You can delete unused apps in MobilePush.
- In Marketing Cloud Engagement Setup, in the Quick Find box, enter mobilepush, and then select MobilePush.
- In the table, next to the app that you want to delete, click the arrow under Actions.
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Click Delete.
Note If your app has scheduled or running messages in Automation Studio, Journey Builder, or an ongoing triggered send, a message count displays.
- To delete the app, click Confirm.