 			t.Fatal(err)
-// 		}
-// 		wg.Done()
-// 	}()
-
-// 	if err := m.Set(key, v1); err != nil {
-// 		t.Fatal(err)
-// 	}
-
-// 	if v, err := m.Get(key); err != nil {
-// 		t.Fatal(err)
-// 	} else if string(v) != string(v1) {
-// 		t.Fatal(string(v))
-// 	}
-
-// 	m.Close()
-
-// 	wg.Wait()
-
-// 	if v, err := db.Get(key); err != nil {
-// 		t.Fatal(err)
-// 	} else if string(v) != string(v2) {
-// 		t.Fatal(string(v))
-// 	}
-
-// }