diff --git a/docs/gateway.md b/docs/gateway.md
index 70a0c019..d9c4d1ba 100644
--- a/docs/gateway.md
+++ b/docs/gateway.md
@@ -334,9 +334,6 @@ you need:
   (not behind the gateway).
 - External git clients that push/pull via SSH directly to the host.
 
-**Breaking change**: `openFirewall` used to default to `true`. If
-external forge access stopped working after a recent upgrade, add
-`services.hyperhive.forge.openFirewall = true;` to your host config.
 Forgejo served through the gateway (`forge.behindGateway = true`) does
 not need `openFirewall` — the gateway's own `openFirewall` option covers
 that path.