diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index a9fc72840..5d31981dc 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -645,12 +645,6 @@ func setAttributeViewColumnCalc(operation *Operation) (err error) {
 func (tx *Transaction) doInsertAttrViewBlock(operation *Operation) (ret *TxErr) {
 	for _, id := range operation.SrcIDs {
 		tree, err := tx.loadTree(id)
-		if nil == tree {
-			operation.IsDetached = true
-		} else {
-			operation.IsDetached = false
-		}
-
 		if nil != err && !operation.IsDetached {
 			logging.LogErrorf("load tree [%s] failed: %s", id, err)
 			return &TxErr{code: TxErrCodeBlockNotFound, id: id, msg: err.Error()}