You went to a great deal of unnecessary trouble.
Why not just leave things as they are and avoid unnecessary trouble?
"I kept getting into sort of unnecessary troubles," he says.
The police had worked through it, then found that they'd gone to a lot of unnecessary trouble.
Those men were giving much unnecessary trouble, since they had to die at sun- set in any case.
But at least she certainly did not seem to be the type who was going to cause a lot of unnecessary trouble.
Let us speak frankly to each other and not create unnecessary trouble.
I will go that extra mile, to avoid unnecessary trouble.
I do hope you weren't put to unnecessary trouble.
NO one had thought of locking the huge door again, because it was unnecessary and too much trouble.