diff --git a/mqtt/remove_retained_topic.sh b/mqtt/remove_retained_topic.sh
new file mode 100755
index 0000000..ebba51c
--- /dev/null
+++ b/mqtt/remove_retained_topic.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "cleaning " $1 " :: usage: cleanmqtt <host> <topic>"
+mosquitto_sub -h $1 -t "${2}/#" -v | while read line; do mosquitto_pub -h $1 -t "${line% *}" -r -n; done