diff --git a/services/init/init_common_service.c b/services/init/init_common_service.c
index d6ed01ea06a65fe7b348ebc4be5ffde32d06b3f0..bf4ced6afe2dc9fcd288c7d2af72284f1788ecba 100644
--- a/services/init/init_common_service.c
+++ b/services/init/init_common_service.c
@@ -309,7 +309,6 @@ void EnterServiceSandbox(Service *service)
                 _exit(0x7f); // 0x7f: user specified
         }
     }
-    INIT_CHECK_ONLY_ELOG(unsetenv("UV_THREADPOOL_SIZE") == 0, "set UV_THREADPOOL_SIZE error : %d.", errno);
 #ifndef STARTUP_INIT_TEST
     char *argv[] = { (char *)"/bin/sh", NULL };
     INIT_CHECK_ONLY_ELOG(execv(argv[0], argv) == 0,
diff --git a/services/init/standard/init_service.c b/services/init/standard/init_service.c
index bcdc7b9dbdd4ce69965041214399ab461a3efe4c..88265d5ae6c6cb82494e208babca6fa45d21fd4d 100644
--- a/services/init/standard/init_service.c
+++ b/services/init/standard/init_service.c
@@ -81,7 +81,6 @@ int ServiceExec(const Service *service)
         INIT_ERROR_CHECK(setpriority(PRIO_PROCESS, 0, service->importance) == 0, _exit(0x7f),
             "setpriority failed for %s, importance = %d, err=%d", service->name, service->importance, errno);
     }
-    INIT_CHECK_ONLY_ELOG(unsetenv("UV_THREADPOOL_SIZE") == 0, "set UV_THREADPOOL_SIZE error : %d.", errno);
     OpenHidebug(service->name);
     // L2 Can not be reset env
     if (service->extraArgs.argv != NULL && service->extraArgs.count > 0) {