Customized device handler causing name space conflict?

Hi all,
I used a modified Z-wave door/window sensor to setup my firm alarm:
Fire Alarm Panel Monitoring with contact sensor—how to report as a different device class? - Developer Programs / Writing Device Types - SmartThings Community
Now all new z-wave simple open/close door window devices automatically get recognized as a fire alarm.
Is there anyway I can disable it temporarily to add other z-wave open/close sensors?