diff --git a/packages/next/src/build/webpack/loaders/metadata/discover.ts b/packages/next/src/build/webpack/loaders/metadata/discover.ts
index 3081ded78e92c6..91e8fbb5ce61ca 100644
--- a/packages/next/src/build/webpack/loaders/metadata/discover.ts
+++ b/packages/next/src/build/webpack/loaders/metadata/discover.ts
@@ -31,13 +31,13 @@ export const STATIC_METADATA_IMAGES = {
     filename: 'twitter-image',
     extensions: ['jpg', 'jpeg', 'png', 'gif'],
   },
-} as const
+}
 
 // Produce all compositions with filename (icon, apple-icon, etc.) with extensions (png, jpg, etc.)
 async function enumMetadataFiles(
   dir: string,
   filename: string,
-  extensions: readonly string[],
+  extensions: string[],
   {
     resolvePath,
     loaderContext,
diff --git a/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.test.ts b/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.test.ts
index 38261e75ee21c4..684d94ddc697d9 100644
--- a/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.test.ts
+++ b/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.test.ts
@@ -1,4 +1,4 @@
-import type { Robots } from '../../../../lib/metadata/types/metadata-interface'
+import type { RobotsFile } from '../../../../lib/metadata/types/metadata-interface'
 import { resolveRobots, resolveSitemap } from './resolve-route-data'
 
 describe('resolveRouteData', () => {
@@ -30,7 +30,7 @@ describe('resolveRouteData', () => {
     })
 
     it('should error with ts when specify both wildcard userAgent and specific userAgent', () => {
-      const data1: Robots = {
+      const data1: RobotsFile = {
         rules: [
           // @ts-expect-error userAgent is required for Array<Robots>
           {
@@ -43,14 +43,15 @@ describe('resolveRouteData', () => {
         ],
       }
 
-      const data2: Robots = {
+      const data2: RobotsFile = {
         rules: {
-          // Can skip userAgent for single Robots
+          // @ts-expect-error When apply only 1 rule, only '*' or undefined is allowed
+          userAgent: 'Somebot',
           allow: '/',
         },
       }
 
-      const data3: Robots = {
+      const data3: RobotsFile = {
         rules: { allow: '/' },
       }
 
diff --git a/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.ts b/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.ts
index b2f1b1edaaba63..fbb39f7d7fabf5 100644
--- a/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.ts
+++ b/packages/next/src/build/webpack/loaders/metadata/resolve-route-data.ts
@@ -1,12 +1,11 @@
 import type {
-  Robots,
-  Sitemap,
+  RobotsFile,
+  SitemapFile,
 } from '../../../../lib/metadata/types/metadata-interface'
-import type { Manifest } from '../../../../lib/metadata/types/manifest-types'
 import { resolveAsArrayOrUndefined } from '../../../../lib/metadata/generate/utils'
 
 // convert robots data to txt string
-export function resolveRobots(data: Robots): string {
+export function resolveRobots(data: RobotsFile): string {
   let content = ''
   const rules = Array.isArray(data.rules) ? data.rules : [data.rules]
   for (const rule of rules) {
@@ -41,7 +40,7 @@ export function resolveRobots(data: Robots): string {
 
 // TODO-METADATA: support multi sitemap files
 // convert sitemap data to xml string
-export function resolveSitemap(data: Sitemap): string {
+export function resolveSitemap(data: SitemapFile): string {
   let content = ''
   content += '<?xml version="1.0" encoding="UTF-8"?>\n'
   content += '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n'
@@ -61,22 +60,15 @@ export function resolveSitemap(data: Sitemap): string {
   return content
 }
 
-export function resolveManifest(data: Manifest): string {
-  return JSON.stringify(data)
-}
-
 export function resolveRouteData(
-  data: Robots | Sitemap | Manifest,
-  fileType: 'robots' | 'sitemap' | 'manifest'
+  data: RobotsFile | SitemapFile,
+  fileType: 'robots' | 'sitemap'
 ): string {
   if (fileType === 'robots') {
-    return resolveRobots(data as Robots)
+    return resolveRobots(data as RobotsFile)
   }
   if (fileType === 'sitemap') {
-    return resolveSitemap(data as Sitemap)
-  }
-  if (fileType === 'manifest') {
-    return resolveManifest(data as Manifest)
+    return resolveSitemap(data as SitemapFile)
   }
   return ''
 }
diff --git a/packages/next/src/build/webpack/loaders/next-metadata-route-loader.ts b/packages/next/src/build/webpack/loaders/next-metadata-route-loader.ts
index 6b3797e8e2b13b..d465ec974508c8 100644
--- a/packages/next/src/build/webpack/loaders/next-metadata-route-loader.ts
+++ b/packages/next/src/build/webpack/loaders/next-metadata-route-loader.ts
@@ -20,7 +20,6 @@ function getContentType(resourcePath: string) {
   if (name === 'favicon' && ext === 'ico') return 'image/x-icon'
   if (name === 'sitemap') return 'application/xml'
   if (name === 'robots') return 'text/plain'
-  if (name === 'manifest') return 'application/manifest+json'
 
   if (ext === 'png' || ext === 'jpeg' || ext === 'ico' || ext === 'svg') {
     return imageExtMimeTypeMap[ext]
diff --git a/packages/next/src/lib/metadata/get-metadata-route.ts b/packages/next/src/lib/metadata/get-metadata-route.ts
index 10b56b893d60d5..b7644e32b94b2f 100644
--- a/packages/next/src/lib/metadata/get-metadata-route.ts
+++ b/packages/next/src/lib/metadata/get-metadata-route.ts
@@ -20,9 +20,6 @@ export function normalizeMetadataRoute(page: string) {
     if (route === '/robots') {
       route += '.txt'
     }
-    if (route === '/manifest') {
-      route += '.webmanifest'
-    }
     route = `${route}/route`
   }
   return route
diff --git a/packages/next/src/lib/metadata/is-metadata-route.ts b/packages/next/src/lib/metadata/is-metadata-route.ts
index d23578befa0afa..e58c978118a478 100644
--- a/packages/next/src/lib/metadata/is-metadata-route.ts
+++ b/packages/next/src/lib/metadata/is-metadata-route.ts
@@ -4,15 +4,15 @@ import { STATIC_METADATA_IMAGES } from '../../build/webpack/loaders/metadata/dis
 // TODO-METADATA: support more metadata routes with more extensions
 const defaultExtensions = ['js', 'jsx', 'ts', 'tsx']
 
-const getExtensionRegexString = (extensions: readonly string[]) =>
+const getExtensionRegexString = (extensions: string[]) =>
   `(?:${extensions.join('|')})`
 
 // When you only pass the file extension as `[]`, it will only match the static convention files
-// e.g. /robots.txt, /sitemap.xml, /favicon.ico, /manifest.json
+// e.g. /robots.txt, /sitemap.xml, /favicon.ico
 // When you pass the file extension as `['js', 'jsx', 'ts', 'tsx']`, it will also match the dynamic convention files
-// e.g. /robots.js, /sitemap.tsx, /favicon.jsx, /manifest.ts
+// e.g. /robots.js, /sitemap.tsx, /favicon.jsx
 // When `withExtension` is false, it will match the static convention files without the extension, by default it's true
-// e.g. /robots, /sitemap, /favicon, /manifest, use to match dynamic API routes like app/robots.ts
+// e.g. /robots, /sitemap, /favicon, use to match dynamic API routes like app/robots.ts
 export function isMetadataRouteFile(
   appDirRelativePath: string,
   pageExtensions: string[],
@@ -33,15 +33,6 @@ export function isMetadataRouteFile(
           : ''
       }`
     ),
-    new RegExp(
-      `^[\\\\/]manifest${
-        withExtension
-          ? `\\.${getExtensionRegexString(
-              pageExtensions.concat('webmanifest', 'json')
-            )}`
-          : ''
-      }`
-    ),
     new RegExp(`^[\\\\/]favicon\\.ico$`),
     // TODO-METADATA: add dynamic routes for metadata images
     new RegExp(
diff --git a/packages/next/src/lib/metadata/types/manifest-types.ts b/packages/next/src/lib/metadata/types/manifest-types.ts
deleted file mode 100644
index cf683abfae8f5b..00000000000000
--- a/packages/next/src/lib/metadata/types/manifest-types.ts
+++ /dev/null
@@ -1,86 +0,0 @@
-export type Manifest = {
-  background_color?: string
-  categories?: string[]
-  description?: string
-  display?: 'fullscreen' | 'standalone' | 'minimal-ui' | 'browser'
-  display_override?: string[]
-  icons?: {
-    src: string
-    type?: string
-    sizes?: string
-    purpose?: 'any' | 'maskable' | 'monochrome' | 'badge'
-  }[]
-  id?: string
-  launch_handler?: {
-    platform?: 'windows' | 'macos' | 'linux'
-    url?: string
-  }
-  name?: string
-  orientation?:
-    | 'any'
-    | 'natural'
-    | 'landscape'
-    | 'portrait'
-    | 'portrait-primary'
-    | 'portrait-secondary'
-    | 'landscape-primary'
-    | 'landscape-secondary'
-  prefer_related_applications?: boolean
-  protocol_handlers?: {
-    protocol: string
-    url: string
-    title?: string
-  }[]
-  related_applications?: {
-    platform: string
-    url: string
-    id?: string
-  }[]
-  scope?: string
-  screenshots?: {
-    src: string
-    type?: string
-    sizes?: string
-  }[]
-  serviceworker?: {
-    src?: string
-    scope?: string
-    type?: string
-    update_via_cache?: 'import' | 'none' | 'all'
-  }
-  share_target?: {
-    action?: string
-    method?: 'get' | 'post'
-    enctype?:
-      | 'application/x-www-form-urlencoded'
-      | 'multipart/form-data'
-      | 'text/plain'
-    params?: {
-      name: string
-      value: string
-      required?: boolean
-    }[]
-    url?: string
-    title?: string
-    text?: string
-    files?: {
-      accept?: string[]
-      name?: string
-    }[]
-  }
-  short_name?: string
-  shortcuts?: {
-    name: string
-    short_name?: string
-    description?: string
-    url: string
-    icons?: {
-      src: string
-      type?: string
-      sizes?: string
-      purpose?: 'any' | 'maskable' | 'monochrome' | 'badge'
-    }[]
-  }[]
-  start_url?: string
-  theme_color?: string
-}
diff --git a/packages/next/src/lib/metadata/types/metadata-interface.ts b/packages/next/src/lib/metadata/types/metadata-interface.ts
index bf4dd99bf27880..10deb233e5b5dc 100644
--- a/packages/next/src/lib/metadata/types/metadata-interface.ts
+++ b/packages/next/src/lib/metadata/types/metadata-interface.ts
@@ -538,7 +538,7 @@ type RobotsFile = {
   // Apply rules for all
   rules:
     | {
-        userAgent?: string | string[]
+        userAgent?: undefined | '*'
         allow?: string | string[]
         disallow?: string | string[]
         crawlDelay?: number
@@ -554,10 +554,10 @@ type RobotsFile = {
   host?: string
 }
 
-type Sitemap = Array<{
+type SitemapFile = Array<{
   url: string
   lastModified?: string | Date
 }>
 
 export type ResolvingMetadata = Promise<ResolvedMetadata>
-export { Metadata, ResolvedMetadata, RobotsFile as Robots, Sitemap }
+export { Metadata, ResolvedMetadata, RobotsFile, SitemapFile }
diff --git a/packages/next/src/server/lib/find-page-file.ts b/packages/next/src/server/lib/find-page-file.ts
index 6cf514a8342741..61f25b1d58be83 100644
--- a/packages/next/src/server/lib/find-page-file.ts
+++ b/packages/next/src/server/lib/find-page-file.ts
@@ -97,7 +97,6 @@ export function createValidFileMatcher(
    * /robots.txt|<ext>
    * /sitemap.xml|<ext>
    * /favicon.ico
-   * /manifest.json|<ext>
    * <route>/icon.png|jpg|<ext>
    * <route>/apple-touch-icon.png|jpg|<ext>
    *
diff --git a/packages/next/types/index.d.ts b/packages/next/types/index.d.ts
index 711cbacf434d78..876d1a152d9958 100644
--- a/packages/next/types/index.d.ts
+++ b/packages/next/types/index.d.ts
@@ -28,8 +28,11 @@ export type ServerRuntime = 'nodejs' | 'experimental-edge' | 'edge' | undefined
 // @ts-ignore This path is generated at build time and conflicts otherwise
 export { NextConfig } from '../dist/server/config'
 
-// @ts-ignore This path is generated at build time and conflicts otherwise
-export type { Metadata } from '../dist/lib/metadata/types/metadata-interface'
+export type {
+  Metadata,
+  RobotsFile,
+  SitemapFile, // @ts-ignore This path is generated at build time and conflicts otherwise
+} from '../dist/lib/metadata/types/metadata-interface'
 
 // Extend the React types with missing properties
 declare module 'react' {
diff --git a/test/e2e/app-dir/metadata-dynamic-routes/app/manifest.ts b/test/e2e/app-dir/metadata-dynamic-routes/app/manifest.ts
deleted file mode 100644
index 736cffed86b601..00000000000000
--- a/test/e2e/app-dir/metadata-dynamic-routes/app/manifest.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-export default function manifest() {
-  return {
-    name: 'Next.js App',
-    short_name: 'Next.js App',
-    description: 'Next.js App',
-    start_url: '/',
-    display: 'standalone',
-    background_color: '#fff',
-    theme_color: '#fff',
-    icons: [
-      {
-        src: '/favicon.ico',
-        sizes: 'any',
-        type: 'image/x-icon',
-      },
-    ],
-  }
-}
diff --git a/test/e2e/app-dir/metadata-dynamic-routes/app/robots.ts b/test/e2e/app-dir/metadata-dynamic-routes/app/robots.ts
index 749881098a1eab..5a2bb37510ed02 100644
--- a/test/e2e/app-dir/metadata-dynamic-routes/app/robots.ts
+++ b/test/e2e/app-dir/metadata-dynamic-routes/app/robots.ts
@@ -1,4 +1,6 @@
-export default function robots() {
+import type { RobotsFile } from 'next'
+
+export default function robots(): RobotsFile {
   return {
     rules: [
       {
diff --git a/test/e2e/app-dir/metadata-dynamic-routes/app/sitemap.ts b/test/e2e/app-dir/metadata-dynamic-routes/app/sitemap.ts
index 7b1426aa7ea45c..76a55cc17e47cc 100644
--- a/test/e2e/app-dir/metadata-dynamic-routes/app/sitemap.ts
+++ b/test/e2e/app-dir/metadata-dynamic-routes/app/sitemap.ts
@@ -1,4 +1,6 @@
-export default function sitemap() {
+import type { SitemapFile } from 'next'
+
+export default function sitemap(): SitemapFile {
   return [
     {
       url: 'https://example.com',
diff --git a/test/e2e/app-dir/metadata-dynamic-routes/index.test.ts b/test/e2e/app-dir/metadata-dynamic-routes/index.test.ts
index 4b49a9e9e84670..43d9844c22d495 100644
--- a/test/e2e/app-dir/metadata-dynamic-routes/index.test.ts
+++ b/test/e2e/app-dir/metadata-dynamic-routes/index.test.ts
@@ -56,35 +56,6 @@ createNextDescribe(
           "
         `)
       })
-
-      it('should handle manifest.[ext] dynamic routes', async () => {
-        const res = await next.fetch('/manifest.webmanifest')
-        const json = await res.json()
-
-        expect(res.headers.get('content-type')).toBe(
-          'application/manifest+json'
-        )
-        expect(res.headers.get('cache-control')).toBe(
-          'public, max-age=0, must-revalidate'
-        )
-
-        expect(json).toMatchObject({
-          name: 'Next.js App',
-          short_name: 'Next.js App',
-          description: 'Next.js App',
-          start_url: '/',
-          display: 'standalone',
-          background_color: '#fff',
-          theme_color: '#fff',
-          icons: [
-            {
-              src: '/favicon.ico',
-              sizes: 'any',
-              type: 'image/x-icon',
-            },
-          ],
-        })
-      })
     })
   }
 )
diff --git a/test/e2e/app-dir/metadata/app/basic/page.tsx b/test/e2e/app-dir/metadata/app/basic/page.tsx
index 82f9f04e593a84..b9366e712bea97 100644
--- a/test/e2e/app-dir/metadata/app/basic/page.tsx
+++ b/test/e2e/app-dir/metadata/app/basic/page.tsx
@@ -25,7 +25,7 @@ export const metadata: Metadata = {
   authors: [{ name: 'huozhi' }, { name: 'tree', url: 'https://tree.com' }],
   themeColor: { color: 'cyan', media: '(prefers-color-scheme: dark)' },
   colorScheme: 'dark',
-  manifest: 'https://www.google.com/manifest',
+  manifest: 'https://github.com/manifest.json',
   viewport: {
     width: 'device-width',
     initialScale: 1,
diff --git a/test/e2e/app-dir/metadata/app/manifest.webmanifest b/test/e2e/app-dir/metadata/app/manifest.webmanifest
deleted file mode 100644
index f3e287945395b0..00000000000000
--- a/test/e2e/app-dir/metadata/app/manifest.webmanifest
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "name": "Next.js Static Manifest",
-  "short_name": "Next.js App",
-  "description": "Next.js App",
-  "start_url": "/",
-  "display": "standalone",
-  "background_color": "#fff",
-  "theme_color": "#fff"
-}
diff --git a/test/e2e/app-dir/metadata/metadata.test.ts b/test/e2e/app-dir/metadata/metadata.test.ts
index 473282c78df896..abff83ac1434e0 100644
--- a/test/e2e/app-dir/metadata/metadata.test.ts
+++ b/test/e2e/app-dir/metadata/metadata.test.ts
@@ -210,7 +210,7 @@ createNextDescribe(
         })
 
         await matchMultiDom('link', 'rel', 'href', {
-          manifest: 'https://www.google.com/manifest',
+          manifest: 'https://github.com/manifest.json',
           author: 'https://tree.com',
           preconnect: '/preconnect-url',
           preload: '/preload-url',
@@ -687,23 +687,6 @@ createNextDescribe(
         expect(invalidSitemapResponse.status).toBe(404)
       })
 
-      it('should support static manifest.webmanifest', async () => {
-        const res = await next.fetch('/manifest.webmanifest')
-        expect(res.headers.get('content-type')).toBe(
-          'application/manifest+json'
-        )
-        const manifest = await res.json()
-        expect(manifest).toMatchObject({
-          name: 'Next.js Static Manifest',
-          short_name: 'Next.js App',
-          description: 'Next.js App',
-          start_url: '/',
-          display: 'standalone',
-          background_color: '#fff',
-          theme_color: '#fff',
-        })
-      })
-
       if (isNextStart) {
         it('should build favicon.ico as a custom route', async () => {
           const appPathsManifest = JSON.parse(