diff --git a/rollup.config.js b/rollup.config.js
index b9c96206..6ba5f73b 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,6 +1,5 @@
 import typescript from '@rollup/plugin-typescript';
 import { basename, join } from 'path';
-import { createHash } from 'crypto';
 import {
   copySync,
   emptyDir,
@@ -28,7 +27,6 @@ export default async function (cmdArgs) {
   const reactBuildDir = join(rootDir, 'react');
   const cacheDir = join(rootDir, '.cache');
   const cache = {};
-  let sandboxHash = '';
 
   const minOpts = {
     compress: {
@@ -184,11 +182,6 @@ export default async function (cmdArgs) {
 
     const sandboxCode = isDev ? '' : await getSandbox(false);
 
-    if (!isDev) {
-      sandboxHash = createHash('sha1').update(sandboxCode).digest('hex');
-      sandboxHash = sandboxHash.substr(0, 6).toLowerCase();
-    }
-
     return {
       input: join(srcLibDir, 'service-worker', 'index.ts'),
       output,
@@ -219,11 +212,6 @@ export default async function (cmdArgs) {
             if (id === '@sandbox') {
               return `const Sandbox = ${JSON.stringify(sandboxCode)}; export default Sandbox;`;
             }
-            if (id === '@sandbox-hash') {
-              return `const SandboxHash = ${JSON.stringify(
-                sandboxHash
-              )}; export default SandboxHash;`;
-            }
             if (id === '@sandbox-debug') {
               return `const SandboxDebug = ${JSON.stringify(
                 await getSandbox(true)
@@ -267,16 +255,6 @@ export default async function (cmdArgs) {
           outputToFilesystem: false,
         }),
         {
-          resolveId(id) {
-            if (id.startsWith('@')) return id;
-          },
-          async load(id) {
-            if (id === '@sandbox-hash') {
-              return `const SandboxHash = ${JSON.stringify(
-                sandboxHash
-              )}; export default SandboxHash;`;
-            }
-          },
           writeBundle() {
             copySync(buildDir, testsBuildDir);
           },
@@ -350,7 +328,7 @@ export default async function (cmdArgs) {
     }
 
     return {
-      input: join(srcReactDir, 'index.tsx'),
+      input: join(srcReactDir, 'index.ts'),
       output: [
         {
           file: join(reactBuildDir, 'index.cjs'),
diff --git a/src/lib/main/index.ts b/src/lib/main/index.ts
index 649e4794..c9b5f7b2 100644
--- a/src/lib/main/index.ts
+++ b/src/lib/main/index.ts
@@ -1,6 +1,5 @@
 import { debug, PT_INITIALIZED_EVENT, PT_SCRIPT_TYPE } from '../utils';
 import type { MainWindow } from '../types';
-import SandboxHash from '@sandbox-hash';
 
 (function (
   doc: Document,
@@ -13,10 +12,10 @@ import SandboxHash from '@sandbox-hash';
   function ready() {
     if (!sandbox) {
       sandbox = doc.createElement('iframe');
+      sandbox.dataset.partytown = 'sandbox';
       sandbox.setAttribute('style', 'display:block;width:0;height:0;border:0;visibility:hidden');
       sandbox.setAttribute('aria-hidden', 'true');
-      sandbox.src =
-        scope + 'partytown-sandbox' + (debug ? '.debug' : '-' + SandboxHash) + '?' + Date.now();
+      sandbox.src = scope + 'partytown-sandbox' + (debug ? '.debug?' : '?') + Date.now();
       doc.body.appendChild(sandbox);
     }
   }
diff --git a/src/lib/modules.d.ts b/src/lib/modules.d.ts
index 6bc7af0f..b07de09d 100644
--- a/src/lib/modules.d.ts
+++ b/src/lib/modules.d.ts
@@ -3,11 +3,6 @@ declare module '@sandbox' {
   export default str;
 }
 
-declare module '@sandbox-hash' {
-  const str: string;
-  export default str;
-}
-
 declare module '@sandbox-debug' {
   const str: string;
   export default str;
diff --git a/src/lib/service-worker/fetch.ts b/src/lib/service-worker/fetch.ts
index d0a9f02a..827be81e 100644
--- a/src/lib/service-worker/fetch.ts
+++ b/src/lib/service-worker/fetch.ts
@@ -1,7 +1,7 @@
-import { httpRequestFromWebWorker } from './sw-message';
+import { CacheControl, ContentType, response } from './response';
 import { debug, PT_PROXY_URL } from '../utils';
+import { httpRequestFromWebWorker } from './sw-message';
 import Sandbox from '@sandbox';
-import SandboxHash from '@sandbox-hash';
 import SandboxDebug from '@sandbox-debug';
 
 export const onFetchServiceWorkerRequest = (self: ServiceWorkerGlobalScope, ev: FetchEvent) => {
@@ -9,21 +9,13 @@ export const onFetchServiceWorkerRequest = (self: ServiceWorkerGlobalScope, ev:
   const pathname = new URL(req.url).pathname;
 
   if (debug && pathname.endsWith('partytown-sandbox.debug')) {
-    ev.respondWith(
-      new Response(SandboxDebug, {
-        headers: { 'content-type': 'text/html', 'Cache-Control': 'no-store' },
-      })
-    );
-  } else if (!debug && pathname.endsWith('partytown-sandbox-' + SandboxHash)) {
-    ev.respondWith(
-      new Response(Sandbox, {
-        headers: {
-          'content-type': 'text/html',
-          'Cache-Control': 'max-age=31556952, immutable',
-        },
-      })
-    );
+    // debug version (sandbox and web worker are not inlined)
+    ev.respondWith(response(SandboxDebug, ContentType.HTML, CacheControl.NoStore));
+  } else if (!debug && pathname.endsWith('partytown-sandbox')) {
+    // sandbox and webworker, minified and inlined
+    ev.respondWith(response(Sandbox, ContentType.HTML, CacheControl.NoStore));
   } else if (pathname.endsWith(PT_PROXY_URL)) {
+    // proxy request
     ev.respondWith(httpRequestFromWebWorker(self, req));
   }
 };
diff --git a/src/lib/service-worker/response.ts b/src/lib/service-worker/response.ts
new file mode 100644
index 00000000..610d1ce2
--- /dev/null
+++ b/src/lib/service-worker/response.ts
@@ -0,0 +1,18 @@
+export const response = (body: string, contentType: ContentType, cacheControl: CacheControl) =>
+  new Response(body, {
+    headers: {
+      'content-type': contentType === ContentType.JSON ? 'application/json' : 'text/html',
+      'Cache-Control':
+        cacheControl === CacheControl.Immutable ? 'max-age=31556952,immutable' : 'no-store',
+    },
+  });
+
+export const enum ContentType {
+  HTML,
+  JSON,
+}
+
+export const enum CacheControl {
+  Immutable,
+  NoStore,
+}
diff --git a/src/lib/service-worker/sw-message.ts b/src/lib/service-worker/sw-message.ts
index beec4843..239ba77c 100644
--- a/src/lib/service-worker/sw-message.ts
+++ b/src/lib/service-worker/sw-message.ts
@@ -1,5 +1,6 @@
 import type { MainAccessRequest, MainAccessResponse } from '../types';
 import { debug } from '../utils';
+import { CacheControl, ContentType, response } from './response';
 
 const resolves = new Map<number, MessageResolve>();
 
@@ -57,11 +58,7 @@ export const httpRequestFromWebWorker = (self: ServiceWorkerGlobalScope, req: Re
     const accessReq: MainAccessRequest = await req.clone().json();
     const responseData = await sendMessageToSandboxFromServiceWorker(self, accessReq);
 
-    resolve(
-      new Response(JSON.stringify(responseData), {
-        headers: { 'Content-Type': 'application/json', 'Cache-Control': 'no-store' },
-      })
-    );
+    resolve(response(JSON.stringify(responseData), ContentType.JSON, CacheControl.Immutable));
   });
 
 type MessageResolve = [(data?: any) => void, any];