expression, i-adjective
there is no need to ...; it is hardly necessary to ...
Used after a verb to indicate that something is so obvious or trivial that it does not require the action. Often implies the action is unnecessary or not worth doing.
わざわざ説明するまでもない。
There's no need to explain it in detail.
言うまでもなく、健康は大切だ。
Needless to say, health is important.