The doors on the rear wall, which had become superfluous, were in some cases removed in order to provide a larger coal bunker.
Since their defeat in South America, the baron's presence aboard had become superfluous.
I suddenly felt and consequently knew that I had become superfluous.
The question of the stranger had become superfluous, irrelevant to everything that was about to happen.
For the purposes of settling this matter, you've become superfluous.
There was enough light now that torches were becoming superfluous.
The complicated computations which have to be prepared for each hyper-flight become superfluous.
For this reason I had repeatedly advised outright rejection of the directive, since it has become superfluous.
So this amendment has really become superfluous.
In an advanced stats society, a players' plus/minus rating has become especially superfluous.