That is all history now.

那都是往事了。

《新英汉大辞典》

That is all history now. Don't worry about it.

那都是过去的事了，别挂在心上。

youdao

But all that is ancient history now.

但所有这一切都已成为久远的历史。

youdao

But all that is ancient history now.

但所有这一切都已成为久远的历史。

youdao