how to delete or cleanup DATA_PUMP_DIR in Oracle RDS

Delete files in DATA_PUMP_DIR that you no longer require, use the following command.

EXEC UTL_FILE.FREMOVE('DATA_PUMP_DIR','filename');

To delete all files in DATA_PUMP_DIR, you could you something below..

begin for i in (select filename from table(RDSADMIN.RDS_FILE_UTIL.LISTDIR('MY_DIR')) where type='file') loop UTL_FILE.FREMOVE ('DATA_PUMP_DIR', i.filename); end loop; end; /

Please test the script/procedure in non-production before moving on to production and acknowledge the answer.