diff --git a/app/entry.worker.ts b/app/entry.worker.ts
index d307a8d..f996fa2 100644
--- a/app/entry.worker.ts
+++ b/app/entry.worker.ts
@@ -30,7 +30,11 @@ self.addEventListener("message", (event) => {
 });
 
 self.addEventListener("fetch", (event) => {
-	if (event.request.headers.get("Accept") === "text/event-stream") {
+	const isSSERequest = event.request.headers.get("Accept") === "text/event-stream";
+	const isOutsideRequest = !["localhost", "dev.shellphone.app", "www.shellphone.app"].includes(
+		new URL(event.request.url).hostname,
+	);
+	if (isSSERequest || isOutsideRequest) {
 		return;
 	}
 
diff --git a/app/service-worker/cache-utils.ts b/app/service-worker/cache-utils.ts
index 993a578..b98a5e6 100644
--- a/app/service-worker/cache-utils.ts
+++ b/app/service-worker/cache-utils.ts
@@ -68,7 +68,6 @@ export function fetchLoaderData(event: FetchEvent): Promise<Response> {
 
 	return caches.match(event.request, { cacheName: DATA_CACHE }).then((cachedResponse) => {
 		console.debug(`Serving data from ${cachedResponse ? "cache" : "network"}`, path);
-		cachedResponse?.headers.set("X-Remix-Worker", "yes");
 
 		const timestamp = lastTimeRevalidated[path] ?? 0;
 		const diff = Date.now() - timestamp;