diff --git a/core/pipeline/Pipeline.cpp b/core/pipeline/Pipeline.cpp
index bedc8359f7..40dec54bd6 100644
--- a/core/pipeline/Pipeline.cpp
+++ b/core/pipeline/Pipeline.cpp
@@ -431,11 +431,7 @@ void Pipeline::Stop(bool isRemoving) {
     ProcessQueueManager::GetInstance()->DisablePop(mName, isRemoving);
     WaitAllItemsInProcessFinished();
 
-    // flush or clear
-    // if (!isRemoving) {
     FlushBatch();
-    // }
-    // TimeoutFlushManager::GetInstance()->ClearRecords(mName);
 
     if (!mGoPipelineWithoutInput.isNull()) {
         // Go pipeline `Stop` will stop and delete