Removal can cause unnecessary complications to the middle and internal ear.

It would never do to be too hasty, and to get myself involved in unnecessary political complications.

"Trust a Dal to come up with an unnecessary complication."

He'd merely wanted an excuse to eliminate the man as an unnecessary complication.

It had still seemed like an unnecessary complication to me.

It was an unnecessary complication to the situation but, guilty or not, Cora wasn't going to suffer in their hands.

Flame and her computer were quite suspicious enough without adding any such unnecessary complications.

But that requires a type system, an unnecessary complication.

They move fast without any unnecessary complications dragging the predictable conclusion.

Just to avoid unnecessary complications, they'd decided to go at night.