Removing sounds

Select the Audio Manager prefab in the Project window

Expand the Audios List in the Inspector window

Select the audio you want to remove

Remove the element in the Audios list (By clicking the little “-” icon in the list)

Then right-click on the Audios list and select Modified Component and click Apply to Prefab ‘AudioManager’

Alternatively, you can open the prefab and add, remove, or edit any of the amounts then save it