Admin user can search and delete the required synced attendance records tthru the 'Delete Synced Attendance' page under Attendance module.

Attendance  -> Delete Synced Attendance

Admin user can search and delete the required synced attendance records thru this page.

Can’t delete the attendance synced records which were already used for timesheet or payroll. Deleted Synced Attendance Punch records will be re-synced on next sync schedule.

Click below link to view create Delete Synced Attendance Video: