Things of little importance (6)
I believe the answer is:
trivia
'things of little importance' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for trivia that I've seen before include "Unimportant facts" , "useless bits of information?" , "Trifles, unimportant details" , "Inconsequential facts" , "Unimportant things, items of little value" .)