Open Control Center
Tap the AirPlay icon
Select iPhone or This Device
On Apple TV, go to Settings
Select AirPlay and HomeKit
Turn AirPlay Off
On Mac, click the AirPlay icon in the menu bar
Choose Turn AirPlay Off
On iPhone or iPad, go to Settings
Tap General
Tap AirPlay & Handoff
Set Automatically AirPlay to Off or Never
On supported TVs or speakers, disconnect from the AirPlay session in the device’s playback controls