RMAN-08137: WARNING: archived log not deleted, needed for standby or upstream capture process

Error : RMAN-08137: WARNING: archived log not deleted, needed for standby or upstream capture process

Solution : If standby database cloned from primary backup then dataguard configuration was there so it will not allow to delete archive logs, then need to remove using force option.

rman > delete noprompt force archivelog until time 'sysdate-3';