Perhaps the situation was of itself so secure as to render unnecessary the ordinary means of repelling an attack.
The blankets were thrown back, rendered unnecessary by the heat of the fire.
But as was subsequently seen, this sacrifice was in time rendered unnecessary.
Ultimately, circumstances played out so that Clarkson's personal involvement was rendered unnecessary.
And, throughout the New York metropolitan region, carefully crafted emergency plans were rendered unnecessary.
In a flash, all the calculating they had done for the last few weeks was rendered unnecessary.
On the other hand the second part of the trial may be rendered wholly unnecessary by the decision on the first part.
But before he could even begin to carry out his intention, it was rendered unnecessary.
Doing favors for Honda executives has been rendered unnecessary.
If we were to engage in fair trade, a great deal of the assistance would probably be rendered unnecessary.