diff --git a/frameworks/native/appkit/dfr/appfreeze_inner.cpp b/frameworks/native/appkit/dfr/appfreeze_inner.cpp
index 636cf599155f558f0f1d229cb2029c3921699c8e..b56ae785ecff73722360a4644059b40f19b403bc 100644
--- a/frameworks/native/appkit/dfr/appfreeze_inner.cpp
+++ b/frameworks/native/appkit/dfr/appfreeze_inner.cpp
@@ -244,11 +244,6 @@ void AppfreezeInner::ThreadBlock(std::atomic_bool& isSixSecondEvent)
 #ifdef APP_NO_RESPONSE_DIALOG
         isSixSecondEvent.store(false);
 #endif
-        int32_t pid = static_cast<int32_t>(getpid());
-        int ret = HiSysEventWrite(HiviewDFX::HiSysEvent::Domain::RELIABILITY, "LOWMEM_DUMP",
-            HiviewDFX::HiSysEvent::EventType::STATISTIC, "PID", pid, "MSG", "THREAD_BLOCK_6S");
-        TAG_LOGI(AAFwkTag::APPDFR, "hisysevent pid=%{public}d, eventName=LOWMEM_DUMP, MSG=THREAD_BLOCK_6S,"
-            "ret=%{public}d", pid, ret);
     } else {
         faultData.errorObject.name = AppFreezeType::THREAD_BLOCK_3S;
         isSixSecondEvent.store(true);
diff --git a/services/appdfr/src/application_anr_listener.cpp b/services/appdfr/src/application_anr_listener.cpp
index 545d97caee224a03d7d2ca675e0800829512363d..de66ff43429579b6ea030934d230ecb199636103 100644
--- a/services/appdfr/src/application_anr_listener.cpp
+++ b/services/appdfr/src/application_anr_listener.cpp
@@ -50,10 +50,6 @@ void ApplicationAnrListener::OnAnr(int32_t pid, int32_t eventId) const
     faultData.notifyApp = false;
     faultData.forceExit = false;
     faultData.eventId = eventId;
-    int ret = HiSysEventWrite(HiviewDFX::HiSysEvent::Domain::RELIABILITY, "LOWMEM_DUMP",
-        HiviewDFX::HiSysEvent::EventType::STATISTIC, "PID", pid, "MSG", "APP_INPUT_BLOCK");
-    TAG_LOGI(AAFwkTag::APPDFR, "hisysevent pid=%{public}d, eventName=LOWMEM_DUMP, MSG=APP_INPUT_BLOCK,"
-        "ret=%{public}d", pid, ret);
     DelayedSingleton<AppExecFwk::AppMgrClient>::GetInstance()->NotifyAppFaultBySA(faultData);
 }
 }  // namespace AAFwk