Unimportant facts (6)
I believe the answer is:
trivia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unimportant facts</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for trivia that I've seen before include "Things of little importance" , "useless bits of information?" , "Useless facts" , "Useless information - trifles" , "Minutiae" .)