sintax error in script

[Luis Daniel Lucio Quiroz <luis.daniel.lucio@xxxxxxxxx>]

CREATE OR REPLACE FUNCTION to_number(integer)
  RETURNS "numeric" AS
$BODY$
BEGIN
RETURN to_number($1, 'S99999999999999D999999');
EXCEPTION 
  WHEN OTHERS THEN 
    RETURN NULL;
END;
$BODY$
  LANGUAGE 'plpgsql' IMMUTABLE;
/-- END


pgsql is telling me /-- END has a sintax error,
just to confirm, is it okay if i get rid of that line?

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