diff --git a/db/model/root.go b/db/model/root.go
index 0f14c7c..8f9e001 100644
--- a/db/model/root.go
+++ b/db/model/root.go
@@ -104,6 +104,7 @@
 	} else {
 		r.node.MergeBranch(txid, false)
 		r.ExecuteCallbacks()
+		r.DeleteTxBranch(txid)
 	}
 }