Without any extras (2-6)
I believe the answer is:
no-frills
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">without any extras</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 no-frills that I've seen before include "Absence of inessential features" , "Ordinary" , "Straightforward" , "Basic (colloq.)" , "Without any extras - fins roll (anag)" .)