diff -uNr a/heartbeat/mysql b/heartbeat/mysql
--- a/heartbeat/mysql	2016-02-29 10:54:21.896786740 +0100
+++ b/heartbeat/mysql	2016-02-29 10:59:13.377446910 +0100
@@ -344,6 +344,7 @@
    
     get_slave_info
     rc=$?
+    rm -f $tmpfile
 
     if [ $rc -eq 0 ]; then
        # show slave status is not empty