diff --git a/bridgev2/networkinterface.go b/bridgev2/networkinterface.go
index 8293be51..42fbb1ed 100644
--- a/bridgev2/networkinterface.go
+++ b/bridgev2/networkinterface.go
@@ -984,6 +984,14 @@ type PushParsingNetwork interface {
 	ParsePushNotification(ctx context.Context, data json.RawMessage) (networkid.UserLoginID, any, error)
 }
 
+// DeleteChatHandlingNetworkAPI is an optional interface that network connectors
+// can implement to delete a chat from the remote network.
+type DeleteChatHandlingNetworkAPI interface {
+	NetworkAPI
+	// HandleMatrixDeleteChat is called when the user explicitly deletes a chat.
+	HandleMatrixDeleteChat(ctx context.Context, msg *MatrixDeleteChat) error
+}
+
 type RemoteEventType int
 
 func (ret RemoteEventType) String() string {
@@ -1374,6 +1382,13 @@ type MatrixViewingChat struct {
 	Portal *Portal
 }
 
+type MatrixDeleteChat struct {
+	// The portal that the user deleted.
+	Portal *Portal
+	// Delete the chat for the other user in that chat. Not every bridge supports this.
+	DeleteForEveryone bool
+}
+
 type MatrixMarkedUnread = MatrixRoomMeta[*event.MarkedUnreadEventContent]
 type MatrixMute = MatrixRoomMeta[*event.BeeperMuteEventContent]
 type MatrixRoomTag = MatrixRoomMeta[*event.TagEventContent]