there being no use in arguing (about it)
don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control
Not a word to anyone; Mum's the word
don't worry about it; there is nothing to fear; there is no need for anxiety; everything is under control
useless object; deadwood; white elephant; boondoggle
There's no point in staying (here) any longer; There's no point in prolonging a (the) visit; There's no point in extending one's stay