Recreate Temp tablespace

You created temp tablespace using AUTOEXTEND ON MAXSIZE UNLIMITED to avoid error.
On your production database you noticed that your temp tablespace datafile is huge in size. So you should drop and recreate temp tablespace using the following commands,

CREATE TEMPORARY TABLESPACE temp2
TEMPFILE '/u01/app/oracle/oradata/edr/temp02.dbf' SIZE 5M REUSE
AUTOEXTEND ON NEXT 1M MAXSIZE unlimited
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 1M;

ALTER DATABASE DEFAULT TEMPORARY TABLESPACE temp2;

DROP TABLESPACE temp INCLUDING CONTENTS AND DATAFILES;
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CREATE TEMPORARY TABLESPACE temp
TEMPFILE '/u01/app/oracle/oradata/edr/temp01.dbf' SIZE 500M REUSE
AUTOEXTEND ON NEXT 100M MAXSIZE unlimited
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 1M;
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ALTER DATABASE DEFAULT TEMPORARY TABLESPACE temp;

DROP TABLESPACE temp2 INCLUDING CONTENTS AND DATAFILES;