diff --git a/code/core/src/common/versions.ts b/code/core/src/common/versions.ts
index 8385a1335d15..2c37803f16ac 100644
--- a/code/core/src/common/versions.ts
+++ b/code/core/src/common/versions.ts
@@ -33,8 +33,6 @@ export default {
   'eslint-plugin-storybook': '10.4.0-alpha.10',
   '@storybook/react-dom-shim': '10.4.0-alpha.10',
   '@storybook/preset-create-react-app': '10.4.0-alpha.10',
-  '@storybook/preset-react-webpack': '10.4.0-alpha.10',
-  '@storybook/preset-server-webpack': '10.4.0-alpha.10',
   '@storybook/html': '10.4.0-alpha.10',
   '@storybook/preact': '10.4.0-alpha.10',
   '@storybook/react': '10.4.0-alpha.10',
diff --git a/code/frameworks/nextjs/package.json b/code/frameworks/nextjs/package.json
index e696e70a7838..6374026e2bfe 100644
--- a/code/frameworks/nextjs/package.json
+++ b/code/frameworks/nextjs/package.json
@@ -103,8 +103,8 @@
     "@babel/runtime": "^7.28.4",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.11",
     "@storybook/builder-webpack5": "workspace:*",
-    "@storybook/preset-react-webpack": "workspace:*",
     "@storybook/react": "workspace:*",
+    "@storybook/react-webpack5": "workspace:*",
     "@types/semver": "^7.7.1",
     "babel-loader": "^9.1.3",
     "css-loader": "^6.7.3",
diff --git a/code/frameworks/nextjs/src/preset.ts b/code/frameworks/nextjs/src/preset.ts
index 5be71914c778..e57420551995 100644
--- a/code/frameworks/nextjs/src/preset.ts
+++ b/code/frameworks/nextjs/src/preset.ts
@@ -18,7 +18,7 @@ import type { FrameworkOptions, StorybookConfig } from './types.ts';
 import { isNextVersionGte } from './utils.ts';
 
 export const addons: PresetProperty<'addons'> = [
-  fileURLToPath(import.meta.resolve('@storybook/preset-react-webpack')),
+  fileURLToPath(import.meta.resolve('@storybook/react-webpack5/preset')),
 ];
 
 export const core: PresetProperty<'core'> = async (config, options) => {
diff --git a/code/frameworks/nextjs/src/types.ts b/code/frameworks/nextjs/src/types.ts
index 03dea988205b..23c46237ba05 100644
--- a/code/frameworks/nextjs/src/types.ts
+++ b/code/frameworks/nextjs/src/types.ts
@@ -9,7 +9,7 @@ import type {
   ReactOptions,
   StorybookConfig as StorybookConfigBase,
   TypescriptOptions as TypescriptOptionsReact,
-} from '@storybook/preset-react-webpack';
+} from '@storybook/react-webpack5';
 
 import type * as NextImage from 'next/image';
 import type { NextRouter } from 'next/router';
diff --git a/code/frameworks/react-vite/src/plugins/docgen-resolver.ts b/code/frameworks/react-vite/src/plugins/docgen-resolver.ts
index cd17a5d62c4f..f99ca26d4995 100644
--- a/code/frameworks/react-vite/src/plugins/docgen-resolver.ts
+++ b/code/frameworks/react-vite/src/plugins/docgen-resolver.ts
@@ -14,7 +14,7 @@ export class ReactDocgenResolveError extends Error {
 /* The below code was copied from:
  * https://github.com/reactjs/react-docgen/blob/df2daa8b6f0af693ecc3c4dc49f2246f60552bcb/packages/react-docgen/src/importer/makeFsImporter.ts#L14-L63
  * because it wasn't exported from the react-docgen package.
- * watch out: when updating this code, also update the code in code/presets/react-webpack/src/loaders/docgen-resolver.ts
+ * watch out: when updating this code, also update the code in code/frameworks/react-webpack5/src/loaders/docgen-resolver.ts
  */
 
 // These extensions are sorted by priority
diff --git a/code/frameworks/react-webpack5/build-config.ts b/code/frameworks/react-webpack5/build-config.ts
index 314dd9463b7f..3f16d43c252b 100644
--- a/code/frameworks/react-webpack5/build-config.ts
+++ b/code/frameworks/react-webpack5/build-config.ts
@@ -14,6 +14,21 @@ const config: BuildEntries = {
         entryPoint: './src/preset.ts',
         dts: false,
       },
+      {
+        exportEntries: ['./preset-cra'],
+        entryPoint: './src/preset-cra.ts',
+        dts: false,
+      },
+      {
+        exportEntries: ['./preset-react-docs'],
+        entryPoint: './src/preset-react-docs.ts',
+        dts: false,
+      },
+      {
+        exportEntries: ['./react-docgen-loader'],
+        entryPoint: './src/loaders/react-docgen-loader.ts',
+        dts: false,
+      },
       {
         exportEntries: ['./node'],
         entryPoint: './src/node/index.ts',
diff --git a/code/frameworks/react-webpack5/package.json b/code/frameworks/react-webpack5/package.json
index 7710fdffc5aa..2d272ba9a185 100644
--- a/code/frameworks/react-webpack5/package.json
+++ b/code/frameworks/react-webpack5/package.json
@@ -37,7 +37,10 @@
       "default": "./dist/node/index.js"
     },
     "./package.json": "./package.json",
-    "./preset": "./dist/preset.js"
+    "./preset": "./dist/preset.js",
+    "./preset-cra": "./dist/preset-cra.js",
+    "./preset-react-docs": "./dist/preset-react-docs.js",
+    "./react-docgen-loader": "./dist/loaders/react-docgen-loader.js"
   },
   "files": [
     "dist/**/*",
@@ -49,8 +52,17 @@
   ],
   "dependencies": {
     "@storybook/builder-webpack5": "workspace:*",
-    "@storybook/preset-react-webpack": "workspace:*",
-    "@storybook/react": "workspace:*"
+    "@storybook/core-webpack": "workspace:*",
+    "@storybook/react": "workspace:*",
+    "@storybook/react-docgen-typescript-plugin": "1.0.6--canary.9.0c3f3b7.0",
+    "@types/semver": "^7.7.1",
+    "empathic": "^2.0.0",
+    "magic-string": "^0.30.5",
+    "react-docgen": "^7.1.1",
+    "resolve": "^1.22.8",
+    "semver": "^7.7.3",
+    "tsconfig-paths": "^4.2.0",
+    "webpack": "5"
   },
   "devDependencies": {
     "@types/node": "^22.19.1"
diff --git a/code/presets/react-webpack/src/cra-config.test.ts b/code/frameworks/react-webpack5/src/cra-config.test.ts
similarity index 91%
rename from code/presets/react-webpack/src/cra-config.test.ts
rename to code/frameworks/react-webpack5/src/cra-config.test.ts
index ffed31ca2ec3..03343c441ecc 100644
--- a/code/presets/react-webpack/src/cra-config.test.ts
+++ b/code/frameworks/react-webpack5/src/cra-config.test.ts
@@ -1,11 +1,11 @@
-import fs from 'node:fs';
+import * as fs from 'node:fs';
 import { join, sep } from 'node:path';
 
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import { getReactScriptsPath } from './cra-config.ts';
 
-vi.mock('fs', () => ({
+vi.mock('node:fs', () => ({
   realpathSync: vi.fn(() => '/test-project'),
   readFileSync: vi.fn(),
   existsSync: vi.fn(() => true),
@@ -44,8 +44,6 @@ describe('cra-config', () => {
 
   describe('when used with a custom react-scripts package without symlinks in .bin folder', () => {
     beforeEach(() => {
-      // In case of .bin/react-scripts is not symlink (like it happens on Windows),
-      // realpathSync() method does not translate the path.
       vi.mocked(fs.realpathSync).mockImplementationOnce((filePath) => filePath.toString());
 
       vi.mocked(fs.readFileSync).mockImplementationOnce(
diff --git a/code/presets/react-webpack/src/cra-config.ts b/code/frameworks/react-webpack5/src/cra-config.ts
similarity index 100%
rename from code/presets/react-webpack/src/cra-config.ts
rename to code/frameworks/react-webpack5/src/cra-config.ts
diff --git a/code/frameworks/react-webpack5/src/loaders/docgen-resolver.ts b/code/frameworks/react-webpack5/src/loaders/docgen-resolver.ts
new file mode 100644
index 000000000000..d89b36685168
--- /dev/null
+++ b/code/frameworks/react-webpack5/src/loaders/docgen-resolver.ts
@@ -0,0 +1,67 @@
+import { extname } from 'node:path';
+
+import resolve from 'resolve';
+
+export class ReactDocgenResolveError extends Error {
+  readonly code = 'MODULE_NOT_FOUND';
+
+  constructor(filename: string) {
+    super(`'${filename}' was ignored by react-docgen.`);
+  }
+}
+
+// These extensions are sorted by priority.
+export const RESOLVE_EXTENSIONS = [
+  '.js',
+  '.cts',
+  '.mts',
+  '.ctsx',
+  '.mtsx',
+  '.ts',
+  '.tsx',
+  '.mjs',
+  '.cjs',
+  '.mts',
+  '.cts',
+  '.jsx',
+];
+
+export function defaultLookupModule(filename: string, basedir: string): string {
+  const resolveOptions = {
+    basedir,
+    extensions: RESOLVE_EXTENSIONS,
+    includeCoreModules: false,
+  };
+
+  try {
+    return resolve.sync(filename, resolveOptions);
+  } catch (error) {
+    const ext = extname(filename);
+    let newFilename: string;
+
+    switch (ext) {
+      case '.js':
+      case '.mjs':
+      case '.cjs': {
+        const base = filename.slice(0, -2);
+        try {
+          return resolve.sync(`${base}ts`, { ...resolveOptions, extensions: [] });
+        } catch {
+          newFilename = `${base}tsx`;
+        }
+        break;
+      }
+
+      case '.jsx':
+        newFilename = `${filename.slice(0, -3)}tsx`;
+        break;
+      default:
+        throw error;
+    }
+
+    return resolve.sync(newFilename, {
+      ...resolveOptions,
+      extensions: [],
+    });
+  }
+}
diff --git a/code/presets/react-webpack/src/loaders/react-docgen-loader.test.ts b/code/frameworks/react-webpack5/src/loaders/react-docgen-loader.test.ts
similarity index 87%
rename from code/presets/react-webpack/src/loaders/react-docgen-loader.test.ts
rename to code/frameworks/react-webpack5/src/loaders/react-docgen-loader.test.ts
index c0ed2b3ec36a..5e197cedffc4 100644
--- a/code/presets/react-webpack/src/loaders/react-docgen-loader.test.ts
+++ b/code/frameworks/react-webpack5/src/loaders/react-docgen-loader.test.ts
@@ -14,8 +14,8 @@ const reactDocgenResolverMock = vi.hoisted(() => {
   };
 });
 
-vi.mock('./docgen-resolver', async (importOriginal) => {
-  const actual = await importOriginal<typeof import('path')>();
+vi.mock('./docgen-resolver.ts', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('./docgen-resolver.ts')>();
   return {
     ...actual,
     defaultLookupModule: reactDocgenResolverMock.defaultLookupModule,
@@ -23,7 +23,7 @@ vi.mock('./docgen-resolver', async (importOriginal) => {
 });
 
 vi.mock('react-docgen', async (importOriginal) => {
-  const actual = await importOriginal<typeof import('path')>();
+  const actual = await importOriginal<typeof import('react-docgen')>();
   return {
     ...actual,
     makeFsImporter: reactDocgenMock.makeFsImporter,
diff --git a/code/presets/react-webpack/src/loaders/react-docgen-loader.ts b/code/frameworks/react-webpack5/src/loaders/react-docgen-loader.ts
similarity index 99%
rename from code/presets/react-webpack/src/loaders/react-docgen-loader.ts
rename to code/frameworks/react-webpack5/src/loaders/react-docgen-loader.ts
index cbc1a22e5145..d20baaeb2693 100644
--- a/code/presets/react-webpack/src/loaders/react-docgen-loader.ts
+++ b/code/frameworks/react-webpack5/src/loaders/react-docgen-loader.ts
@@ -56,7 +56,6 @@ const actualNameHandler: Handler = function actualNameHandler(documentation, com
 
       currentPath = currentPath.parentPath;
     }
-    // Could not find an actual name
     documentation.set('actualName', '');
   }
 };
@@ -76,7 +75,6 @@ export default async function reactDocgenLoader(
   map: any
 ) {
   const callback = this.async();
-  // get options
   const options = this.getOptions() || {};
   const { debug = false } = options;
 
diff --git a/code/presets/react-webpack/src/framework-preset-cra.ts b/code/frameworks/react-webpack5/src/preset-cra.ts
similarity index 100%
rename from code/presets/react-webpack/src/framework-preset-cra.ts
rename to code/frameworks/react-webpack5/src/preset-cra.ts
diff --git a/code/presets/react-webpack/src/framework-preset-react-docs.ts b/code/frameworks/react-webpack5/src/preset-react-docs.ts
similarity index 86%
rename from code/presets/react-webpack/src/framework-preset-react-docs.ts
rename to code/frameworks/react-webpack5/src/preset-react-docs.ts
index cffac3b53db8..37c68dc7e01a 100644
--- a/code/presets/react-webpack/src/framework-preset-react-docs.ts
+++ b/code/frameworks/react-webpack5/src/preset-react-docs.ts
@@ -28,7 +28,7 @@ export const webpackFinal: StorybookConfig['webpackFinal'] = async (
             test: /\.(cjs|mjs|tsx?|jsx?)$/,
             enforce: 'pre',
             loader: fileURLToPath(
-              import.meta.resolve('@storybook/preset-react-webpack/react-docgen-loader')
+              import.meta.resolve('@storybook/react-webpack5/react-docgen-loader')
             ),
             options: {
               debug,
@@ -52,7 +52,7 @@ export const webpackFinal: StorybookConfig['webpackFinal'] = async (
           test: /\.(cjs|mjs|jsx?)$/,
           enforce: 'pre',
           loader: fileURLToPath(
-            import.meta.resolve('@storybook/preset-react-webpack/react-docgen-loader')
+            import.meta.resolve('@storybook/react-webpack5/react-docgen-loader')
           ),
           options: {
             debug,
@@ -65,7 +65,6 @@ export const webpackFinal: StorybookConfig['webpackFinal'] = async (
       ...(config.plugins || []),
       new ReactDocgenTypeScriptPlugin({
         ...reactDocgenTypescriptOptions,
-        // We *need* this set so that RDT returns default values in the same format as react-docgen
         savePropValueAsString: true,
       }),
     ],
diff --git a/code/frameworks/react-webpack5/src/preset.ts b/code/frameworks/react-webpack5/src/preset.ts
index 4b9182aa5d03..ede46116389c 100644
--- a/code/frameworks/react-webpack5/src/preset.ts
+++ b/code/frameworks/react-webpack5/src/preset.ts
@@ -7,7 +7,8 @@ import { WebpackDefinePlugin } from '@storybook/builder-webpack5';
 import type { StorybookConfig } from './types.ts';
 
 export const addons: PresetProperty<'addons'> = [
-  fileURLToPath(import.meta.resolve('@storybook/preset-react-webpack')),
+  fileURLToPath(import.meta.resolve('@storybook/react-webpack5/preset-cra')),
+  fileURLToPath(import.meta.resolve('@storybook/react-webpack5/preset-react-docs')),
 ];
 
 export const core: PresetProperty<'core'> = {
diff --git a/code/frameworks/react-webpack5/src/types.ts b/code/frameworks/react-webpack5/src/types.ts
index 6366ca3cd857..7b4910182b6c 100644
--- a/code/frameworks/react-webpack5/src/types.ts
+++ b/code/frameworks/react-webpack5/src/types.ts
@@ -2,14 +2,52 @@ import type { CompatibleString } from 'storybook/internal/types';
 
 import type {
   BuilderOptions,
-  StorybookConfigWebpack,
   TypescriptOptions as TypescriptOptionsBuilder,
+  StorybookConfigWebpack,
 } from '@storybook/builder-webpack5';
 import type {
-  ReactOptions,
   StorybookConfig as StorybookConfigBase,
-  TypescriptOptions as TypescriptOptionsReact,
-} from '@storybook/preset-react-webpack';
+  TypescriptOptions as TypescriptOptionsBase,
+  WebpackConfiguration as WebpackConfigurationBase,
+} from '@storybook/core-webpack';
+import type { PluginOptions as ReactDocgenTypescriptOptions } from '@storybook/react-docgen-typescript-plugin';
+
+export type { BuilderResult } from '@storybook/core-webpack';
+
+export interface ReactOptions {
+  strictMode?: boolean;
+  /**
+   * Use React's legacy root API to mount components
+   *
+   * React has introduced a new root API with React 18.x to enable a whole set of new features (e.g.
+   * concurrent features) If this flag is true, the legacy Root API is used to mount components to
+   * make it easier to migrate step by step to React 18.
+   *
+   * @default false
+   */
+  legacyRootApi?: boolean;
+}
+
+export type TypescriptOptions = TypescriptOptionsBase & {
+  /**
+   * Sets the type of Docgen when working with React and TypeScript
+   *
+   * @default `'react-docgen'`
+   */
+  reactDocgen: 'react-docgen-typescript' | 'react-docgen' | false;
+  /**
+   * Configures `react-docgen-typescript-plugin`
+   *
+   * @default
+   * @see https://github.com/storybookjs/storybook/blob/next/code/builders/builder-webpack5/src/config/defaults.js#L4-L6
+   */
+  reactDocgenTypescriptOptions: ReactDocgenTypescriptOptions;
+};
+
+type StorybookConfigBaseWithTypes<TWebpackConfiguration = WebpackConfigurationBase> =
+  StorybookConfigBase<TWebpackConfiguration> & {
+    typescript?: Partial<TypescriptOptions>;
+  };
 
 type FrameworkName = CompatibleString<'@storybook/react-webpack5'>;
 type BuilderName = CompatibleString<'@storybook/builder-webpack5'>;
@@ -25,7 +63,7 @@ type StorybookConfigFramework = {
         name: FrameworkName;
         options: FrameworkOptions;
       };
-  core?: StorybookConfigBase['core'] & {
+  core?: StorybookConfigBaseWithTypes['core'] & {
     builder?:
       | BuilderName
       | {
@@ -33,13 +71,13 @@ type StorybookConfigFramework = {
           options: BuilderOptions;
         };
   };
-  typescript?: Partial<TypescriptOptionsBuilder & TypescriptOptionsReact> &
-    StorybookConfigBase['typescript'];
+  typescript?: Partial<TypescriptOptionsBuilder & TypescriptOptions> &
+    StorybookConfigBaseWithTypes['typescript'];
 };
 
 /** The interface for Storybook configuration in `main.ts` files. */
 export type StorybookConfig = Omit<
-  StorybookConfigBase,
+  StorybookConfigBaseWithTypes,
   keyof StorybookConfigWebpack | keyof StorybookConfigFramework
 > &
   StorybookConfigWebpack &
diff --git a/code/frameworks/server-webpack5/build-config.ts b/code/frameworks/server-webpack5/build-config.ts
index 314dd9463b7f..9e1d8924cd06 100644
--- a/code/frameworks/server-webpack5/build-config.ts
+++ b/code/frameworks/server-webpack5/build-config.ts
@@ -14,6 +14,11 @@ const config: BuildEntries = {
         entryPoint: './src/preset.ts',
         dts: false,
       },
+      {
+        exportEntries: ['./loader'],
+        entryPoint: './src/loader.ts',
+        dts: false,
+      },
       {
         exportEntries: ['./node'],
         entryPoint: './src/node/index.ts',
diff --git a/code/frameworks/server-webpack5/package.json b/code/frameworks/server-webpack5/package.json
index 29976d11b995..b97f7f14ecd3 100644
--- a/code/frameworks/server-webpack5/package.json
+++ b/code/frameworks/server-webpack5/package.json
@@ -29,6 +29,7 @@
       "code": "./src/index.ts",
       "default": "./dist/index.js"
     },
+    "./loader": "./dist/loader.js",
     "./node": {
       "types": "./dist/node/index.d.ts",
       "code": "./src/node/index.ts",
@@ -47,8 +48,11 @@
   ],
   "dependencies": {
     "@storybook/builder-webpack5": "workspace:*",
-    "@storybook/preset-server-webpack": "workspace:*",
-    "@storybook/server": "workspace:*"
+    "@storybook/core-webpack": "workspace:*",
+    "@storybook/server": "workspace:*",
+    "safe-identifier": "^0.4.2",
+    "ts-dedent": "^2.0.0",
+    "yaml-loader": "^0.8.1"
   },
   "devDependencies": {
     "@types/node": "^22.19.1",
diff --git a/code/presets/server-webpack/src/lib/compiler/index.ts b/code/frameworks/server-webpack5/src/lib/compiler/index.ts
similarity index 100%
rename from code/presets/server-webpack/src/lib/compiler/index.ts
rename to code/frameworks/server-webpack5/src/lib/compiler/index.ts
diff --git a/code/presets/server-webpack/src/lib/compiler/stringifier.ts b/code/frameworks/server-webpack5/src/lib/compiler/stringifier.ts
similarity index 100%
rename from code/presets/server-webpack/src/lib/compiler/stringifier.ts
rename to code/frameworks/server-webpack5/src/lib/compiler/stringifier.ts
diff --git a/code/presets/server-webpack/src/lib/compiler/types.ts b/code/frameworks/server-webpack5/src/lib/compiler/types.ts
similarity index 100%
rename from code/presets/server-webpack/src/lib/compiler/types.ts
rename to code/frameworks/server-webpack5/src/lib/compiler/types.ts
diff --git a/code/presets/server-webpack/src/loader.ts b/code/frameworks/server-webpack5/src/loader.ts
similarity index 64%
rename from code/presets/server-webpack/src/loader.ts
rename to code/frameworks/server-webpack5/src/loader.ts
index a620d037e666..ddb682520490 100644
--- a/code/presets/server-webpack/src/loader.ts
+++ b/code/frameworks/server-webpack5/src/loader.ts
@@ -2,10 +2,8 @@ import { compileCsfModule } from './lib/compiler/index.ts';
 
 export default (content: string) => {
   try {
-    const after = compileCsfModule(JSON.parse(content));
-    return after;
+    return compileCsfModule(JSON.parse(content));
   } catch (e) {
-    // for debugging
     console.log(content, e);
   }
   return content;
diff --git a/code/frameworks/server-webpack5/src/preset.ts b/code/frameworks/server-webpack5/src/preset.ts
index c33d16bea137..80a18ffb5367 100644
--- a/code/frameworks/server-webpack5/src/preset.ts
+++ b/code/frameworks/server-webpack5/src/preset.ts
@@ -1,10 +1,38 @@
+import { fileURLToPath } from 'node:url';
+
 import type { PresetProperty } from 'storybook/internal/types';
 
-export const addons: PresetProperty<'addons'> = [
-  import.meta.resolve('@storybook/preset-server-webpack'),
-];
+import type { StorybookConfig } from './types.ts';
 
 export const core: PresetProperty<'core'> = {
   builder: import.meta.resolve('@storybook/builder-webpack5'),
   renderer: import.meta.resolve('@storybook/server/preset'),
 };
+
+export const webpack: StorybookConfig['webpack'] = (config) => {
+  const rules = [
+    ...(config.module?.rules || []),
+    {
+      type: 'javascript/auto',
+      test: /\.stories\.json$/,
+      use: fileURLToPath(import.meta.resolve('@storybook/server-webpack5/loader')),
+    },
+
+    {
+      type: 'javascript/auto',
+      test: /\.stories\.ya?ml/,
+      use: [
+        fileURLToPath(import.meta.resolve('@storybook/server-webpack5/loader')),
+        {
+          loader: fileURLToPath(import.meta.resolve('yaml-loader')),
+          options: { asJSON: true },
+        },
+      ],
+    },
+  ];
+
+  config.module = config.module || {};
+  config.module.rules = rules;
+
+  return config;
+};
diff --git a/code/frameworks/server-webpack5/src/types.ts b/code/frameworks/server-webpack5/src/types.ts
index 1040a0fea8bb..23a9ddbef263 100644
--- a/code/frameworks/server-webpack5/src/types.ts
+++ b/code/frameworks/server-webpack5/src/types.ts
@@ -8,7 +8,9 @@ import type {
 import type {
   StorybookConfig as StorybookConfigBase,
   TypescriptOptions as TypescriptOptionsReact,
-} from '@storybook/preset-server-webpack';
+} from '@storybook/core-webpack';
+
+export type { BuilderResult, TypescriptOptions } from '@storybook/core-webpack';
 
 type FrameworkName = CompatibleString<'@storybook/server-webpack5'>;
 type BuilderName = CompatibleString<'@storybook/builder-webpack5'>;
diff --git a/code/package.json b/code/package.json
index 5b625e47a573..40363ee297ac 100644
--- a/code/package.json
+++ b/code/package.json
@@ -71,8 +71,6 @@
     "@storybook/preact": "workspace:*",
     "@storybook/preact-vite": "workspace:*",
     "@storybook/preset-create-react-app": "workspace:*",
-    "@storybook/preset-react-webpack": "workspace:*",
-    "@storybook/preset-server-webpack": "workspace:*",
     "@storybook/react": "workspace:*",
     "@storybook/react-vite": "workspace:*",
     "@storybook/react-webpack5": "workspace:*",
diff --git a/code/presets/react-webpack/README.md b/code/presets/react-webpack/README.md
deleted file mode 100644
index 4d1b25e463ef..000000000000
--- a/code/presets/react-webpack/README.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# Storybook Webpack preset for React
-
-This package is a [preset](https://storybook.js.org/docs/addons/writing-presets?renderer=react&ref=readme) that configures Storybook's webpack settings for handling React.
-It's an internal package that's not intended to be used directly by users.
-
-- More info on [Storybook for React](https://storybook.js.org/docs/get-started/install?renderer=react&ref=readme)
-
-Learn more about Storybook at [storybook.js.org](https://storybook.js.org/?ref=readme).
diff --git a/code/presets/react-webpack/build-config.ts b/code/presets/react-webpack/build-config.ts
deleted file mode 100644
index 44be2e8a24c2..000000000000
--- a/code/presets/react-webpack/build-config.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import type { BuildEntries } from '../../../scripts/build/utils/entry-utils.ts';
-
-const config: BuildEntries = {
-  entries: {
-    node: [
-      {
-        exportEntries: ['.'],
-        entryPoint: './src/index.ts',
-      },
-      {
-        exportEntries: ['./preset-cra'],
-        entryPoint: './src/framework-preset-cra.ts',
-        dts: false,
-      },
-      {
-        exportEntries: ['./preset-react-docs'],
-        entryPoint: './src/framework-preset-react-docs.ts',
-        dts: false,
-      },
-      {
-        exportEntries: ['./react-docgen-loader'],
-        entryPoint: './src/loaders/react-docgen-loader.ts',
-        dts: false,
-      },
-    ],
-  },
-};
-
-export default config;
diff --git a/code/presets/react-webpack/package.json b/code/presets/react-webpack/package.json
deleted file mode 100644
index 556ad555d384..000000000000
--- a/code/presets/react-webpack/package.json
+++ /dev/null
@@ -1,71 +0,0 @@
-{
-  "name": "@storybook/preset-react-webpack",
-  "version": "10.4.0-alpha.10",
-  "description": "Storybook for React: Develop React Component in isolation with Hot Reloading",
-  "keywords": [
-    "storybook"
-  ],
-  "homepage": "https://github.com/storybookjs/storybook/tree/next/code/presets/react-webpack",
-  "bugs": {
-    "url": "https://github.com/storybookjs/storybook/issues"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/storybookjs/storybook.git",
-    "directory": "code/presets/react-webpack"
-  },
-  "funding": {
-    "type": "opencollective",
-    "url": "https://opencollective.com/storybook"
-  },
-  "license": "MIT",
-  "type": "module",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "code": "./src/index.ts",
-      "default": "./dist/index.js"
-    },
-    "./package.json": "./package.json",
-    "./preset-cra": "./dist/framework-preset-cra.js",
-    "./preset-react-docs": "./dist/framework-preset-react-docs.js",
-    "./react-docgen-loader": "./dist/loaders/react-docgen-loader.js"
-  },
-  "files": [
-    "dist/**/*",
-    "README.md",
-    "*.js",
-    "*.d.ts",
-    "!src/**/*"
-  ],
-  "dependencies": {
-    "@storybook/core-webpack": "workspace:*",
-    "@storybook/react-docgen-typescript-plugin": "1.0.6--canary.9.0c3f3b7.0",
-    "@types/semver": "^7.7.1",
-    "magic-string": "^0.30.5",
-    "react-docgen": "^7.1.1",
-    "resolve": "^1.22.8",
-    "semver": "^7.7.3",
-    "tsconfig-paths": "^4.2.0",
-    "webpack": "5"
-  },
-  "devDependencies": {
-    "@types/node": "^22.19.1",
-    "empathic": "^2.0.0",
-    "typescript": "^5.9.3"
-  },
-  "peerDependencies": {
-    "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-    "storybook": "workspace:^"
-  },
-  "peerDependenciesMeta": {
-    "typescript": {
-      "optional": true
-    }
-  },
-  "publishConfig": {
-    "access": "public"
-  },
-  "gitHead": "a8e7fd8a655c69780bc20b9749d2699e45beae1l"
-}
diff --git a/code/presets/react-webpack/preset.js b/code/presets/react-webpack/preset.js
deleted file mode 100644
index 2b8395cdb631..000000000000
--- a/code/presets/react-webpack/preset.js
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dist/index.js';
diff --git a/code/presets/react-webpack/project.json b/code/presets/react-webpack/project.json
deleted file mode 100644
index abb627f13f18..000000000000
--- a/code/presets/react-webpack/project.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "name": "react-webpack",
-  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
-  "projectType": "library",
-  "targets": {
-    "compile": {},
-    "check": {}
-  },
-  "tags": ["library"]
-}
diff --git a/code/presets/react-webpack/src/framework-preset-react-docs.test.ts b/code/presets/react-webpack/src/framework-preset-react-docs.test.ts
deleted file mode 100644
index 3673113f6212..000000000000
--- a/code/presets/react-webpack/src/framework-preset-react-docs.test.ts
+++ /dev/null
@@ -1,152 +0,0 @@
-import { describe, expect, it, vi } from 'vitest';
-
-import type { TypescriptOptions } from '@storybook/core-webpack';
-import ReactDocgenTypescriptPlugin from '@storybook/react-docgen-typescript-plugin';
-
-import type { Configuration } from 'webpack';
-
-import * as preset from './framework-preset-react-docs.ts';
-
-vi.mock('./requirer', () => ({
-  requirer: (resolver: any, path: string) => path,
-}));
-
-describe('framework-preset-react-docgen', () => {
-  const presetsListWithDocs = [{ name: '@storybook/addon-docs', options: {}, preset: null }];
-
-  // mock requirer
-
-  describe('react-docgen', () => {
-    it('should return the webpack config with the extra webpack loader', async () => {
-      const webpackConfig: Configuration = {};
-
-      const config = await preset.webpackFinal?.(webpackConfig, {
-        presets: {
-          apply: async (name: string) => {
-            if (name === 'typescript') {
-              return {
-                check: false,
-                reactDocgen: 'react-docgen',
-              } as Partial<TypescriptOptions>;
-            }
-
-            if (name === 'babel') {
-              return {
-                plugins: [],
-                presets: [],
-              };
-            }
-
-            return undefined;
-          },
-        },
-        presetsList: presetsListWithDocs,
-      } as any);
-
-      expect(config).toEqual({
-        module: {
-          rules: [
-            {
-              exclude: /(\.(stories|story)\.(js|jsx|ts|tsx))|(node_modules)/,
-              loader: expect.stringContaining('@storybook/preset-react-webpack'),
-              options: { babelOptions: { plugins: [], presets: [] }, debug: false },
-              test: /\.(cjs|mjs|tsx?|jsx?)$/,
-            },
-          ],
-        },
-      });
-    });
-  });
-
-  describe('react-docgen-typescript', () => {
-    it('should return the webpack config with the extra plugin', async () => {
-      const webpackConfig = {
-        plugins: [],
-      };
-
-      const config = await preset.webpackFinal?.(webpackConfig, {
-        presets: {
-          // @ts-expect-error (not strict)
-          apply: async (name: string) => {
-            if (name === 'typescript') {
-              return {
-                check: false,
-                reactDocgen: 'react-docgen-typescript',
-              } as Partial<TypescriptOptions>;
-            }
-
-            if (name === 'babel') {
-              return {
-                plugins: [],
-                presets: [],
-              };
-            }
-
-            return undefined;
-          },
-        },
-        presetsList: presetsListWithDocs,
-      });
-
-      expect(config).toEqual({
-        module: {
-          rules: [
-            {
-              exclude: /(\.(stories|story)\.(js|jsx|ts|tsx))|(node_modules)/,
-              loader: expect.stringContaining('@storybook/preset-react-webpack'),
-              options: { babelOptions: { plugins: [], presets: [] }, debug: false },
-              test: /\.(cjs|mjs|jsx?)$/,
-            },
-          ],
-        },
-        plugins: [expect.any(ReactDocgenTypescriptPlugin)],
-      });
-    });
-  });
-
-  describe('no docgen', () => {
-    it('should not add any extra plugins', async () => {
-      const webpackConfig = {
-        plugins: [],
-      };
-
-      const outputWebpackconfig = await preset.webpackFinal?.(webpackConfig, {
-        presets: {
-          // @ts-expect-error (Converted from ts-ignore)
-          apply: async () =>
-            ({
-              check: false,
-              reactDocgen: false,
-            }) as Partial<TypescriptOptions>,
-        },
-        presetsList: presetsListWithDocs,
-      });
-
-      expect(outputWebpackconfig).toEqual({ plugins: [] });
-    });
-  });
-
-  describe('no docs or controls addon used', () => {
-    it('should not add any extra plugins', async () => {
-      const webpackConfig = {
-        plugins: [],
-      };
-
-      const outputWebpackconfig = await preset.webpackFinal?.(webpackConfig, {
-        presets: {
-          // @ts-expect-error (Converted from ts-ignore)
-          apply: async () =>
-            ({
-              check: false,
-              reactDocgen: 'react-docgen-typescript',
-            }) as Partial<TypescriptOptions>,
-        },
-        presetsList: [],
-      });
-
-      expect(outputWebpackconfig).toEqual({
-        plugins: [],
-      });
-    });
-  });
-});
diff --git a/code/presets/react-webpack/src/index.ts b/code/presets/react-webpack/src/index.ts
deleted file mode 100644
index ca2e4d41e15a..000000000000
--- a/code/presets/react-webpack/src/index.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { fileURLToPath } from 'node:url';
-
-import type { PresetProperty } from 'storybook/internal/types';
-
-export * from './types.ts';
-
-export const addons: PresetProperty<'addons'> = [
-  fileURLToPath(import.meta.resolve('@storybook/preset-react-webpack/preset-cra')),
-  fileURLToPath(import.meta.resolve('@storybook/preset-react-webpack/preset-react-docs')),
-];
diff --git a/code/presets/react-webpack/src/loaders/docgen-resolver.ts b/code/presets/react-webpack/src/loaders/docgen-resolver.ts
deleted file mode 100644
index 7a4fa6135b2a..000000000000
--- a/code/presets/react-webpack/src/loaders/docgen-resolver.ts
+++ /dev/null
@@ -1,82 +0,0 @@
-import { extname } from 'node:path';
-
-import resolve from 'resolve';
-
-export class ReactDocgenResolveError extends Error {
-  // the magic string that react-docgen uses to check if a module is ignored
-  readonly code = 'MODULE_NOT_FOUND';
-
-  constructor(filename: string) {
-    super(`'${filename}' was ignored by react-docgen.`);
-  }
-}
-
-/* The below code was copied from:
- * https://github.com/reactjs/react-docgen/blob/df2daa8b6f0af693ecc3c4dc49f2246f60552bcb/packages/react-docgen/src/importer/makeFsImporter.ts#L14-L63
- * because it wasn't exported from the react-docgen package.
- * watch out: when updating this code, also update the code in code/frameworks/react-vite/src/plugins/docgen-resolver.ts
- */
-
-// These extensions are sorted by priority
-// resolve() will check for files in the order these extensions are sorted
-export const RESOLVE_EXTENSIONS = [
-  '.js',
-  '.cts', // These were originally not in the code, I added them
-  '.mts', // These were originally not in the code, I added them
-  '.ctsx', // These were originally not in the code, I added them
-  '.mtsx', // These were originally not in the code, I added them
-  '.ts',
-  '.tsx',
-  '.mjs',
-  '.cjs',
-  '.mts',
-  '.cts',
-  '.jsx',
-];
-
-export function defaultLookupModule(filename: string, basedir: string): string {
-  const resolveOptions = {
-    basedir,
-    extensions: RESOLVE_EXTENSIONS,
-    // we do not need to check core modules as we cannot import them anyway
-    includeCoreModules: false,
-  };
-
-  try {
-    return resolve.sync(filename, resolveOptions);
-  } catch (error) {
-    const ext = extname(filename);
-    let newFilename: string;
-
-    // if we try to import a JavaScript file it might be that we are actually pointing to
-    // a TypeScript file. This can happen in ES modules as TypeScript requires to import other
-    // TypeScript files with .js extensions
-    // https://www.typescriptlang.org/docs/handbook/esm-node.html#type-in-packagejson-and-new-extensions
-    switch (ext) {
-      case '.js':
-      case '.mjs':
-      case '.cjs': {
-        // Try .ts first, then fall back to .tsx (for React components using ESM-style .js imports)
-        const base = filename.slice(0, -2);
-        try {
-          return resolve.sync(`${base}ts`, { ...resolveOptions, extensions: [] });
-        } catch {
-          newFilename = `${base}tsx`;
-        }
-        break;
-      }
-
-      case '.jsx':
-        newFilename = `${filename.slice(0, -3)}tsx`;
-        break;
-      default:
-        throw error;
-    }
-
-    return resolve.sync(newFilename, {
-      ...resolveOptions,
-      // we already know that there is an extension at this point, so no need to check other extensions
-      extensions: [],
-    });
-  }
-}
diff --git a/code/presets/react-webpack/src/types.ts b/code/presets/react-webpack/src/types.ts
deleted file mode 100644
index 047c5ea59509..000000000000
--- a/code/presets/react-webpack/src/types.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import type {
-  StorybookConfig as StorybookConfigBase,
-  TypescriptOptions as TypescriptOptionsBase,
-  WebpackConfiguration as WebpackConfigurationBase,
-} from '@storybook/core-webpack';
-import type { PluginOptions as ReactDocgenTypescriptOptions } from '@storybook/react-docgen-typescript-plugin';
-
-export type { BuilderResult } from '@storybook/core-webpack';
-
-export interface ReactOptions {
-  strictMode?: boolean;
-  /**
-   * Use React's legacy root API to mount components
-   *
-   * React has introduced a new root API with React 18.x to enable a whole set of new features (e.g.
-   * concurrent features) If this flag is true, the legacy Root API is used to mount components to
-   * make it easier to migrate step by step to React 18.
-   *
-   * @default false
-   */
-  legacyRootApi?: boolean;
-}
-
-export type TypescriptOptions = TypescriptOptionsBase & {
-  /**
-   * Sets the type of Docgen when working with React and TypeScript
-   *
-   * @default `'react-docgen'`
-   */
-  reactDocgen: 'react-docgen-typescript' | 'react-docgen' | false;
-  /**
-   * Configures `react-docgen-typescript-plugin`
-   *
-   * @default
-   * @see https://github.com/storybookjs/storybook/blob/next/code/builders/builder-webpack5/src/config/defaults.js#L4-L6
-   */
-  reactDocgenTypescriptOptions: ReactDocgenTypescriptOptions;
-};
-
-export type StorybookConfig<TWebpackConfiguration = WebpackConfigurationBase> =
-  StorybookConfigBase<TWebpackConfiguration> & {
-    typescript?: Partial<TypescriptOptions>;
-  };
diff --git a/code/presets/react-webpack/tsconfig.json b/code/presets/react-webpack/tsconfig.json
deleted file mode 100644
index 73a65ef2ef6e..000000000000
--- a/code/presets/react-webpack/tsconfig.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {},
-  "include": ["src/**/*"]
-}
diff --git a/code/presets/server-webpack/README.md b/code/presets/server-webpack/README.md
deleted file mode 100644
index 244cadd8cea1..000000000000
--- a/code/presets/server-webpack/README.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# Storybook Webpack preset for Server
-
-This package is a [preset](https://storybook.js.org/docs/addons/writing-presets?ref=readme) that configures Storybook's webpack settings for handling React.
-It's an internal package that's not intended to be used directly by users.
-
-- More info on [Storybook for Server](https://github.com/storybookjs/storybook/tree/next/code/frameworks/server-webpack5)
-
-Learn more about Storybook at [storybook.js.org](https://storybook.js.org/?ref=readme).
diff --git a/code/presets/server-webpack/build-config.ts b/code/presets/server-webpack/build-config.ts
deleted file mode 100644
index 7d5ba7d7ea44..000000000000
--- a/code/presets/server-webpack/build-config.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import type { BuildEntries } from '../../../scripts/build/utils/entry-utils.ts';
-
-const config: BuildEntries = {
-  entries: {
-    node: [
-      {
-        exportEntries: ['.'],
-        entryPoint: './src/index.ts',
-      },
-      {
-        exportEntries: ['./loader'],
-        entryPoint: './src/loader.ts',
-        dts: false,
-      },
-    ],
-  },
-};
-
-export default config;
diff --git a/code/presets/server-webpack/package.json b/code/presets/server-webpack/package.json
deleted file mode 100644
index 9ec3f9b7b5ae..000000000000
--- a/code/presets/server-webpack/package.json
+++ /dev/null
@@ -1,57 +0,0 @@
-{
-  "name": "@storybook/preset-server-webpack",
-  "version": "10.4.0-alpha.10",
-  "description": "Storybook for Server: View HTML snippets from a server in isolation with Hot Reloading.",
-  "keywords": [
-    "storybook"
-  ],
-  "homepage": "https://github.com/storybookjs/storybook/tree/next/code/presets/server-webpack",
-  "bugs": {
-    "url": "https://github.com/storybookjs/storybook/issues"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/storybookjs/storybook.git",
-    "directory": "code/presets/server-webpack"
-  },
-  "funding": {
-    "type": "opencollective",
-    "url": "https://opencollective.com/storybook"
-  },
-  "license": "MIT",
-  "type": "module",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "code": "./src/index.ts",
-      "default": "./dist/index.js"
-    },
-    "./loader": "./dist/loader.js",
-    "./package.json": "./package.json"
-  },
-  "files": [
-    "dist/**/*",
-    "README.md",
-    "*.js",
-    "*.d.ts",
-    "!src/**/*"
-  ],
-  "dependencies": {
-    "@storybook/core-webpack": "workspace:*",
-    "safe-identifier": "^0.4.2",
-    "ts-dedent": "^2.0.0",
-    "yaml-loader": "^0.8.1"
-  },
-  "devDependencies": {
-    "@types/node": "^22.19.1",
-    "typescript": "^5.9.3",
-    "yaml": "^2.8.1"
-  },
-  "peerDependencies": {
-    "storybook": "workspace:^"
-  },
-  "publishConfig": {
-    "access": "public"
-  },
-  "gitHead": "a8e7fd8a655c69780bc20b9749d2699e45beae1l"
-}
diff --git a/code/presets/server-webpack/preset.js b/code/presets/server-webpack/preset.js
deleted file mode 100644
index 2b8395cdb631..000000000000
--- a/code/presets/server-webpack/preset.js
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dist/index.js';
diff --git a/code/presets/server-webpack/project.json b/code/presets/server-webpack/project.json
deleted file mode 100644
index ea07969e81f8..000000000000
--- a/code/presets/server-webpack/project.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "name": "server-webpack",
-  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
-  "projectType": "library",
-  "targets": {
-    "compile": {},
-    "check": {}
-  },
-  "tags": ["library"]
-}
diff --git a/code/presets/server-webpack/src/index.ts b/code/presets/server-webpack/src/index.ts
deleted file mode 100644
index a5d9fc4e7855..000000000000
--- a/code/presets/server-webpack/src/index.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import { fileURLToPath } from 'node:url';
-
-import type { StorybookConfig } from './types.ts';
-
-export * from './types.ts';
-
-export const webpack: StorybookConfig['webpack'] = (config) => {
-  const rules = [
-    ...(config.module?.rules || []),
-    {
-      type: 'javascript/auto',
-      test: /\.stories\.json$/,
-      use: fileURLToPath(import.meta.resolve('@storybook/preset-server-webpack/loader')),
-    },
-
-    {
-      type: 'javascript/auto',
-      test: /\.stories\.ya?ml/,
-      use: [
-        fileURLToPath(import.meta.resolve('@storybook/preset-server-webpack/loader')),
-        {
-          loader: fileURLToPath(import.meta.resolve('yaml-loader')),
-          options: { asJSON: true },
-        },
-      ],
-    },
-  ];
-
-  config.module = config.module || {};
-
-  config.module.rules = rules;
-
-  return config;
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.json
deleted file mode 100644
index c4496e6ab403..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.json
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "title": "Addons/a11y",
-  "parameters": {
-    "options": { "selectedPanel": "storybook/a11y/panel" }
-  },
-  "stories": [
-    {
-      "name": "Label",
-      "parameters": {
-        "server": { "id": "addons/a11y/label" }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.snapshot
deleted file mode 100644
index 6d22e73bf022..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/a11y.snapshot
+++ /dev/null
@@ -1,18 +0,0 @@
-
-export default {
-  title: "Addons/a11y",
-  parameters: {
-    options: {
-      selectedPanel: "storybook/a11y/panel"
-    }
-  }
-};
-
-export const Label = {
-  name: "Label",
-  parameters: {
-    server: {
-      id: "addons/a11y/label"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.json
deleted file mode 100644
index ac94c3527d1f..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "title": "Addons/Actions",
-  "parameters": {
-    "options": { "selectedPanel": "storybook/actions/panel" }
-  },
-  "stories": [
-    {
-      "name": "Multiple actions + config",
-      "parameters": {
-        "actions": ["click", "contextmenu", { "clearOnStoryChange": false }],
-        "server": { "id": "addons/actions/story3" }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.snapshot
deleted file mode 100644
index 2317e70d92d2..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/actions.snapshot
+++ /dev/null
@@ -1,25 +0,0 @@
-
-export default {
-  title: "Addons/Actions",
-  parameters: {
-    options: {
-      selectedPanel: "storybook/actions/panel"
-    }
-  }
-};
-
-export const Multiple_actions_config = {
-  name: "Multiple actions + config",
-  parameters: {
-    actions: [
-      "click",
-      "contextmenu",
-      {
-        clearOnStoryChange: false
-      }
-    ],
-    server: {
-      id: "addons/actions/story3"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.json
deleted file mode 100644
index 4c91c4f4c51c..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "title": "Addons/Backgrounds",
-  "parameters": {
-    "backgrounds": [
-      { "name": "light", "value": "#eeeeee" },
-      { "name": "dark", "value": "#222222", "default": true }
-    ]
-  },
-  "stories": [
-    {
-      "name": "Story 1",
-      "parameters": {
-        "server": { "id": "addons/backgrounds/story1" }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.snapshot
deleted file mode 100644
index 40a2bf3524a1..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/backgrounds.snapshot
+++ /dev/null
@@ -1,26 +0,0 @@
-
-export default {
-  title: "Addons/Backgrounds",
-  parameters: {
-    backgrounds: [
-      {
-        name: "light",
-        value: "#eeeeee"
-      },
-      {
-        name: "dark",
-        value: "#222222",
-        default: true
-      }
-    ]
-  }
-};
-
-export const Story_1 = {
-  name: "Story 1",
-  parameters: {
-    server: {
-      id: "addons/backgrounds/story1"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.json
deleted file mode 100644
index fb1e0774e694..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "title": "Addons/Controls",
-  "parameters": {
-    "options": { "selectedPanel": "storybook/controls/panel" }
-  },
-  "stories": [
-    {
-      "name": "Simple",
-      "parameters": {
-        "server": { "id": "addons/controls/simple" }
-      },
-      "args": {
-        "name": "John Doe",
-        "birthday": "1960-12-25T00:42:03.600Z",
-        "favorite_color": "red",
-        "active": true,
-        "pets": 2,
-        "sports": ["football", "baseball"],
-        "favorite_food": "Ice Cream",
-        "other_things": { "hair": "Brown", "eyes": "Blue" }
-      },
-      "argTypes": {
-        "birthday": { "control": { "type": "date" } },
-        "favorite_color": { "control": { "type": "color" } },
-        "favorite_food": {
-          "control": {
-            "type": "select",
-            "options": {
-              "hot_dog": "Hot Dog",
-              "pizza": "Pizza",
-              "burgers": "Burgers",
-              "ice_cream": "Ice Cream"
-            }
-          }
-        }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.snapshot
deleted file mode 100644
index 519ae472aca0..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/controls.snapshot
+++ /dev/null
@@ -1,57 +0,0 @@
-
-export default {
-  title: "Addons/Controls",
-  parameters: {
-    options: {
-      selectedPanel: "storybook/controls/panel"
-    }
-  }
-};
-
-export const Simple = {
-  name: "Simple",
-  parameters: {
-    server: {
-      id: "addons/controls/simple"
-    }
-  },
-  args: {
-    name: "John Doe",
-    birthday: "1960-12-25T00:42:03.600Z",
-    favorite_color: "red",
-    active: true,
-    pets: 2,
-    sports: [
-      "football",
-      "baseball"
-    ],
-    favorite_food: "Ice Cream",
-    other_things: {
-      hair: "Brown",
-      eyes: "Blue"
-    }
-  },
-  argTypes: {
-    birthday: {
-      control: {
-        type: "date"
-      }
-    },
-    favorite_color: {
-      control: {
-        type: "color"
-      }
-    },
-    favorite_food: {
-      control: {
-        type: "select",
-        options: {
-          hot_dog: "Hot Dog",
-          pizza: "Pizza",
-          burgers: "Burgers",
-          ice_cream: "Ice Cream"
-        }
-      }
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.json
deleted file mode 100644
index 058f8924d5b4..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.json
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  "title": "Kitchen Sink",
-  "parameters": {
-    "backgrounds": [
-      { "name": "light", "value": "#eeeeee" },
-      { "name": "dark", "value": "#222222", "default": true }
-    ],
-    "options": { "selectedPanel": "storybook/a11y/panel" },
-    "server": {
-      "params": { "color": "red" }
-    }
-  },
-  "stories": [
-    {
-      "name": "Heading",
-      "parameters": {
-        "actions": ["click", "contextmenu", { "clearOnStoryChange": false }],
-        "server": {
-          "id": "demo/heading",
-          "params": {
-            "color": "orange"
-          }
-        }
-      },
-      "args": { "name": "John Doe", "age": 44 }
-    },
-    {
-      "name": "Button",
-      "parameters": {
-        "server": { "id": "demo/button" }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.snapshot
deleted file mode 100644
index c8af3046016c..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/kitchen_sink.snapshot
+++ /dev/null
@@ -1,57 +0,0 @@
-
-export default {
-  title: "Kitchen Sink",
-  parameters: {
-    backgrounds: [
-      {
-        name: "light",
-        value: "#eeeeee"
-      },
-      {
-        name: "dark",
-        value: "#222222",
-        default: true
-      }
-    ],
-    options: {
-      selectedPanel: "storybook/a11y/panel"
-    },
-    server: {
-      params: {
-        color: "red"
-      }
-    }
-  }
-};
-
-export const Heading = {
-  name: "Heading",
-  parameters: {
-    actions: [
-      "click",
-      "contextmenu",
-      {
-        clearOnStoryChange: false
-      }
-    ],
-    server: {
-      id: "demo/heading",
-      params: {
-        color: "orange"
-      }
-    }
-  },
-  args: {
-    name: "John Doe",
-    age: 44
-  }
-};
-
-export const Button = {
-  name: "Button",
-  parameters: {
-    server: {
-      id: "demo/button"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.json
deleted file mode 100644
index ee192f0bec81..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "title": "Welcome",
-  "stories": [
-    {
-      "name": "Welcome",
-      "parameters": {
-        "server": {
-          "id": "welcome/welcome"
-        }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.snapshot
deleted file mode 100644
index 140837fa3c52..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/links.snapshot
+++ /dev/null
@@ -1,13 +0,0 @@
-
-export default {
-  title: "Welcome",
-};
-
-export const Welcome = {
-  name: "Welcome",
-  parameters: {
-    server: {
-      id: "welcome/welcome"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.json
deleted file mode 100644
index 207332142d29..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "title": "Demo",
-  "stories": [
-    {
-      "name": "Heading",
-      "parameters": {
-        "server": { "id": "demo/heading" }
-      }
-    },
-    {
-      "name": "Headings",
-      "parameters": {
-        "server": { "id": "demo/headings" }
-      }
-    },
-    {
-      "name": "Button",
-      "parameters": {
-        "server": { "id": "demo/button" }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.snapshot
deleted file mode 100644
index 1e4c59f1ea35..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/multiple_stories.snapshot
+++ /dev/null
@@ -1,31 +0,0 @@
-
-export default {
-  title: "Demo",
-};
-
-export const Heading = {
-  name: "Heading",
-  parameters: {
-    server: {
-      id: "demo/heading"
-    }
-  }
-};
-
-export const Headings = {
-  name: "Headings",
-  parameters: {
-    server: {
-      id: "demo/headings"
-    }
-  }
-};
-
-export const Button = {
-  name: "Button",
-  parameters: {
-    server: {
-      id: "demo/button"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.json
deleted file mode 100644
index 5084fdbe743f..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "title": "Params",
-  "parameters": {
-    "server": {
-      "params": { "color": "red" },
-      "1200x600": { "viewport": { "width": 1200, "height": 600 } }
-    }
-  },
-  "stories": [
-    {
-      "name": "Story",
-      "parameters": {
-        "server": {
-          "id": "params/story",
-          "params": { "message": "Hello World" }
-        }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.snapshot
deleted file mode 100644
index 0c6757db5a00..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params.snapshot
+++ /dev/null
@@ -1,29 +0,0 @@
-
-export default {
-  title: "Params",
-  parameters: {
-    server: {
-      params: {
-        color: "red"
-      },
-      1200x600: {
-        viewport: {
-          width: 1200,
-          height: 600
-        }
-      }
-    }
-  }
-};
-
-export const Story = {
-  name: "Story",
-  parameters: {
-    server: {
-      id: "params/story",
-      params: {
-        message: "Hello World"
-      }
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.json b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.json
deleted file mode 100644
index 717be13a4ad3..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "title": "Params",
-  "parameters": {
-    "server": {
-      "params": { "color": "red" }
-    }
-  },
-  "stories": [
-    {
-      "name": "Override",
-      "parameters": {
-        "server": {
-          "id": "params/override",
-          "params": { "message": "Hello World", "color": "green" }
-        }
-      }
-    }
-  ]
-}
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.snapshot
deleted file mode 100644
index 7d6396a17ece..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/params_override.snapshot
+++ /dev/null
@@ -1,24 +0,0 @@
-
-export default {
-  title: "Params",
-  parameters: {
-    server: {
-      params: {
-        color: "red"
-      }
-    }
-  }
-};
-
-export const Override = {
-  name: "Override",
-  parameters: {
-    server: {
-      id: "params/override",
-      params: {
-        message: "Hello World",
-        color: "green"
-      }
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.snapshot
deleted file mode 100644
index f22f2f5685d5..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.snapshot
+++ /dev/null
@@ -1,31 +0,0 @@
-
-export default {
-  title: "Demo YAML",
-};
-
-export const Heading = {
-  name: "Heading",
-  parameters: {
-    server: {
-      id: "yaml/heading"
-    }
-  }
-};
-
-export const Headings = {
-  name: "Headings",
-  parameters: {
-    server: {
-      id: "yaml/headings"
-    }
-  }
-};
-
-export const Button = {
-  name: "Button",
-  parameters: {
-    server: {
-      id: "yaml/button"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.yaml b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.yaml
deleted file mode 100644
index 1eb8c906e054..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yaml.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-title: Demo YAML
-stories:
-  - name: Heading
-    parameters:
-      server:
-        id: yaml/heading
-  - name: Headings
-    parameters:
-      server:
-        id: yaml/headings
-  - name: Button
-    parameters:
-      server:
-        id: yaml/button
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.snapshot b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.snapshot
deleted file mode 100644
index c95096f6c85e..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.snapshot
+++ /dev/null
@@ -1,31 +0,0 @@
-
-export default {
-  title: "Demo YML",
-};
-
-export const Heading = {
-  name: "Heading",
-  parameters: {
-    server: {
-      id: "yaml/heading"
-    }
-  }
-};
-
-export const Headings = {
-  name: "Headings",
-  parameters: {
-    server: {
-      id: "yaml/headings"
-    }
-  }
-};
-
-export const Button = {
-  name: "Button",
-  parameters: {
-    server: {
-      id: "yaml/button"
-    }
-  }
-};
diff --git a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.yml b/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.yml
deleted file mode 100644
index bc334cb8949f..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/__testfixtures__/yml.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-title: Demo YML
-stories:
-  - name: Heading
-    parameters:
-      server:
-        id: yaml/heading
-  - name: Headings
-    parameters:
-      server:
-        id: yaml/headings
-  - name: Button
-    parameters:
-      server:
-        id: yaml/button
diff --git a/code/presets/server-webpack/src/lib/compiler/json-to-csf-compiler.test.ts b/code/presets/server-webpack/src/lib/compiler/json-to-csf-compiler.test.ts
deleted file mode 100644
index e0069a50511c..000000000000
--- a/code/presets/server-webpack/src/lib/compiler/json-to-csf-compiler.test.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import { readdirSync } from 'node:fs';
-import { readFile } from 'node:fs/promises';
-import { join } from 'node:path';
-
-import { describe, expect, it } from 'vitest';
-
-import YAML from 'yaml';
-
-import { compileCsfModule } from './index.ts';
-
-async function generate(filePath: string) {
-  const content = await readFile(filePath, { encoding: 'utf8' });
-  const parsed = filePath.endsWith('.json') ? JSON.parse(content) : YAML.parse(content);
-  return compileCsfModule(parsed);
-}
-
-['json', 'ya?ml'].forEach((fileType) => {
-  const inputRegExp = new RegExp(`.${fileType}$`);
-
-  describe(`${fileType}-to-csf-compiler`, () => {
-    const transformFixturesDir = join(__dirname, '__testfixtures__');
-    readdirSync(transformFixturesDir)
-      .filter((fileName: string) => inputRegExp.test(fileName))
-      .forEach((fixtureFile: string) => {
-        it(`${fixtureFile}`, async () => {
-          const inputPath = join(transformFixturesDir, fixtureFile);
-          const code = await generate(inputPath);
-          await expect(code).toMatchFileSnapshot(inputPath.replace(inputRegExp, '.snapshot'));
-        });
-      });
-  });
-});
diff --git a/code/presets/server-webpack/src/types.ts b/code/presets/server-webpack/src/types.ts
deleted file mode 100644
index 7b5a8352a9e1..000000000000
--- a/code/presets/server-webpack/src/types.ts
+++ /dev/null
@@ -1 +0,0 @@
-export type { BuilderResult, TypescriptOptions, StorybookConfig } from '@storybook/core-webpack';
diff --git a/code/presets/server-webpack/src/typings.d.ts b/code/presets/server-webpack/src/typings.d.ts
deleted file mode 100644
index cbeccdbb15f7..000000000000
--- a/code/presets/server-webpack/src/typings.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-// will be provided by the webpack define plugin
-declare var NODE_ENV: string | undefined;
diff --git a/code/presets/server-webpack/tsconfig.json b/code/presets/server-webpack/tsconfig.json
deleted file mode 100644
index 73a65ef2ef6e..000000000000
--- a/code/presets/server-webpack/tsconfig.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {},
-  "include": ["src/**/*"]
-}
diff --git a/code/presets/server-webpack/vitest.config.ts b/code/presets/server-webpack/vitest.config.ts
deleted file mode 100644
index 25fae90d1f77..000000000000
--- a/code/presets/server-webpack/vitest.config.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { defineConfig, mergeConfig } from 'vitest/config';
-
-import { vitestCommonConfig } from '../../vitest.shared.ts';
-
-export default mergeConfig(
-  vitestCommonConfig,
-  defineConfig({
-    // Add custom config here
-  })
-);
diff --git a/scripts/build/entry-configs.ts b/scripts/build/entry-configs.ts
index 7414ffcca0f9..c5e1ba043f0b 100644
--- a/scripts/build/entry-configs.ts
+++ b/scripts/build/entry-configs.ts
@@ -63,10 +63,6 @@ import reactDomShimConfig from '../../../code/lib/react-dom-shim/build-config';
 // @ts-ignore
 import presetCraConfig from '../../../code/presets/create-react-app/build-config';
 // @ts-ignore
-import presetReactWebpackConfig from '../../../code/presets/react-webpack/build-config';
-// @ts-ignore
-import presetServerWebpackConfig from '../../../code/presets/server-webpack/build-config';
-// @ts-ignore
 import htmlRendererConfig from '../../../code/renderers/html/build-config';
 // @ts-ignore
 import preactRendererConfig from '../../../code/renderers/preact/build-config';
@@ -125,8 +121,6 @@ export const buildEntries = {
 
   // presets
   '@storybook/preset-create-react-app': presetCraConfig,
-  '@storybook/preset-react-webpack': presetReactWebpackConfig,
-  '@storybook/preset-server-webpack': presetServerWebpackConfig,
 
   // renderers
   '@storybook/html': htmlRendererConfig,
diff --git a/test-storybooks/ember-cli/package.json b/test-storybooks/ember-cli/package.json
index 97e2ab74a9f2..d15ecf1122bf 100644
--- a/test-storybooks/ember-cli/package.json
+++ b/test-storybooks/ember-cli/package.json
@@ -27,8 +27,6 @@
     "@storybook/preact": "file:../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../code/presets/server-webpack",
     "@storybook/react": "file:../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../code/frameworks/react-vite",
diff --git a/test-storybooks/external-docs/package.json b/test-storybooks/external-docs/package.json
index 239ecc93847e..08899b9a0df0 100644
--- a/test-storybooks/external-docs/package.json
+++ b/test-storybooks/external-docs/package.json
@@ -27,8 +27,6 @@
     "@storybook/preact": "file:../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../code/presets/server-webpack",
     "@storybook/react": "file:../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../code/frameworks/react-vite",
diff --git a/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json b/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
index 62cd3ed2a11a..2f6f57e47e27 100644
--- a/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/nextjs/package.json
@@ -31,8 +31,6 @@
     "@storybook/preact": "file:../../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../../code/presets/server-webpack",
     "@storybook/react": "file:../../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../../code/frameworks/react-vite",
diff --git a/test-storybooks/portable-stories-kitchen-sink/react-vitest-3/package.json b/test-storybooks/portable-stories-kitchen-sink/react-vitest-3/package.json
index 0a6d58169e9d..925dae260850 100644
--- a/test-storybooks/portable-stories-kitchen-sink/react-vitest-3/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/react-vitest-3/package.json
@@ -31,8 +31,6 @@
     "@storybook/preact": "file:../../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../../code/presets/server-webpack",
     "@storybook/react": "file:../../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../../code/frameworks/react-vite",
diff --git a/test-storybooks/portable-stories-kitchen-sink/react/package.json b/test-storybooks/portable-stories-kitchen-sink/react/package.json
index 59991571370c..f243300f1489 100644
--- a/test-storybooks/portable-stories-kitchen-sink/react/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/react/package.json
@@ -34,8 +34,6 @@
     "@storybook/preact": "file:../../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../../code/presets/server-webpack",
     "@storybook/react": "file:../../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../../code/frameworks/react-vite",
diff --git a/test-storybooks/portable-stories-kitchen-sink/svelte/package.json b/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
index 5f41275af50f..5ec5445b4741 100644
--- a/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/svelte/package.json
@@ -31,8 +31,6 @@
     "@storybook/preact": "portal:../../../code/renderers/preact",
     "@storybook/preact-vite": "portal:../../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "portal:../../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "portal:../../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "portal:../../../code/presets/server-webpack",
     "@storybook/react": "portal:../../../code/renderers/react",
     "@storybook/react-dom-shim": "portal:../../../code/lib/react-dom-shim",
     "@storybook/react-vite": "portal:../../../code/frameworks/react-vite",
diff --git a/test-storybooks/portable-stories-kitchen-sink/vue3/package.json b/test-storybooks/portable-stories-kitchen-sink/vue3/package.json
index 8f7bf135e7de..b77e2eb280a5 100644
--- a/test-storybooks/portable-stories-kitchen-sink/vue3/package.json
+++ b/test-storybooks/portable-stories-kitchen-sink/vue3/package.json
@@ -32,8 +32,6 @@
     "@storybook/preact": "file:../../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../../code/presets/server-webpack",
     "@storybook/react": "file:../../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../../code/frameworks/react-vite",
diff --git a/test-storybooks/server-kitchen-sink/package.json b/test-storybooks/server-kitchen-sink/package.json
index 1dc6ba82e40e..98801a9985b9 100644
--- a/test-storybooks/server-kitchen-sink/package.json
+++ b/test-storybooks/server-kitchen-sink/package.json
@@ -30,8 +30,6 @@
     "@storybook/preact": "file:../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../code/presets/server-webpack",
     "@storybook/react": "file:../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../code/frameworks/react-vite",
diff --git a/test-storybooks/standalone-preview/package.json b/test-storybooks/standalone-preview/package.json
index 9d80250b5040..9f9f807a5e96 100644
--- a/test-storybooks/standalone-preview/package.json
+++ b/test-storybooks/standalone-preview/package.json
@@ -23,8 +23,6 @@
     "@storybook/preact": "file:../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../code/presets/server-webpack",
     "@storybook/react": "file:../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../code/frameworks/react-vite",
diff --git a/test-storybooks/yarn-pnp/package.json b/test-storybooks/yarn-pnp/package.json
index 2f935ee231e6..c8080521f383 100644
--- a/test-storybooks/yarn-pnp/package.json
+++ b/test-storybooks/yarn-pnp/package.json
@@ -29,8 +29,6 @@
     "@storybook/preact": "file:../../code/renderers/preact",
     "@storybook/preact-vite": "file:../../code/frameworks/preact-vite",
     "@storybook/preset-create-react-app": "file:../../code/presets/create-react-app",
-    "@storybook/preset-react-webpack": "file:../../code/presets/react-webpack",
-    "@storybook/preset-server-webpack": "file:../../code/presets/server-webpack",
     "@storybook/react": "file:../../code/renderers/react",
     "@storybook/react-dom-shim": "file:../../code/lib/react-dom-shim",
     "@storybook/react-vite": "file:../../code/frameworks/react-vite",
@@ -76,4 +74,4 @@
   "nx": {
     "includedScripts": []
   }
-}
\ No newline at end of file
+}
diff --git a/yarn.lock b/yarn.lock
index 46fa9c64723f..32d5dffcd798 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8179,8 +8179,6 @@ __metadata:
     "@storybook/preact": "workspace:*"
     "@storybook/preact-vite": "workspace:*"
     "@storybook/preset-create-react-app": "workspace:*"
-    "@storybook/preset-react-webpack": "workspace:*"
-    "@storybook/preset-server-webpack": "workspace:*"
     "@storybook/react": "workspace:*"
     "@storybook/react-vite": "workspace:*"
     "@storybook/react-webpack5": "workspace:*"
@@ -8429,8 +8427,8 @@ __metadata:
     "@babel/types": "npm:^7.28.5"
     "@pmmmwh/react-refresh-webpack-plugin": "npm:^0.5.11"
     "@storybook/builder-webpack5": "workspace:*"
-    "@storybook/preset-react-webpack": "workspace:*"
     "@storybook/react": "workspace:*"
+    "@storybook/react-webpack5": "workspace:*"
     "@types/babel__core": "npm:^7"
     "@types/babel__plugin-transform-runtime": "npm:^7"
     "@types/babel__preset-env": "npm:^7"
@@ -8516,48 +8514,6 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@storybook/preset-react-webpack@workspace:*, @storybook/preset-react-webpack@workspace:code/presets/react-webpack":
-  version: 0.0.0-use.local
-  resolution: "@storybook/preset-react-webpack@workspace:code/presets/react-webpack"
-  dependencies:
-    "@storybook/core-webpack": "workspace:*"
-    "@storybook/react-docgen-typescript-plugin": "npm:1.0.6--canary.9.0c3f3b7.0"
-    "@types/node": "npm:^22.19.1"
-    "@types/semver": "npm:^7.7.1"
-    empathic: "npm:^2.0.0"
-    magic-string: "npm:^0.30.5"
-    react-docgen: "npm:^7.1.1"
-    resolve: "npm:^1.22.8"
-    semver: "npm:^7.7.3"
-    tsconfig-paths: "npm:^4.2.0"
-    typescript: "npm:^5.9.3"
-    webpack: "npm:5"
-  peerDependencies:
-    react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
-    react-dom: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
-    storybook: "workspace:^"
-  peerDependenciesMeta:
-    typescript:
-      optional: true
-  languageName: unknown
-  linkType: soft
-
-"@storybook/preset-server-webpack@workspace:*, @storybook/preset-server-webpack@workspace:code/presets/server-webpack":
-  version: 0.0.0-use.local
-  resolution: "@storybook/preset-server-webpack@workspace:code/presets/server-webpack"
-  dependencies:
-    "@storybook/core-webpack": "workspace:*"
-    "@types/node": "npm:^22.19.1"
-    safe-identifier: "npm:^0.4.2"
-    ts-dedent: "npm:^2.0.0"
-    typescript: "npm:^5.9.3"
-    yaml: "npm:^2.8.1"
-    yaml-loader: "npm:^0.8.1"
-  peerDependencies:
-    storybook: "workspace:^"
-  languageName: unknown
-  linkType: soft
-
 "@storybook/react-docgen-typescript-plugin@npm:1.0.6--canary.9.0c3f3b7.0":
   version: 1.0.6--canary.9.0c3f3b7.0
   resolution: "@storybook/react-docgen-typescript-plugin@npm:1.0.6--canary.9.0c3f3b7.0"
@@ -8638,9 +8594,18 @@ __metadata:
   resolution: "@storybook/react-webpack5@workspace:code/frameworks/react-webpack5"
   dependencies:
     "@storybook/builder-webpack5": "workspace:*"
-    "@storybook/preset-react-webpack": "workspace:*"
+    "@storybook/core-webpack": "workspace:*"
     "@storybook/react": "workspace:*"
+    "@storybook/react-docgen-typescript-plugin": "npm:1.0.6--canary.9.0c3f3b7.0"
     "@types/node": "npm:^22.19.1"
+    "@types/semver": "npm:^7.7.1"
+    empathic: "npm:^2.0.0"
+    magic-string: "npm:^0.30.5"
+    react-docgen: "npm:^7.1.1"
+    resolve: "npm:^1.22.8"
+    semver: "npm:^7.7.3"
+    tsconfig-paths: "npm:^4.2.0"
+    webpack: "npm:5"
   peerDependencies:
     react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
     react-dom: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
@@ -8851,10 +8816,13 @@ __metadata:
   resolution: "@storybook/server-webpack5@workspace:code/frameworks/server-webpack5"
   dependencies:
     "@storybook/builder-webpack5": "workspace:*"
-    "@storybook/preset-server-webpack": "workspace:*"
+    "@storybook/core-webpack": "workspace:*"
     "@storybook/server": "workspace:*"
     "@types/node": "npm:^22.19.1"
+    safe-identifier: "npm:^0.4.2"
+    ts-dedent: "npm:^2.0.0"
     typescript: "npm:^5.9.3"
+    yaml-loader: "npm:^0.8.1"
   peerDependencies:
     storybook: "workspace:^"
   languageName: unknown