diff --git a/tests/container-smoke.sh b/tests/container-smoke.sh
index 484b561..f0117e9 100755
--- a/tests/container-smoke.sh
+++ b/tests/container-smoke.sh
@@ -8,7 +8,6 @@ unconfigured="mohomo-docker-unconfigured-${suffix}"
 provider="mohomo-provider-smoke-${suffix}"
 network="mohomo-network-smoke-${suffix}"
 volume="mohomo-volume-smoke-${suffix}"
-provider_dir=""
 cookie=""
 secret="container-smoke-secret"
 admin_password="container-smoke-admin-password"
@@ -22,7 +21,6 @@ cleanup() {
 	docker container rm --force "$container" "$unconfigured" "$provider" >/dev/null 2>&1 || true
 	docker volume rm "$volume" >/dev/null 2>&1 || true
 	docker network rm "$network" >/dev/null 2>&1 || true
-	[ -z "$provider_dir" ] || rm -rf "$provider_dir"
 	[ -z "$cookie" ] || rm -f "$cookie"
 }
 trap cleanup EXIT INT TERM
@@ -101,27 +99,15 @@ docker run --rm --network none --entrypoint /bin/sh "$image" -c '
 	/usr/local/lib/ssclash/clash -t -d "$runtime" -f "$runtime/config.yaml"
 ' >/dev/null
 
-provider_dir=$(mktemp -d)
-printf '%s\n' \
-	'proxies:' \
-	'  - name: smoke-node' \
-	'    type: socks5' \
-	'    server: 127.0.0.1' \
-	'    port: 9' \
-	> "$provider_dir/provider.yaml"
-chmod 0755 "$provider_dir"
-chmod 0644 "$provider_dir/provider.yaml"
-
 docker network create "$network" >/dev/null
 docker volume create "$volume" >/dev/null
 docker run --detach --rm \
 	--name "$provider" \
 	--network "$network" \
-	--volume "$provider_dir:/srv:ro" \
 	--entrypoint /bin/sh \
-	"$image" -c 'while :; do { printf "HTTP/1.1 200 OK\r\nContent-Type: text/yaml\r\nConnection: close\r\n\r\n"; cat /srv/provider.yaml; } | nc -l -p 8080; done' >/dev/null
+	"$image" -c 'while :; do printf "HTTP/1.1 200 OK\r\nContent-Type: text/yaml\r\nConnection: close\r\n\r\nproxies:\n  - name: smoke-node\n    type: socks5\n    server: 127.0.0.1\n    port: 9\n" | nc -l -p 8080; done' >/dev/null
 attempt=0
-until docker exec "$provider" wget -qO- http://127.0.0.1:8080/provider.yaml >/dev/null; do
+until docker exec "$provider" wget -qO- http://127.0.0.1:8080/provider.yaml | grep -F 'name: smoke-node' >/dev/null; do
 	attempt=$((attempt + 1))
 	if [ "$attempt" -ge 10 ]; then
 		echo "subscription fixture did not become ready" >&2