How do I delete form 8862 I don’t need it

Here's the general procedure for viewing the forms list and deleting unwanted forms, schedules, and worksheets in TurboTax Online:

1. Open or continue your return in TurboTax.
2. In the left menu, select Tax Tools and then Tools.
3. In the pop-up window Tool Center, choose Delete a form.
4. Select Delete next to the form/schedule/worksheet in the list and follow the instructions.

I’m doing it on the app on my iPhone. There is no tools option

Unfortunately, you cannot delete a form in the mobile App.  The mobile app will not show you the Tools feature.

To delete a form, you will need to log out of the app and log into a browser. Then:

1. In the left side bar, select Tax Tools, then Tools.
2. In the pop-up window Tool Center, choose Delete a form.
3. Select Delete next to the form or schedule you'd like to delete.