diff --git a/frankenphp/Caddyfile b/frankenphp/Caddyfile
index b88136748..526e1d56e 100644
--- a/frankenphp/Caddyfile
+++ b/frankenphp/Caddyfile
@@ -23,8 +23,6 @@
 	encode zstd br gzip
 
 	mercure {
-		# Transport to use (default to Bolt)
-		transport_url {$MERCURE_TRANSPORT_URL:bolt:///data/mercure.db}
 		# Publisher JWT key
 		publisher_jwt {env.MERCURE_PUBLISHER_JWT_KEY} {env.MERCURE_PUBLISHER_JWT_ALG}
 		# Subscriber JWT key