diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index f1c6a2a78..383db43f1 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -49,7 +49,6 @@
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_session,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
-     {delete_module,emqx_relup},
      {load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},