For managing old EAS Devices and deleting them you can run this Script.
For using the Script just run it and you will be asked how long back you want to remove the old EAS Devices.
After starting the Script collecting of the Data starts:
After collecting the Scrip the CSV File will open:
and modify the File before deletation:
After modifying go back to the Script and push enter, then old Devices will be removed:
At the end you will get two Log Files to check the Successfull removing and errors.
This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.