If left unchecked, don’t these Agile ways of working threaten your ability to be in control? Don’t they hamper you in executing your role properly? You are still the controller, of course. Responsible for feeding and following the Plan-Do-Check-Act cycle. For identifying of risks and opportunity and communicating them - enabling the enterprise to react properly when needed.
If this uneasiness feels familiar with you, you’re not the only one.