On desktop (macOS, Windows, or on Wire for web)
Inside the conversation:
1. Select the conversation name at the top or the info button .
2. Select Clear content.
On mobile devices:
In the conversation list:
- Swipe right on the conversation you'd like to delete.
- Select Clear Content.
You will be asked if you want to delete the conversation; if it is a group conversation, you can choose to leave it.
Deleting a conversation will clear your history on all your devices and remove it from your active list.