diff --git a/crates/next-api/src/middleware.rs b/crates/next-api/src/middleware.rs
index ace2d5c0b9adc6..63304b4b9d3f47 100644
--- a/crates/next-api/src/middleware.rs
+++ b/crates/next-api/src/middleware.rs
@@ -42,31 +42,6 @@ use crate::{
     route::{Endpoint, EndpointOutput, EndpointOutputPaths},
 };
 
-/// Rust implementation of the TypeScript getDefaultMiddlewareMatcher function
-/// Generates default middleware matcher patterns that respect skipMiddlewareNextInternalRoutes
-fn get_default_middleware_matcher(
-    skip_middleware_next_internal_routes: Option<bool>,
-) -> MiddlewareMatcher {
-    let skip_internal = skip_middleware_next_internal_routes.unwrap_or(true);
-
-    if skip_internal {
-        // Skip "/_next/" internal routes, except for "/_next/data/" which is needed for
-        // client-side navigation. Do not consider basePath as the user cannot create a
-        // route starts with underscore.
-        MiddlewareMatcher {
-            regexp: Some(rcstr!("^(?!.*\\/\\_next\\/(?!data\\/)).*")),
-            original_source: rcstr!("/((?!_next/(?!data/))[^]*)*"),
-            ..Default::default()
-        }
-    } else {
-        MiddlewareMatcher {
-            regexp: Some(rcstr!("^/.*$")),
-            original_source: rcstr!("/:path*"),
-            ..Default::default()
-        }
-    }
-}
-
 #[turbo_tasks::value]
 pub struct MiddlewareEndpoint {
     project: ResolvedVc<Project>,
@@ -190,8 +165,6 @@ impl MiddlewareEndpoint {
             .map(|i18n| i18n.locales.len() > 1)
             .unwrap_or(false);
         let base_path = next_config.base_path().await?;
-        let skip_middleware_next_internal_routes =
-            next_config.skip_middleware_next_internal_routes().await?;
 
         let matchers = if let Some(matchers) = config.middleware_matcher.as_ref() {
             matchers
@@ -243,9 +216,11 @@ impl MiddlewareEndpoint {
                 })
                 .collect()
         } else {
-            vec![get_default_middleware_matcher(
-                *skip_middleware_next_internal_routes,
-            )]
+            vec![MiddlewareMatcher {
+                regexp: Some(rcstr!("^/.*$")),
+                original_source: rcstr!("/:path*"),
+                ..Default::default()
+            }]
         };
 
         if matches!(runtime, NextRuntime::NodeJs) {
diff --git a/crates/next-core/src/next_config.rs b/crates/next-core/src/next_config.rs
index b3b4bcffa6778d..3c41b2b02388cb 100644
--- a/crates/next-core/src/next_config.rs
+++ b/crates/next-core/src/next_config.rs
@@ -103,7 +103,6 @@ pub struct NextConfig {
     asset_prefix: Option<RcStr>,
     base_path: Option<RcStr>,
     skip_middleware_url_normalize: Option<bool>,
-    skip_middleware_next_internal_routes: Option<bool>,
     skip_trailing_slash_redirect: Option<bool>,
     i18n: Option<I18NConfig>,
     cross_origin: Option<CrossOriginConfig>,
@@ -1344,11 +1343,6 @@ impl NextConfig {
         Vc::cell(self.base_path.clone())
     }
 
-    #[turbo_tasks::function]
-    pub fn skip_middleware_next_internal_routes(&self) -> Vc<Option<bool>> {
-        Vc::cell(self.skip_middleware_next_internal_routes)
-    }
-
     #[turbo_tasks::function]
     pub fn cache_handler(&self, project_path: FileSystemPath) -> Result<Vc<OptionFileSystemPath>> {
         if let Some(handler) = &self.cache_handler {
diff --git a/packages/next/src/build/entries.ts b/packages/next/src/build/entries.ts
index c55eec3afe5ad2..db1356f92104e2 100644
--- a/packages/next/src/build/entries.ts
+++ b/packages/next/src/build/entries.ts
@@ -47,7 +47,6 @@ import {
   isInstrumentationHookFilename,
 } from './utils'
 import { getPageStaticInfo } from './analysis/get-page-static-info'
-import { getDefaultMiddlewareMatcher } from '../shared/lib/router/utils/get-default-middleware-matcher'
 import { normalizePathSep } from '../shared/lib/page-path/normalize-path-sep'
 import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path'
 import type { ServerRuntime } from '../types'
@@ -901,7 +900,7 @@ export async function createEntrypoints(
 
       if (isMiddlewareFile(page)) {
         middlewareMatchers = staticInfo.middleware?.matchers ?? [
-          getDefaultMiddlewareMatcher(params.config),
+          { regexp: '.*', originalSource: '/:path*' },
         ]
       }
 
diff --git a/packages/next/src/build/index.ts b/packages/next/src/build/index.ts
index f22b53f19ba72b..3987eddb8acdb7 100644
--- a/packages/next/src/build/index.ts
+++ b/packages/next/src/build/index.ts
@@ -151,7 +151,6 @@ import { isEdgeRuntime } from '../lib/is-edge-runtime'
 import { recursiveCopy } from '../lib/recursive-copy'
 import { lockfilePatchPromise, teardownTraceSubscriber } from './swc'
 import { getNamedRouteRegex } from '../shared/lib/router/utils/route-regex'
-import { getDefaultMiddlewareMatcher } from '../shared/lib/router/utils/get-default-middleware-matcher'
 import { getFilesInDir } from '../lib/get-files-in-dir'
 import { eventSwcPlugins } from '../telemetry/events/swc-plugins'
 import { normalizeAppPath } from '../shared/lib/router/utils/app-paths'
@@ -2585,7 +2584,10 @@ export default async function build(
           functionsConfigManifest.functions['/_middleware'] = {
             runtime: staticInfo.runtime,
             matchers: staticInfo.middleware?.matchers ?? [
-              getDefaultMiddlewareMatcher(config),
+              {
+                regexp: '^.*$',
+                originalSource: '/:path*',
+              },
             ],
           }
 
diff --git a/packages/next/src/build/webpack-config.ts b/packages/next/src/build/webpack-config.ts
index 09e65bdc933bd8..04b97894050939 100644
--- a/packages/next/src/build/webpack-config.ts
+++ b/packages/next/src/build/webpack-config.ts
@@ -2081,7 +2081,6 @@ export default async function getBaseWebpackConfig(
           dev,
           sriEnabled: !dev && !!config.experimental.sri?.algorithm,
           rewrites,
-          nextConfig: config,
           edgeEnvironments: {
             __NEXT_BUILD_ID: buildId,
             NEXT_SERVER_ACTIONS_ENCRYPTION_KEY: encryptionKey,
diff --git a/packages/next/src/build/webpack/plugins/middleware-plugin.ts b/packages/next/src/build/webpack/plugins/middleware-plugin.ts
index 1d78740f0e0b9c..3f36ac8b09026a 100644
--- a/packages/next/src/build/webpack/plugins/middleware-plugin.ts
+++ b/packages/next/src/build/webpack/plugins/middleware-plugin.ts
@@ -5,7 +5,6 @@ import type {
 import type { EdgeSSRMeta } from '../loaders/get-module-build-info'
 import type { MiddlewareMatcher } from '../../analysis/get-page-static-info'
 import { getNamedMiddlewareRegex } from '../../../shared/lib/router/utils/route-regex'
-import { getDefaultMiddlewareMatcher } from '../../../shared/lib/router/utils/get-default-middleware-matcher'
 import { getModuleBuildInfo } from '../loaders/get-module-build-info'
 import { getSortedRoutes } from '../../../shared/lib/router/utils'
 import { webpack, sources } from 'next/dist/compiled/webpack/webpack'
@@ -37,7 +36,6 @@ import type { CustomRoutes } from '../../../lib/load-custom-routes'
 import { isInterceptionRouteRewrite } from '../../../lib/generate-interception-routes-rewrites'
 import { getDynamicCodeEvaluationError } from './wellknown-errors-plugin/parse-dynamic-code-evaluation-error'
 import { getModuleReferencesInOrder } from '../utils'
-import type { NextConfigComplete } from '../../../server/config-shared'
 
 const KNOWN_SAFE_DYNAMIC_PACKAGES =
   require('../../../lib/known-edge-safe-packages.json') as string[]
@@ -197,29 +195,21 @@ function getCreateAssets(params: {
         continue
       }
 
-      let matchers: MiddlewareMatcher[]
-      if (metadata?.edgeMiddleware?.matchers) {
-        matchers = metadata.edgeMiddleware.matchers
-      } else {
-        // For middleware at root with no explicit matchers, use getDefaultMiddlewareMatcher
-        // which respects skipMiddlewareNextInternalRoutes config
-        const catchAll = !metadata.edgeSSR && !metadata.edgeApiFunction
-        if (page === '/' && catchAll) {
-          matchers = [getDefaultMiddlewareMatcher(opts.nextConfig)]
-        } else {
-          const matcherSource = metadata.edgeSSR?.isAppDir
-            ? normalizeAppPath(page)
-            : page
-          matchers = [
-            {
-              regexp: getNamedMiddlewareRegex(matcherSource, {
-                catchAll,
-              }).namedRegex,
-              originalSource: matcherSource,
-            },
-          ]
-        }
-      }
+      const matcherSource = metadata.edgeSSR?.isAppDir
+        ? normalizeAppPath(page)
+        : page
+
+      const catchAll = !metadata.edgeSSR && !metadata.edgeApiFunction
+
+      const { namedRegex } = getNamedMiddlewareRegex(matcherSource, {
+        catchAll,
+      })
+      const matchers = metadata?.edgeMiddleware?.matchers ?? [
+        {
+          regexp: namedRegex,
+          originalSource: page === '/' && catchAll ? '/:path*' : matcherSource,
+        },
+      ]
 
       const isEdgeFunction = !!(metadata.edgeApiFunction || metadata.edgeSSR)
       const edgeFunctionDefinition: EdgeFunctionDefinition = {
@@ -828,7 +818,6 @@ interface Options {
   sriEnabled: boolean
   rewrites: CustomRoutes['rewrites']
   edgeEnvironments: EdgeRuntimeEnvironments
-  nextConfig: NextConfigComplete
 }
 
 export default class MiddlewarePlugin {
@@ -836,20 +825,12 @@ export default class MiddlewarePlugin {
   private readonly sriEnabled: Options['sriEnabled']
   private readonly rewrites: Options['rewrites']
   private readonly edgeEnvironments: EdgeRuntimeEnvironments
-  private readonly nextConfig: Options['nextConfig']
-
-  constructor({
-    dev,
-    sriEnabled,
-    rewrites,
-    edgeEnvironments,
-    nextConfig,
-  }: Options) {
+
+  constructor({ dev, sriEnabled, rewrites, edgeEnvironments }: Options) {
     this.dev = dev
     this.sriEnabled = sriEnabled
     this.rewrites = rewrites
     this.edgeEnvironments = edgeEnvironments
-    this.nextConfig = nextConfig
   }
 
   public apply(compiler: webpack.Compiler) {
@@ -905,7 +886,6 @@ export default class MiddlewarePlugin {
             rewrites: this.rewrites,
             edgeEnvironments: this.edgeEnvironments,
             dev: this.dev,
-            nextConfig: this.nextConfig,
           },
         })
       )
diff --git a/packages/next/src/server/config-schema.ts b/packages/next/src/server/config-schema.ts
index 11b4736a0efcbd..a1bd2b7cee8640 100644
--- a/packages/next/src/server/config-schema.ts
+++ b/packages/next/src/server/config-schema.ts
@@ -669,7 +669,6 @@ export const configSchema: zod.ZodType<NextConfig> = z.lazy(() =>
       .optional(),
     serverExternalPackages: z.array(z.string()).optional(),
     skipMiddlewareUrlNormalize: z.boolean().optional(),
-    skipMiddlewareNextInternalRoutes: z.boolean().optional(),
     skipTrailingSlashRedirect: z.boolean().optional(),
     staticPageGenerationTimeout: z.number().optional(),
     expireTime: z.number().optional(),
diff --git a/packages/next/src/server/config-shared.ts b/packages/next/src/server/config-shared.ts
index 3e83a2854831ee..be8699e10486fd 100644
--- a/packages/next/src/server/config-shared.ts
+++ b/packages/next/src/server/config-shared.ts
@@ -1228,12 +1228,6 @@ export interface NextConfig {
 
   skipMiddlewareUrlNormalize?: boolean
 
-  /**
-   * Skip Next.js internals route `/_next` from middleware.
-   * @default true
-   */
-  skipMiddlewareNextInternalRoutes?: boolean
-
   skipTrailingSlashRedirect?: boolean
 
   modularizeImports?: Record<
@@ -1507,7 +1501,6 @@ export const defaultConfig = Object.freeze({
   },
   htmlLimitedBots: undefined,
   bundlePagesRouterDependencies: false,
-  skipMiddlewareNextInternalRoutes: true,
 } satisfies NextConfig)
 
 export async function normalizeConfig(phase: string, config: any) {
diff --git a/packages/next/src/server/lib/router-utils/filesystem.ts b/packages/next/src/server/lib/router-utils/filesystem.ts
index be19679c7878f7..cd276cd69eb58b 100644
--- a/packages/next/src/server/lib/router-utils/filesystem.ts
+++ b/packages/next/src/server/lib/router-utils/filesystem.ts
@@ -31,7 +31,6 @@ import { pathHasPrefix } from '../../../shared/lib/router/utils/path-has-prefix'
 import { normalizeLocalePath } from '../../../shared/lib/i18n/normalize-locale-path'
 import { removePathPrefix } from '../../../shared/lib/router/utils/remove-path-prefix'
 import { getMiddlewareRouteMatcher } from '../../../shared/lib/router/utils/middleware-route-matcher'
-import { getDefaultMiddlewareMatcher } from '../../../shared/lib/router/utils/get-default-middleware-matcher'
 import {
   APP_PATH_ROUTES_MANIFEST,
   BUILD_ID_FILE,
@@ -315,7 +314,7 @@ export async function setupFsCheck(opts: {
     } else if (functionsConfigManifest?.functions['/_middleware']) {
       middlewareMatcher = getMiddlewareRouteMatcher(
         functionsConfigManifest.functions['/_middleware'].matchers ?? [
-          getDefaultMiddlewareMatcher(opts.config),
+          { regexp: '.*', originalSource: '/:path*' },
         ]
       )
     }
diff --git a/packages/next/src/server/lib/router-utils/setup-dev-bundler.ts b/packages/next/src/server/lib/router-utils/setup-dev-bundler.ts
index f6eb2cd65079b8..0834e10d1a027d 100644
--- a/packages/next/src/server/lib/router-utils/setup-dev-bundler.ts
+++ b/packages/next/src/server/lib/router-utils/setup-dev-bundler.ts
@@ -48,7 +48,6 @@ import {
 } from '../../../shared/lib/constants'
 
 import { getMiddlewareRouteMatcher } from '../../../shared/lib/router/utils/middleware-route-matcher'
-import { getDefaultMiddlewareMatcher } from '../../../shared/lib/router/utils/get-default-middleware-matcher'
 
 import {
   isMiddlewareFile,
@@ -501,7 +500,7 @@ async function startWatcher(
             serverFields.actualMiddlewareFile
           )
           middlewareMatchers = staticInfo.middleware?.matchers || [
-            getDefaultMiddlewareMatcher(opts.nextConfig),
+            { regexp: '^/.*$', originalSource: '/:path*' },
           ]
           continue
         }
diff --git a/packages/next/src/server/next-server.ts b/packages/next/src/server/next-server.ts
index 2eb245e1c2223e..0d5b64e19f1ac4 100644
--- a/packages/next/src/server/next-server.ts
+++ b/packages/next/src/server/next-server.ts
@@ -71,7 +71,6 @@ import type { LoadComponentsReturnType } from './load-components'
 import isError, { getProperError } from '../lib/is-error'
 import { splitCookiesString, toNodeOutgoingHttpHeaders } from './web/utils'
 import { getMiddlewareRouteMatcher } from '../shared/lib/router/utils/middleware-route-matcher'
-import { getDefaultMiddlewareMatcher } from '../shared/lib/router/utils/get-default-middleware-matcher'
 import { loadEnvConfig } from '@next/env'
 import { urlQueryToSearchParams } from '../shared/lib/router/utils/querystring'
 import { removeTrailingSlash } from '../shared/lib/router/utils/remove-trailing-slash'
@@ -1456,13 +1455,13 @@ export default class NextNodeServer extends BaseServer<
       const middlewareModule = await this.loadNodeMiddleware()
 
       if (middlewareModule) {
-        const matchers = middlewareModule.config?.matchers || [
-          getDefaultMiddlewareMatcher(this.nextConfig),
-        ]
         return {
-          match: getMiddlewareRouteMatcher(matchers),
+          match: getMiddlewareRouteMatcher(
+            middlewareModule.config?.matchers || [
+              { regexp: '.*', originalSource: '/:path*' },
+            ]
+          ),
           page: '/',
-          matchers,
         }
       }
 
@@ -1472,7 +1471,6 @@ export default class NextNodeServer extends BaseServer<
     return {
       match: getMiddlewareMatcher(middleware),
       page: '/',
-      matchers: middleware.matchers,
     }
   }
 
diff --git a/packages/next/src/shared/lib/router/utils/get-default-middleware-matcher.ts b/packages/next/src/shared/lib/router/utils/get-default-middleware-matcher.ts
deleted file mode 100644
index 3d5c8830b0e27f..00000000000000
--- a/packages/next/src/shared/lib/router/utils/get-default-middleware-matcher.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import type { NextConfig } from '../../../../types'
-import type { MiddlewareMatcher } from '../../../../build/analysis/get-page-static-info'
-
-export function getDefaultMiddlewareMatcher({
-  skipMiddlewareNextInternalRoutes,
-}: NextConfig): MiddlewareMatcher {
-  if (skipMiddlewareNextInternalRoutes !== false) {
-    // Skip "/_next/" internal routes, except for "/_next/data/" which is needed for
-    // client-side navigation. Do not consider basePath as the user cannot create a
-    // route starts with underscore.
-    return {
-      regexp: '^(?!.*\\/\\_next\\/(?!data\\/)).*',
-      originalSource: '/((?!_next/(?!data/))[^]*)*',
-    }
-  }
-
-  return {
-    regexp: '^/.*$',
-    originalSource: '/:path*',
-  }
-}
diff --git a/test/e2e/middleware-general/test/index.test.ts b/test/e2e/middleware-general/test/index.test.ts
index 3285390b43ca2c..0d616d10b5132d 100644
--- a/test/e2e/middleware-general/test/index.test.ts
+++ b/test/e2e/middleware-general/test/index.test.ts
@@ -39,8 +39,6 @@ describe('Middleware Runtime', () => {
           ),
         },
         nextConfig: {
-          // This test needs to intercept internal routes /_next/ (skipped by default)
-          skipMiddlewareNextInternalRoutes: false,
           experimental: {
             webpackBuildWorker: true,
           },
@@ -129,7 +127,7 @@ describe('Middleware Runtime', () => {
             runtime: 'nodejs',
             matchers: [
               {
-                regexp: '^/.*$',
+                regexp: '^.*$',
                 originalSource: '/:path*',
               },
             ],
diff --git a/test/e2e/middleware-skip-next-internal-routes-base-path/app/layout.tsx b/test/e2e/middleware-skip-next-internal-routes-base-path/app/layout.tsx
deleted file mode 100644
index 08eaa94fdc8896..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-base-path/app/layout.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-export default function RootLayout({
-  children,
-}: {
-  children: React.ReactNode
-}) {
-  return (
-    <html>
-      <body>{children}</body>
-    </html>
-  )
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-base-path/app/page.tsx b/test/e2e/middleware-skip-next-internal-routes-base-path/app/page.tsx
deleted file mode 100644
index ff7159d9149fee..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-base-path/app/page.tsx
+++ /dev/null
@@ -1,3 +0,0 @@
-export default function Page() {
-  return <p>hello world</p>
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-base-path/middleware-skip-next-internal-routes-base-path.test.ts b/test/e2e/middleware-skip-next-internal-routes-base-path/middleware-skip-next-internal-routes-base-path.test.ts
deleted file mode 100644
index 2fb46031a98bf1..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-base-path/middleware-skip-next-internal-routes-base-path.test.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { nextTestSetup } from 'e2e-utils'
-
-describe('middleware skip Next.js internal routes with base path', () => {
-  const { next } = nextTestSetup({
-    files: __dirname,
-  })
-
-  it('should execute middleware on regular routes', async () => {
-    const res = await next.fetch('/base')
-    expect(res.status).toBe(200)
-    expect(res.headers.get('x-middleware-executed')).toBe('true')
-  })
-
-  it('should NOT execute middleware on _next routes', async () => {
-    const res = await next.fetch('/base/_next/static/chunks/webpack.js')
-    expect(res.headers.get('x-middleware-executed')).toBeFalsy()
-  })
-})
diff --git a/test/e2e/middleware-skip-next-internal-routes-base-path/middleware.ts b/test/e2e/middleware-skip-next-internal-routes-base-path/middleware.ts
deleted file mode 100644
index 97426e940d1f77..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-base-path/middleware.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { NextResponse } from 'next/server'
-
-export function middleware() {
-  const response = NextResponse.next()
-  response.headers.set('x-middleware-executed', 'true')
-  return response
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-base-path/next.config.js b/test/e2e/middleware-skip-next-internal-routes-base-path/next.config.js
deleted file mode 100644
index fa1d25f445b248..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-base-path/next.config.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {
-  basePath: '/base',
-}
-
-module.exports = nextConfig
diff --git a/test/e2e/middleware-skip-next-internal-routes-opt-out/app/layout.tsx b/test/e2e/middleware-skip-next-internal-routes-opt-out/app/layout.tsx
deleted file mode 100644
index 08eaa94fdc8896..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-opt-out/app/layout.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-export default function RootLayout({
-  children,
-}: {
-  children: React.ReactNode
-}) {
-  return (
-    <html>
-      <body>{children}</body>
-    </html>
-  )
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-opt-out/app/page.tsx b/test/e2e/middleware-skip-next-internal-routes-opt-out/app/page.tsx
deleted file mode 100644
index ff7159d9149fee..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-opt-out/app/page.tsx
+++ /dev/null
@@ -1,3 +0,0 @@
-export default function Page() {
-  return <p>hello world</p>
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware-skip-next-internal-routes-opt-out.test.ts b/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware-skip-next-internal-routes-opt-out.test.ts
deleted file mode 100644
index 9e4f81c5117423..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware-skip-next-internal-routes-opt-out.test.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { nextTestSetup } from 'e2e-utils'
-
-describe('middleware skip Next.js internal routes (opt-out)', () => {
-  const { next } = nextTestSetup({
-    files: __dirname,
-  })
-
-  it('should execute middleware on regular routes', async () => {
-    const res = await next.fetch('/')
-    expect(res.status).toBe(200)
-    expect(res.headers.get('x-middleware-executed')).toBe('true')
-  })
-
-  it('should ALSO execute middleware on _next routes when opted out', async () => {
-    const res = await next.fetch('/_next/static/chunks/webpack.js')
-    expect(res.headers.get('x-middleware-executed')).toBe('true')
-  })
-})
diff --git a/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware.ts b/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware.ts
deleted file mode 100644
index 97426e940d1f77..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-opt-out/middleware.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { NextResponse } from 'next/server'
-
-export function middleware() {
-  const response = NextResponse.next()
-  response.headers.set('x-middleware-executed', 'true')
-  return response
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes-opt-out/next.config.js b/test/e2e/middleware-skip-next-internal-routes-opt-out/next.config.js
deleted file mode 100644
index a590bd7b5ce14b..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes-opt-out/next.config.js
+++ /dev/null
@@ -1,6 +0,0 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {
-  skipMiddlewareNextInternalRoutes: false,
-}
-
-module.exports = nextConfig
diff --git a/test/e2e/middleware-skip-next-internal-routes/app/layout.tsx b/test/e2e/middleware-skip-next-internal-routes/app/layout.tsx
deleted file mode 100644
index 08eaa94fdc8896..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes/app/layout.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-export default function RootLayout({
-  children,
-}: {
-  children: React.ReactNode
-}) {
-  return (
-    <html>
-      <body>{children}</body>
-    </html>
-  )
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes/app/page.tsx b/test/e2e/middleware-skip-next-internal-routes/app/page.tsx
deleted file mode 100644
index ff7159d9149fee..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes/app/page.tsx
+++ /dev/null
@@ -1,3 +0,0 @@
-export default function Page() {
-  return <p>hello world</p>
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes/middleware-skip-next-internal-routes.test.ts b/test/e2e/middleware-skip-next-internal-routes/middleware-skip-next-internal-routes.test.ts
deleted file mode 100644
index 9fa90820d5759c..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes/middleware-skip-next-internal-routes.test.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { nextTestSetup } from 'e2e-utils'
-
-describe('middleware skip Next.js internal routes', () => {
-  const { next } = nextTestSetup({
-    files: __dirname,
-  })
-
-  it('should execute middleware on regular routes', async () => {
-    const res = await next.fetch('/')
-    expect(res.status).toBe(200)
-    expect(res.headers.get('x-middleware-executed')).toBe('true')
-  })
-
-  it('should NOT execute middleware on _next routes', async () => {
-    const res = await next.fetch('/_next/static/chunks/webpack.js')
-    expect(res.headers.get('x-middleware-executed')).toBeFalsy()
-  })
-})
diff --git a/test/e2e/middleware-skip-next-internal-routes/middleware.ts b/test/e2e/middleware-skip-next-internal-routes/middleware.ts
deleted file mode 100644
index 97426e940d1f77..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes/middleware.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { NextResponse } from 'next/server'
-
-export function middleware() {
-  const response = NextResponse.next()
-  response.headers.set('x-middleware-executed', 'true')
-  return response
-}
diff --git a/test/e2e/middleware-skip-next-internal-routes/next.config.js b/test/e2e/middleware-skip-next-internal-routes/next.config.js
deleted file mode 100644
index 767719fc4fba59..00000000000000
--- a/test/e2e/middleware-skip-next-internal-routes/next.config.js
+++ /dev/null
@@ -1,4 +0,0 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {}
-
-module.exports = nextConfig
diff --git a/test/e2e/middleware-trailing-slash/app/next.config.js b/test/e2e/middleware-trailing-slash/app/next.config.js
index 7bbcc25aa2ac67..0c482151c3a261 100644
--- a/test/e2e/middleware-trailing-slash/app/next.config.js
+++ b/test/e2e/middleware-trailing-slash/app/next.config.js
@@ -1,6 +1,4 @@
 module.exports = {
-  // This test needs to intercept internal routes /_next/ (skipped by default)
-  skipMiddlewareNextInternalRoutes: false,
   trailingSlash: true,
   redirects() {
     return [
diff --git a/test/e2e/skip-trailing-slash-redirect/app/next.config.js b/test/e2e/skip-trailing-slash-redirect/app/next.config.js
index ec8f1f73a1db3f..5b0be24a8af11d 100644
--- a/test/e2e/skip-trailing-slash-redirect/app/next.config.js
+++ b/test/e2e/skip-trailing-slash-redirect/app/next.config.js
@@ -1,7 +1,5 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
-  // This test needs to intercept internal routes /_next/ (skipped by default)
-  skipMiddlewareNextInternalRoutes: false,
   skipMiddlewareUrlNormalize: true,
   skipTrailingSlashRedirect: true,
   experimental: {
diff --git a/test/integration/next-image-new/middleware/next.config.js b/test/integration/next-image-new/middleware/next.config.js
deleted file mode 100644
index 613d90fa882e77..00000000000000
--- a/test/integration/next-image-new/middleware/next.config.js
+++ /dev/null
@@ -1,4 +0,0 @@
-module.exports = {
-  // This test needs to intercept internal routes /_next/ (skipped by default)
-  skipMiddlewareNextInternalRoutes: false,
-}