TL;DR

We intend to support this feature in the future; now, the ability to delete chat rooms bridged to Beeper is unavailable.

Can entire chats be deleted or removed from Beeper?

Although this is not yet possible, here are some workarounds:

• First, use the Mark as Low priority and Archive features in Beeper apps to hide unwanted chats from your Inbox. (Keep in mind that chats marked as Low priority won't notify you of new incoming messages.)
• If it's specifically a WhatsApp or Telegram chat, deleting it from the native app will remove it from Beeper too.
• On supported networks, you can remove individual/unwanted messages. Note that this will remove the messages from your native apps too. Please refer to the Beeper network support matrix for the level of support for this specific feature on each chat network.
• The option to leave/remove Matrix/Beeper network rooms is still available.