diff --git a/packages/next/errors.json b/packages/next/errors.json
index a0d180d3b8bd..d4d65326b525 100644
--- a/packages/next/errors.json
+++ b/packages/next/errors.json
@@ -1252,5 +1252,6 @@
   "1251": "Route \"%s\": Next.js encountered runtime data during the initial render or a navigation.\\n\\n\\`cookies()\\`, \\`headers()\\`, \\`params\\`, or \\`searchParams\\` accessed outside of \\`<Suspense>\\` prevents the route from being prerendered or the navigation from being instant, leading to a slower user experience.\\n\\nWays to fix this:\\n  - Provide a placeholder with \\`<Suspense fallback={...}>\\` around the data access\\n  - Use \\`generateStaticParams\\` to make route params static\\n  - Set \\`export const instant = false\\` to allow a blocking route\\n\\nLearn more: https://nextjs.org/docs/messages/blocking-route",
   "1252": "\\`experimental.cssChunking: \"graph\"\\` is only supported with Turbopack. Please remove the option or run Next.js with Turbopack in %s.",
   "1253": "\\`experimental.cssChunking: \"strict\"\\` is only supported with webpack. Please remove the option or run Next.js with webpack in %s.",
-  "1254": "\\`experimental.cssChunking: false\\` is only supported with webpack. Please remove the option or run Next.js with webpack in %s."
+  "1254": "\\`experimental.cssChunking: false\\` is only supported with webpack. Please remove the option or run Next.js with webpack in %s.",
+  "1255": "Invariant: expected static metadata route to have a prerender pathname (%s)"
 }
diff --git a/packages/next/src/build/adapter/build-complete.ts b/packages/next/src/build/adapter/build-complete.ts
index cbd3ce28b81d..34f88bb22681 100644
--- a/packages/next/src/build/adapter/build-complete.ts
+++ b/packages/next/src/build/adapter/build-complete.ts
@@ -43,6 +43,7 @@ import {
 } from '../../lib/constants'
 
 import { normalizeLocalePath } from '../../shared/lib/i18n/normalize-locale-path'
+import { getStaticMetadataPrerenderPathname } from '../../lib/metadata/get-metadata-route'
 import { isStaticMetadataFile } from '../../lib/metadata/is-metadata-route'
 import { addPathPrefix } from '../../shared/lib/router/utils/add-path-prefix'
 import { getRedirectStatus, modifyRouteRegex } from '../../lib/redirect-status'
@@ -988,19 +989,17 @@ export async function handleBuildComplete({
           // Dynamic metadata routes (e.g. robots/sitemap using connection())
           // should remain app routes in adapter outputs.
           const isStaticMetadataRoute = isStaticMetadataFile(normalizedPage)
+          const staticMetadataPrerenderPathname =
+            getStaticMetadataPrerenderPathname(normalizedPage) ?? normalizedPage
           const isPrerenderedMetadataRoute =
-            prerenderManifest.routes[normalizedPage] ||
-            prerenderManifest.dynamicRoutes[normalizedPage] ||
+            prerenderManifest.routes[staticMetadataPrerenderPathname] ||
             config.i18n?.locales?.some((locale) => {
               const localePathname = path.posix.join(
                 '/',
                 locale,
-                normalizedPage.slice(1)
-              )
-              return (
-                prerenderManifest.routes[localePathname] ||
-                prerenderManifest.dynamicRoutes[localePathname]
+                staticMetadataPrerenderPathname.slice(1)
               )
+              return prerenderManifest.routes[localePathname]
             })
 
           if (isStaticMetadataRoute && isPrerenderedMetadataRoute) {
@@ -1522,6 +1521,10 @@ export async function handleBuildComplete({
       }
 
       for (const dynamicRoute in prerenderManifest.dynamicRoutes) {
+        if (isStaticMetadataFile(dynamicRoute)) {
+          continue
+        }
+
         const {
           fallback,
           fallbackExpire,
diff --git a/packages/next/src/build/index.ts b/packages/next/src/build/index.ts
index bba1cd4a6529..6dc95c75ab99 100644
--- a/packages/next/src/build/index.ts
+++ b/packages/next/src/build/index.ts
@@ -165,6 +165,8 @@ import { webpackBuild } from './webpack-build'
 import { NextBuildContext } from './build-context'
 import { normalizePathSep } from '../shared/lib/page-path/normalize-path-sep'
 import { isAppRouteRoute } from '../lib/is-app-route-route'
+import { getStaticMetadataPrerenderPathname } from '../lib/metadata/get-metadata-route'
+import { isStaticMetadataFile } from '../lib/metadata/is-metadata-route'
 import { createClientRouterFilter } from '../lib/create-client-router-filter'
 import { startTypeChecking } from './type-check'
 import { generateInterceptionRoutesRewrites } from '../lib/generate-interception-routes-rewrites'
@@ -3183,13 +3185,39 @@ export default async function build(
             const unsortedUnknownPrerenderRoutes: PrerenderedRoute[] = []
             const unsortedKnownPrerenderRoutes: PrerenderedRoute[] = []
             for (const prerenderedRoute of prerenderedRoutes) {
+              let route = prerenderedRoute
+              // Static metadata files under dynamic segments (e.g.
+              // `/[id]/apple-icon.png`) produce the same bytes regardless of
+              // params, so they prerender once to a canonical pathname with
+              // dynamic segments replaced by `-` (e.g. `/-/apple-icon.png`).
+              // Rewriting here ensures they land in `prerenderManifest.routes`
+              // as known static entries rather than in `dynamicRoutes` with
+              // fallback params, which they don't actually need.
+              const staticMetadataPrerenderPathname =
+                getStaticMetadataPrerenderPathname(prerenderedRoute.pathname)
+
               if (
-                prerenderedRoute.fallbackRouteParams &&
-                prerenderedRoute.fallbackRouteParams.length > 0
+                staticMetadataPrerenderPathname &&
+                staticMetadataPrerenderPathname !== prerenderedRoute.pathname
               ) {
-                unsortedUnknownPrerenderRoutes.push(prerenderedRoute)
+                route = {
+                  params: prerenderedRoute.params,
+                  pathname: staticMetadataPrerenderPathname,
+                  encodedPathname: staticMetadataPrerenderPathname,
+                  fallbackRouteParams: undefined,
+                  fallbackMode: prerenderedRoute.fallbackMode,
+                  fallbackRootParams: undefined,
+                  throwOnEmptyStaticShell: undefined,
+                }
+              }
+
+              if (
+                route.fallbackRouteParams &&
+                route.fallbackRouteParams.length > 0
+              ) {
+                unsortedUnknownPrerenderRoutes.push(route)
               } else {
-                unsortedKnownPrerenderRoutes.push(prerenderedRoute)
+                unsortedKnownPrerenderRoutes.push(route)
               }
             }
 
@@ -3363,6 +3391,16 @@ export default async function build(
               }
 
               for (const route of dynamicPrerenderedRoutes) {
+                // Static metadata files are rewritten above into the known
+                // static bucket under their `-`-placeholder pathname, so any
+                // entry that slips through here (e.g. an unexpected fallback
+                // shape) must not generate a dynamic PRERENDER manifest entry
+                // — the route handler shipped with the dynamic route still
+                // serves these at runtime.
+                if (isStaticMetadataFile(route.pathname)) {
+                  continue
+                }
+
                 const normalizedRoute = normalizePagePath(route.pathname)
                 const parentPageInfo = pageInfos.get(page) as PageInfo
 
@@ -4069,6 +4107,20 @@ export default async function build(
         NextBuildContext.allowedRevalidateHeaderKeys =
           config.experimental.allowedRevalidateHeaderKeys
 
+        // Defensive sweep: static metadata files should never end up in
+        // `dynamicRoutes` because they are rewritten to the `-`-placeholder
+        // pathname and added to `routes` above. If anything upstream
+        // (e.g. a code path that calls `addDynamicRoute` directly) still
+        // registers a bracketed entry like `/[id]/apple-icon.png` here, the
+        // adapter would later look for a parent app output that doesn't
+        // exist and throw an invariant error. Strip those entries before the
+        // manifest is written.
+        for (const route of Object.keys(prerenderManifest.dynamicRoutes)) {
+          if (isStaticMetadataFile(route)) {
+            delete prerenderManifest.dynamicRoutes[route]
+          }
+        }
+
         await writePrerenderManifest(distDir, prerenderManifest)
         await writeManifest(
           path.join(distDir, SERVER_DIRECTORY, PREFETCH_HINTS),
diff --git a/packages/next/src/build/utils.ts b/packages/next/src/build/utils.ts
index 0b9f7ffd525c..0e9389224c38 100644
--- a/packages/next/src/build/utils.ts
+++ b/packages/next/src/build/utils.ts
@@ -81,13 +81,9 @@ import type {
 import type { FunctionsConfigManifest, ManifestRoute } from './index'
 import { getNamedRouteRegex } from '../shared/lib/router/utils/route-regex'
 import { parseNormalizedAppRoute } from '../shared/lib/router/routes/app'
-import { fillStaticMetadataSegment } from '../lib/metadata/get-metadata-route'
-import { STATIC_METADATA_IMAGES } from '../lib/metadata/is-metadata-route'
-
-// Build a set of static metadata image filenames for quick lookup
-const staticMetadataImageFilenames = new Set<string>(
-  Object.values(STATIC_METADATA_IMAGES).map((meta) => meta.filename)
-)
+import { getStaticMetadataPrerenderPathname } from '../lib/metadata/get-metadata-route'
+import { isStaticMetadataFile } from '../lib/metadata/is-metadata-route'
+import { normalizeAppPath } from '../shared/lib/router/utils/app-paths'
 
 /**
  * Get the display path for build output. For static metadata files under
@@ -95,26 +91,42 @@ const staticMetadataImageFilenames = new Set<string>(
  * e.g., /dynamic/[id]/icon.png -> /dynamic/-/icon.png
  */
 function getTreeViewDisplayPath(pagePath: string): string {
-  // Check if the path contains dynamic segments
-  if (!isDynamicRoute(pagePath)) {
-    return pagePath
-  }
+  const prerenderPathname = getStaticMetadataPrerenderPathname(
+    pagePath.startsWith('/') ? pagePath : `/${pagePath}`
+  )
+  return prerenderPathname ?? pagePath
+}
 
-  // Check if the filename is a static metadata image
-  const lastSlash = pagePath.lastIndexOf('/')
-  const filename = pagePath.slice(lastSlash + 1)
-  const dotIndex = filename.lastIndexOf('.')
-  const baseName = dotIndex > 0 ? filename.slice(0, dotIndex) : filename
+function buildStaticMetadataStaticPaths(page: string): {
+  fallbackMode: FallbackMode | undefined
+  prerenderedRoutes: PrerenderedRoute[]
+} {
+  let pathname = normalizeAppPath(page)
+  if (pathname.endsWith('/route')) {
+    pathname = pathname.slice(0, -'/route'.length)
+  }
 
-  // Check against known static metadata image filenames (e.g., icon, apple-icon, opengraph-image)
-  if (!staticMetadataImageFilenames.has(baseName)) {
-    return pagePath
+  const prerenderPathname = getStaticMetadataPrerenderPathname(pathname)
+  if (!prerenderPathname) {
+    throw new Error(
+      `Invariant: expected static metadata route to have a prerender pathname (${page})`
+    )
   }
 
-  // Transform using the static metadata resolver so dynamic segments use "-"
-  const segment = pagePath.slice(0, lastSlash)
-  const lastSegment = filename
-  return fillStaticMetadataSegment(segment, lastSegment)
+  return {
+    fallbackMode: undefined,
+    prerenderedRoutes: [
+      {
+        params: {},
+        pathname: prerenderPathname,
+        encodedPathname: prerenderPathname,
+        fallbackRouteParams: undefined,
+        fallbackMode: undefined,
+        fallbackRootParams: undefined,
+        throwOnEmptyStaticShell: undefined,
+      },
+    ],
+  }
 }
 
 export type ROUTER_TYPE = 'pages' | 'app'
@@ -871,29 +883,42 @@ export async function isPageStatic({
         // build the static paths. The edge runtime doesn't support static
         // paths.
         if (route.dynamicSegments.length > 0 && !pathIsEdgeRuntime) {
-          ;({ prerenderedRoutes, fallbackMode: prerenderFallbackMode } =
-            await buildAppStaticPaths({
-              dir,
-              page,
-              route,
-              cacheComponents,
-              authInterrupts,
-              useCacheTimeout,
-              staticPageGenerationTimeout,
-              segments,
-              distDir,
-              requestHeaders: {},
-              isrFlushToDisk,
-              cacheMaxMemorySize,
-              cacheHandler,
-              cacheLifeProfiles,
-              ComponentMod,
-              nextConfigOutput,
-              isRoutePPREnabled,
-              buildId,
-              deploymentId,
-              rootParamKeys,
-            }))
+          let pathname = normalizeAppPath(page)
+          if (pathname.endsWith('/route')) {
+            pathname = pathname.slice(0, -'/route'.length)
+          }
+
+          if (
+            routeModule.definition.kind === RouteKind.APP_ROUTE &&
+            isStaticMetadataFile(pathname)
+          ) {
+            ;({ prerenderedRoutes, fallbackMode: prerenderFallbackMode } =
+              buildStaticMetadataStaticPaths(page))
+          } else {
+            ;({ prerenderedRoutes, fallbackMode: prerenderFallbackMode } =
+              await buildAppStaticPaths({
+                dir,
+                page,
+                route,
+                cacheComponents,
+                authInterrupts,
+                useCacheTimeout,
+                staticPageGenerationTimeout,
+                segments,
+                distDir,
+                requestHeaders: {},
+                isrFlushToDisk,
+                cacheMaxMemorySize,
+                cacheHandler,
+                cacheLifeProfiles,
+                ComponentMod,
+                nextConfigOutput,
+                isRoutePPREnabled,
+                buildId,
+                deploymentId,
+                rootParamKeys,
+              }))
+          }
         }
       } else {
         if (!Comp || !isValidElementType(Comp) || typeof Comp === 'string') {
diff --git a/packages/next/src/lib/metadata/get-metadata-route.test.ts b/packages/next/src/lib/metadata/get-metadata-route.test.ts
index 5085dd84d8ee..ba7df45d18b9 100644
--- a/packages/next/src/lib/metadata/get-metadata-route.test.ts
+++ b/packages/next/src/lib/metadata/get-metadata-route.test.ts
@@ -1,6 +1,7 @@
 import {
   fillMetadataSegment,
   fillStaticMetadataSegment,
+  getStaticMetadataPrerenderPathname,
   normalizeMetadataRoute,
 } from './get-metadata-route'
 
@@ -33,6 +34,57 @@ describe('fillStaticMetadataSegment', () => {
   })
 })
 
+describe('getStaticMetadataPrerenderPathname', () => {
+  it('should return null for non-metadata routes', () => {
+    expect(getStaticMetadataPrerenderPathname('/dynamic/[id]/page')).toBeNull()
+  })
+
+  it('should normalize static metadata under dynamic segments', () => {
+    expect(
+      getStaticMetadataPrerenderPathname('/dynamic/[id]/apple-icon.png')
+    ).toBe('/dynamic/-/apple-icon.png')
+    expect(
+      getStaticMetadataPrerenderPathname('/dynamic/[id]/sitemap.xml')
+    ).toBe('/dynamic/-/sitemap.xml')
+  })
+
+  it('should preserve static metadata routes without dynamic segments', () => {
+    expect(getStaticMetadataPrerenderPathname('/static/apple-icon.png')).toBe(
+      '/static/apple-icon.png'
+    )
+  })
+
+  it('should collapse catchall segments to a single placeholder', () => {
+    expect(
+      getStaticMetadataPrerenderPathname('/[...slug]/apple-icon.png')
+    ).toBe('/-/apple-icon.png')
+  })
+
+  it('should collapse optional catchall segments to a single placeholder', () => {
+    expect(
+      getStaticMetadataPrerenderPathname('/[[...slug]]/apple-icon.png')
+    ).toBe('/-/apple-icon.png')
+  })
+
+  it('should replace each dynamic segment independently', () => {
+    expect(getStaticMetadataPrerenderPathname('/[a]/[b]/apple-icon.png')).toBe(
+      '/-/-/apple-icon.png'
+    )
+  })
+
+  it('should preserve literal segments between dynamic ones', () => {
+    expect(
+      getStaticMetadataPrerenderPathname('/[lang]/posts/[slug]/apple-icon.png')
+    ).toBe('/-/posts/-/apple-icon.png')
+  })
+
+  it('should normalize mixed dynamic and catchall segments', () => {
+    expect(
+      getStaticMetadataPrerenderPathname('/[lang]/[...rest]/apple-icon.png')
+    ).toBe('/-/-/apple-icon.png')
+  })
+})
+
 describe('fillMetadataSegment', () => {
   it('should continue to interpolate dynamic metadata routes from params', () => {
     expect(
diff --git a/packages/next/src/lib/metadata/get-metadata-route.ts b/packages/next/src/lib/metadata/get-metadata-route.ts
index 2f8654500d98..7adb167f4c99 100644
--- a/packages/next/src/lib/metadata/get-metadata-route.ts
+++ b/packages/next/src/lib/metadata/get-metadata-route.ts
@@ -5,7 +5,9 @@ import { getNamedRouteRegex } from '../../shared/lib/router/utils/route-regex'
 import { PARAMETER_PATTERN } from '../../shared/lib/router/utils/get-dynamic-param'
 import { djb2Hash } from '../../shared/lib/hash'
 import { normalizeAppPath } from '../../shared/lib/router/utils/app-paths'
+import { isDynamicRoute } from '../../shared/lib/router/utils'
 import { normalizePathSep } from '../../shared/lib/page-path/normalize-path-sep'
+import { isMetadataRouteFile } from './is-metadata-route'
 import {
   isGroupSegment,
   isParallelRouteSegment,
@@ -98,6 +100,32 @@ export function fillStaticMetadataSegment(
   )
 }
 
+/**
+ * Returns the pathname used when prerendering static metadata files. Dynamic
+ * segments are replaced with "-" placeholders so the file is exported once.
+ */
+export function getStaticMetadataPrerenderPathname(
+  pathname: string
+): string | null {
+  const normalized = pathname.startsWith('/') ? pathname : `/${pathname}`
+  if (!isMetadataRouteFile(normalized, [], true)) {
+    return null
+  }
+
+  if (!isDynamicRoute(normalized)) {
+    return normalized
+  }
+
+  const lastSlash = normalized.lastIndexOf('/')
+  if (lastSlash === -1) {
+    return normalized
+  }
+
+  const segment = normalized.slice(0, lastSlash) || '/'
+  const lastSegment = normalized.slice(lastSlash + 1)
+  return fillStaticMetadataSegment(segment, lastSegment)
+}
+
 /**
  * Fill the dynamic segment in the metadata route
  *
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-dynamic-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-dynamic-route.test.ts
index 1ef66e9c1d40..cc5849d91973 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-dynamic-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-dynamic-route.test.ts
@@ -1,5 +1,9 @@
 import { nextTestSetup, isNextStart } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-dynamic-route', () => {
   if (process.env.__NEXT_CACHE_COMPONENTS) {
@@ -26,7 +30,6 @@ describe('metadata-files-static-output-dynamic-route', () => {
 
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -121,11 +124,11 @@ describe('metadata-files-static-output-dynamic-route', () => {
       actualTwitterImage,
       actualSitemap,
     ] = await Promise.all([
-      next.readFileBuffer('app/dynamic/[id]/apple-icon.png'),
-      next.readFileBuffer('app/dynamic/[id]/icon.png'),
-      next.readFileBuffer('app/dynamic/[id]/opengraph-image.png'),
-      next.readFileBuffer('app/dynamic/[id]/twitter-image.png'),
-      next.readFile('app/dynamic/[id]/sitemap.xml'),
+      readFixtureBuffer('app/dynamic/[id]/apple-icon.png'),
+      readFixtureBuffer('app/dynamic/[id]/icon.png'),
+      readFixtureBuffer('app/dynamic/[id]/opengraph-image.png'),
+      readFixtureBuffer('app/dynamic/[id]/twitter-image.png'),
+      readFixtureText('app/dynamic/[id]/sitemap.xml'),
     ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-group-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-group-route.test.ts
index 43ba4e6e9b3c..9899c8303d66 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-group-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-group-route.test.ts
@@ -1,32 +1,13 @@
 import { nextTestSetup } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-group-route', () => {
-  if (process.env.__NEXT_CACHE_COMPONENTS) {
-    // Cache Components build fails when metadata files are inside a dynamic route.
-    //
-    // Route "/dynamic/[id]": Next.js encountered uncached or runtime data in `generateMetadata()`.
-    //
-    // This prevents the page from being prerendered, leading to a slower user experience.
-    //
-    // Ways to fix this:
-    //   - Use a static metadata export instead of `generateMetadata()`
-    //   - Cache the metadata with `"use cache"` in `generateMetadata()`
-    //   - Add a dynamic data access (e.g. `await connection()`) to the page to render it at request time
-    //   - Set `export const instant = false` to allow a blocking route
-    //
-    // Learn more: https://nextjs.org/docs/messages/next-prerender-dynamic-metadata
-    // Error occurred prerendering page "/dynamic/[id]". Read more: https://nextjs.org/docs/messages/prerender-error
-    // Export encountered an error on /dynamic/[id]/page: /dynamic/[id], exiting the build.
-    //
-    // TODO: Remove this skip when metadata files are supported in dynamic routes for Cache Components.
-    it.skip('should skip test for Cache Components', () => {})
-    return
-  }
-
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -118,11 +99,11 @@ describe('metadata-files-static-output-group-route', () => {
       actualTwitterImage,
       actualSitemap,
     ] = await Promise.all([
-      next.readFileBuffer('app/(group)/group/apple-icon.png'),
-      next.readFileBuffer('app/(group)/group/icon.png'),
-      next.readFileBuffer('app/(group)/group/opengraph-image.png'),
-      next.readFileBuffer('app/(group)/group/twitter-image.png'),
-      next.readFile('app/(group)/group/sitemap.xml'),
+      readFixtureBuffer('app/(group)/group/apple-icon.png'),
+      readFixtureBuffer('app/(group)/group/icon.png'),
+      readFixtureBuffer('app/(group)/group/opengraph-image.png'),
+      readFixtureBuffer('app/(group)/group/twitter-image.png'),
+      readFixtureText('app/(group)/group/sitemap.xml'),
     ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-intercepting-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-intercepting-route.test.ts
index 2b0e97190f0c..4226da0d6dd7 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-intercepting-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-intercepting-route.test.ts
@@ -1,5 +1,9 @@
 import { nextTestSetup } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-intercepting-route', () => {
   if (process.env.__NEXT_CACHE_COMPONENTS) {
@@ -26,7 +30,6 @@ describe('metadata-files-static-output-intercepting-route', () => {
 
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -124,15 +127,13 @@ describe('metadata-files-static-output-intercepting-route', () => {
       actualTwitterImage,
       actualSitemap,
     ] = await Promise.all([
-      next.readFileBuffer('app/intercepting/(..)intercept-me/apple-icon.png'),
-      next.readFileBuffer('app/intercepting/(..)intercept-me/icon.png'),
-      next.readFileBuffer(
+      readFixtureBuffer('app/intercepting/(..)intercept-me/apple-icon.png'),
+      readFixtureBuffer('app/intercepting/(..)intercept-me/icon.png'),
+      readFixtureBuffer(
         'app/intercepting/(..)intercept-me/opengraph-image.png'
       ),
-      next.readFileBuffer(
-        'app/intercepting/(..)intercept-me/twitter-image.png'
-      ),
-      next.readFile('app/intercepting/(..)intercept-me/sitemap.xml'),
+      readFixtureBuffer('app/intercepting/(..)intercept-me/twitter-image.png'),
+      readFixtureText('app/intercepting/(..)intercept-me/sitemap.xml'),
     ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-parallel-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-parallel-route.test.ts
index 98cce40ed59f..56b039d4556e 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-parallel-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-parallel-route.test.ts
@@ -1,5 +1,9 @@
 import { nextTestSetup } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-parallel-route', () => {
   if (process.env.__NEXT_CACHE_COMPONENTS) {
@@ -26,7 +30,6 @@ describe('metadata-files-static-output-parallel-route', () => {
 
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -118,11 +121,11 @@ describe('metadata-files-static-output-parallel-route', () => {
       actualTwitterImage,
       actualSitemap,
     ] = await Promise.all([
-      next.readFileBuffer('app/parallel/@parallel/apple-icon.png'),
-      next.readFileBuffer('app/parallel/@parallel/icon.png'),
-      next.readFileBuffer('app/parallel/@parallel/opengraph-image.png'),
-      next.readFileBuffer('app/parallel/@parallel/twitter-image.png'),
-      next.readFile('app/parallel/@parallel/sitemap.xml'),
+      readFixtureBuffer('app/parallel/@parallel/apple-icon.png'),
+      readFixtureBuffer('app/parallel/@parallel/icon.png'),
+      readFixtureBuffer('app/parallel/@parallel/opengraph-image.png'),
+      readFixtureBuffer('app/parallel/@parallel/twitter-image.png'),
+      readFixtureText('app/parallel/@parallel/sitemap.xml'),
     ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-root-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-root-route.test.ts
index bba93eafb416..886c8b02d662 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-root-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-root-route.test.ts
@@ -1,5 +1,9 @@
 import { nextTestSetup } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-root-route', () => {
   if (process.env.__NEXT_CACHE_COMPONENTS) {
@@ -26,7 +30,6 @@ describe('metadata-files-static-output-root-route', () => {
 
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -69,10 +72,10 @@ describe('metadata-files-static-output-root-route', () => {
     // Compare response content with actual files
     const [actualFavicon, actualManifest, actualRobots, actualSitemap] =
       await Promise.all([
-        next.readFileBuffer('app/favicon.ico'),
-        next.readFile('app/manifest.json'),
-        next.readFile('app/robots.txt'),
-        next.readFile('app/sitemap.xml'),
+        readFixtureBuffer('app/favicon.ico'),
+        readFixtureText('app/manifest.json'),
+        readFixtureText('app/robots.txt'),
+        readFixtureText('app/sitemap.xml'),
       ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/metadata-static-file-static-route.test.ts b/test/e2e/app-dir/metadata-static-file/metadata-static-file-static-route.test.ts
index d94eceb23b25..85a47ef758fc 100644
--- a/test/e2e/app-dir/metadata-static-file/metadata-static-file-static-route.test.ts
+++ b/test/e2e/app-dir/metadata-static-file/metadata-static-file-static-route.test.ts
@@ -1,5 +1,9 @@
 import { nextTestSetup } from 'e2e-utils'
-import { getCommonMetadataHeadTags } from './utils'
+import {
+  getCommonMetadataHeadTags,
+  readFixtureBuffer,
+  readFixtureText,
+} from './utils'
 
 describe('metadata-files-static-output-static-route', () => {
   if (process.env.__NEXT_CACHE_COMPONENTS) {
@@ -26,7 +30,6 @@ describe('metadata-files-static-output-static-route', () => {
 
   const { next, skipped } = nextTestSetup({
     files: __dirname,
-    skipDeployment: true,
   })
 
   if (skipped) {
@@ -118,11 +121,11 @@ describe('metadata-files-static-output-static-route', () => {
       actualTwitterImage,
       actualSitemap,
     ] = await Promise.all([
-      next.readFileBuffer('app/static/apple-icon.png'),
-      next.readFileBuffer('app/static/icon.png'),
-      next.readFileBuffer('app/static/opengraph-image.png'),
-      next.readFileBuffer('app/static/twitter-image.png'),
-      next.readFile('app/static/sitemap.xml'),
+      readFixtureBuffer('app/static/apple-icon.png'),
+      readFixtureBuffer('app/static/icon.png'),
+      readFixtureBuffer('app/static/opengraph-image.png'),
+      readFixtureBuffer('app/static/twitter-image.png'),
+      readFixtureText('app/static/sitemap.xml'),
     ])
 
     expect({
diff --git a/test/e2e/app-dir/metadata-static-file/utils.ts b/test/e2e/app-dir/metadata-static-file/utils.ts
index 6ce4e738d393..432d5a99d053 100644
--- a/test/e2e/app-dir/metadata-static-file/utils.ts
+++ b/test/e2e/app-dir/metadata-static-file/utils.ts
@@ -1,6 +1,19 @@
 // @ts-nocheck - On isolated test, this will be a type error.
+import { promises as fs } from 'fs'
+import path from 'path'
 import type { Playwright } from '../../../lib/next-webdriver'
 
+// Fixture files live in this directory (`test/e2e/app-dir/metadata-static-file`),
+// so we read them from the repo on the test runner. Using `next.readFile` would
+// hit the deployed filesystem, which is not available in deploy test mode.
+export function readFixtureBuffer(relativePath: string) {
+  return fs.readFile(path.join(__dirname, relativePath))
+}
+
+export function readFixtureText(relativePath: string) {
+  return fs.readFile(path.join(__dirname, relativePath), 'utf8')
+}
+
 async function getMetadataLinks(browser: Playwright) {
   const links = await browser.locator('link').evaluateAll((elements: any[]) => {
     return elements
diff --git a/test/lib/next-modes/next-deploy.ts b/test/lib/next-modes/next-deploy.ts
index de7bdc3ce390..89b8ff158213 100644
--- a/test/lib/next-modes/next-deploy.ts
+++ b/test/lib/next-modes/next-deploy.ts
@@ -552,4 +552,10 @@ export class NextDeployInstance extends NextInstance {
   ): Promise<void> {
     throw new Error('renameFile is not available in deploy test mode')
   }
+  public async readFileBuffer(filename: string): Promise<Buffer> {
+    throw new Error('readFileBuffer is not available in deploy test mode')
+  }
+  public async writeFileBuffer(filename: string, data: Buffer): Promise<void> {
+    throw new Error('writeFileBuffer is not available in deploy test mode')
+  }
 }