Something outdated (3,3)
I believe the answer is:
old hat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">something outdated</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for old hat that I've seen before include "A tediously familiar thing" , "Tediously familiar like ancient headgear" , "Out of date like ancient headgear" , "Boringly familiar" , "not the gear for Ascot?" .)