If you want to remove music from your iPhone that you've previously added to your Amazon Music app, you'll need to delete those songs from your Amazon Music Library. To do so:
- Launch the Amazon Music app on your iPhone.
- Tap the menu icon in the top-left corner of the screen.
- Tap "My Music."
- Tap the album or playlist containing the tracks you want to remove.
- Tap the three dots next to a track, then tap "Delete."
- Tap "Delete" again to confirm.
You can also remove all the music from your Amazon Music Library by deleting your account:
- Launch the Amazon Music app on your iPhone.
- Tap the menu icon in the top-left corner of the screen.
- Tap "Settings."
- Tap "Manage my account."
- Tap "Delete my account."
- Tap "Delete my account" again to confirm.