diff --git a/pkg/db/model/revision.go b/pkg/db/model/revision.go
index bb61355..71c5d0c 100644
--- a/pkg/db/model/revision.go
+++ b/pkg/db/model/revision.go
@@ -28,6 +28,7 @@
 	Drop(txid string, includeConfig bool)
 	StorageDrop(txid string, includeConfig bool)
 	ChildDrop(childType string, childHash string)
+	ChildDropByName(childName string)
 	SetChildren(name string, children []Revision)
 	GetChildren(name string) []Revision
 	SetAllChildren(children map[string][]Revision)