diff --git a/be/src/runtime/thread_context.h b/be/src/runtime/thread_context.h
index 20a0b074c1287b..861b3e05672969 100644
--- a/be/src/runtime/thread_context.h
+++ b/be/src/runtime/thread_context.h
@@ -249,19 +249,8 @@ static void attach_bthread() {
 #endif
         // Create thread-local data on demand.
         bthread_context = new ThreadContext;
-        std::shared_ptr<MemTrackerLimiter> btls_tracker =
-                std::make_shared<MemTrackerLimiter>(-1, "Bthread:id=" + std::to_string(bthread_id),
-                                                    ExecEnv::GetInstance()->bthread_mem_tracker());
-        bthread_context->attach_task(ThreadContext::TaskType::BRPC, "", TUniqueId(), btls_tracker);
         // set the data so that next time bthread_getspecific in the thread returns the data.
         CHECK_EQ(0, bthread_setspecific(btls_key, bthread_context));
-    } else {
-        // two scenarios:
-        // 1. A new bthread starts, but get a reuses btls.
-        // 2. A pthread switch occurs. Because the pthread switch cannot be accurately identified at the moment.
-        // So tracker call reset 0 like reuses btls.
-        DCHECK(bthread_context->_thread_mem_tracker_mgr->get_attach_layers() == 2);
-        bthread_context->_thread_mem_tracker_mgr->limiter_mem_tracker_raw()->reset_zero();
     }
 }