diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index fb6cf7db7..a3baf9294 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -25,7 +25,6 @@
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_access_control,brutal_purge,soft_purge,[]},
@@ -44,7 +43,6 @@
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -89,7 +87,6 @@
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_access_control,brutal_purge,soft_purge,[]},
@@ -108,7 +105,6 @@
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
      {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},