diff --git a/docs/rfcs/diagrams/2025-10-20-chat-relays.mmd b/docs/rfcs/diagrams/2025-10-20-chat-relays.mmd
deleted file mode 100644
index f4dff44ce8..0000000000
--- a/docs/rfcs/diagrams/2025-10-20-chat-relays.mmd
+++ /dev/null
@@ -1,35 +0,0 @@
-sequenceDiagram
-  participant OSMP as Owner's<br>SMP server
-  participant O as Owner
-  participant R as Chat relay(s)
-  participant RSMP as Chat relays'<br>SMP server(s)
-  participant M as Member
-
-note over OSMP, RSMP: Owner creates new group, adds chat relays
-
-O -->> O: 1. Create new group
-O ->> OSMP: 2. Create short link<br>(group entry point)
-OSMP -->> O:
-O -->> O: 3. Add link to group profile
-O -->> O: 4. Choose chat relays
-par With each relay
-    O ->> R: 5. Contact request<br>(x.grp.relay.inv)
-    R ->> RSMP: 6. Create relay link
-    RSMP -->> R:
-    R ->> O: 7. Accept request<br>(x.grp.relay.acpt)
-    O ->> OSMP: 8. Update short link<br>(add relay link)
-    OSMP -->> O:
-    O ->> R: 9. Notify relay link added<br>(x.grp.info)
-    R ->> OSMP: 10. Retrieve short link data
-    OSMP -->> R:
-    R -->> R: 11. Check relay link added
-    R ->> O: 12. Confirm to owner<br>(x.grp.relay.ready)
-end
-O -->> O: 13. Share group short link<br>(social, out-of-band)
-
-note over OSMP, M: New member connects
-
-M ->> OSMP: 1. Retrieve short link data
-OSMP -->> M:
-M ->> R: 2. Connect via relay link(s)
-R -->> M: