diff --git a/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.ts b/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.ts
index 017af60109..3dad34f441 100644
--- a/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.ts
+++ b/web/app/components/rag-pipeline/hooks/use-available-nodes-meta-data.ts
@@ -30,7 +30,6 @@ export const useAvailableNodesMetaData = () => {
       metaData: {
         ...knowledgeBaseDefault.metaData,
         isRequired: true,
-        isUndeletable: true,
       },
     },
     {