diff --git a/coworker/restart_mqtt_service.sh b/coworker/restart_mqtt_service.sh
deleted file mode 100644
index cfc616a..0000000
--- a/coworker/restart_mqtt_service.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-# 重開
-
-# 0. kill pid
-kill -9 `cat mqtt_service_pid.txt`
-
-# 1. start
-/usr/bin/php /home/bigbang/apps/coworker/mqtt_service.php > /tmp/mqtt_service.log 2>&1&
-echo $! > mqtt_service_pid.txt
\ No newline at end of file