diff --git a/packages/playwright-core/src/server/frames.ts b/packages/playwright-core/src/server/frames.ts
index 787fae44fe..fb4dcee705 100644
--- a/packages/playwright-core/src/server/frames.ts
+++ b/packages/playwright-core/src/server/frames.ts
@@ -1692,6 +1692,17 @@ export class Frame extends SdkObject {
         if (db.name)
           indexedDB.deleteDatabase(db.name!);
       }
+
+      // Clean StorageManager
+      const root = await navigator.storage.getDirectory();
+      const entries = await (root as any).entries();
+      // Manual loop instead of for await because in Firefox's utility context instanceof AsyncIterable is not working.
+      let entry = await entries.next();
+      while (!entry.done) {
+        const [name] = entry.value;
+        await root.removeEntry(name, { recursive: true });
+        entry = await entries.next();
+      }
     }, { ls: newStorage?.localStorage }).catch(() => {});
   }
 
diff --git a/tests/library/browsercontext-reuse.spec.ts b/tests/library/browsercontext-reuse.spec.ts
index c25d66d588..057bc1d223 100644
--- a/tests/library/browsercontext-reuse.spec.ts
+++ b/tests/library/browsercontext-reuse.spec.ts
@@ -15,13 +15,16 @@
  */
 
 import { browserTest, expect } from '../config/browserTest';
-import type { BrowserContext } from '@playwright/test';
+import type { BrowserContext, BrowserContextOptions } from '@playwright/test';
 
-const test = browserTest.extend<{ reusedContext: () => Promise<BrowserContext> }>({
+const test = browserTest.extend<{ reusedContext: (options?: BrowserContextOptions) => Promise<BrowserContext> }>({
   reusedContext: async ({ browserType, browser }, use) => {
-    await use(async () => {
+    await use(async (options: BrowserContextOptions = {}) => {
       const defaultContextOptions = (browserType as any)._defaultContextOptions;
-      const context = await (browser as any)._newContextForReuse(defaultContextOptions);
+      const context = await (browser as any)._newContextForReuse({
+        ...defaultContextOptions,
+        ...options,
+      });
       return context;
     });
   },
@@ -235,6 +238,33 @@ test('should reset mouse position', async ({ reusedContext, browserName, platfor
   await expect(page.locator('#two')).toHaveCSS('background-color', 'rgb(0, 0, 255)');
 });
 
+test('should reset Origin Private File System', async ({ reusedContext, httpsServer, browserName }) => {
+  test.skip(browserName === 'webkit', 'getDirectory is not supported in ephemeral context in WebKit https://github.com/microsoft/playwright/issues/18235#issuecomment-1289792576');
+  test.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/29901' });
+
+  let context = await reusedContext({ ignoreHTTPSErrors: true });
+  let page = await context.newPage();
+  await page.goto(httpsServer.EMPTY_PAGE);
+  await page.evaluate(async () => {
+    const root = await navigator.storage.getDirectory();
+    await root.getDirectoryHandle('someDirectoryName', { create: true });
+    await root.getFileHandle('foo.txt', { create: true });
+  });
+
+  context = await reusedContext({ ignoreHTTPSErrors: true });
+  page = await context.newPage();
+  await page.goto(httpsServer.EMPTY_PAGE);
+  const { directoryExits, fileExits } = await page.evaluate(async () => {
+    const root = await navigator.storage.getDirectory();
+    let directoryExits = true, fileExits = true;
+    await root.getDirectoryHandle('someDirectoryName').catch(() => { directoryExits = false; });
+    await root.getFileHandle('foo.txt').catch(() => { fileExits = false; });
+    return { directoryExits, fileExits };
+  });
+  expect(directoryExits).toBe(false);
+  expect(fileExits).toBe(false);
+});
+
 test('should reset tracing', async ({ reusedContext, trace }, testInfo) => {
   test.skip(trace === 'on');
 
diff --git a/tests/playwright-test/playwright.reuse.spec.ts b/tests/playwright-test/playwright.reuse.spec.ts
index 67a02613c5..799b6fa3d7 100644
--- a/tests/playwright-test/playwright.reuse.spec.ts
+++ b/tests/playwright-test/playwright.reuse.spec.ts
@@ -212,7 +212,7 @@ test('should clean storage', async ({ runInlineTest }) => {
       let lastContextGuid;
 
       test.beforeEach(async ({ page }) => {
-        await page.route('**/*', route => route.fulfill('<html></html>'));
+        await page.route('**/*', route => route.fulfill({ body: '<html></html>', contentType: 'text/html' }));
         await page.goto('http://example.com');
       });
 
@@ -273,7 +273,7 @@ test('should restore localStorage', async ({ runInlineTest }) => {
       });
 
       test.beforeEach(async ({ page }) => {
-        await page.route('**/*', route => route.fulfill('<html></html>'));
+        await page.route('**/*', route => route.fulfill({ body: '<html></html>', contentType: 'text/html' }));
         await page.goto('http://example.com');
       });
 
@@ -330,7 +330,7 @@ test('should clean db', async ({ runInlineTest }) => {
       let lastContextGuid;
 
       test.beforeEach(async ({ page }) => {
-        await page.route('**/*', route => route.fulfill('<html></html>'));
+        await page.route('**/*', route => route.fulfill({ body: '<html></html>', contentType: 'text/html' }));
         await page.goto('http://example.com');
       });
 
@@ -380,7 +380,7 @@ test('should restore cookies', async ({ runInlineTest }) => {
       });
 
       test.beforeEach(async ({ page }) => {
-        await page.route('**/*', route => route.fulfill('<html></html>'));
+        await page.route('**/*', route => route.fulfill({ body: '<html></html>', contentType: 'text/html' }));
         await page.goto('http://example.com');
       });