Below commands will helpful for deleting expired archivelog files through RMAN :
RMAN>list expired archivelog all;
RMAN>crosscheck archivelog all;
RMAN>delete noprompt expired archivelog all;
Now check the output with below command it should not return any list
RMAN> list expired archivelog all;
using target database control file instead of recovery catalog
specification does not match any archived log in the repository
RMAN>
Thank You !!
ORACLE CLOUD DBA BLOG 
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Thanks for helpfull
thank you for sharing above steps. very helpfull
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