diff --git a/dev/relay.toml b/dev/relay.toml
index ad6eafee1..c954f9ee1 100644
--- a/dev/relay.toml
+++ b/dev/relay.toml
@@ -15,8 +15,6 @@ listen = "[::]:4443"
 # This is used for local development, in conjunction with a fingerprint, or with TLS verification disabled.
 tls.generate = ["localhost"]
 
-backend = "quiche"
-
 [web.http]
 # Listen for HTTP and WebSocket connections on the given TCP address.
 # This is unfortunately required to serve certificate.sha256 for local development.