How to unassign or inactive teachers' Biometric Code?

To unassign or inactive teachers Biometric code, follow the given path:

HR-->Biometric Attendance-->Staff Biometric Codes-->Biometric codes mapped staff-->select Branch,staff department,staff status(inactive)

-->click on get-->click on delete icon against the respective staff-->pop up will be appear-->click on yes,delete it.

NOTE :

The Biometric Codes can be deleted for the Inactive Staff only.