diff --git a/web/app/components/workflow/panel/debug-and-preview/hooks.ts b/web/app/components/workflow/panel/debug-and-preview/hooks.ts
index 25af4a2a66..f8efb2695e 100644
--- a/web/app/components/workflow/panel/debug-and-preview/hooks.ts
+++ b/web/app/components/workflow/panel/debug-and-preview/hooks.ts
@@ -261,10 +261,6 @@ export const useChat = (
           })
           handleUpdateChatList(newChatList)
         },
-        onWorkflowStarted: () => {},
-        onWorkflowFinished: () => {},
-        onNodeStarted: () => {},
-        onNodeFinished: () => {},
       },
     )
   }, [handleRun, handleResponding, handleUpdateChatList, notify, t, updateCurrentQA, config.suggested_questions_after_answer?.enabled])