diff --git a/src/rendezvous_server.rs b/src/rendezvous_server.rs
index ff68441..d8d9be8 100644
--- a/src/rendezvous_server.rs
+++ b/src/rendezvous_server.rs
@@ -425,16 +425,8 @@ impl RendezvousServer {
                     socket.send(&msg_out, addr).await?
                 }
                 Some(rendezvous_message::Union::PunchHoleRequest(ph)) => {
-                    if self.pm.is_in_memory(&ph.id).await {
-                        self.handle_udp_punch_hole_request(addr, ph, key).await?;
-                    } else {
-                        // not in memory, fetch from db with spawn in case blocking me
-                        let mut me = self.clone();
-                        let key = key.to_owned();
-                        tokio::spawn(async move {
-                            allow_err!(me.handle_udp_punch_hole_request(addr, ph, &key).await);
-                        });
-                    }
+                    // UDP PunchHoleRequest is intentionally unsupported.
+                    // The supported client path sends PunchHoleRequest over TCP/WS.
                 }
                 Some(rendezvous_message::Union::PunchHoleSent(phs)) => {
                     self.handle_hole_sent(phs, addr, Some(socket)).await?;