diff --git a/packages/language-server/README.md b/packages/language-server/README.md
index 7c28effc..4ccf9973 100644
--- a/packages/language-server/README.md
+++ b/packages/language-server/README.md
@@ -127,17 +127,6 @@ It uses the `workspace/applyEdit` command to apply edits.
 
 `null`
 
-### Initialize Options
-
-MDX language server supports the following LSP initialization options:
-
-* `typescript.enabled` (`boolean`, default: `false`) —
-  If true, enable TypeScript.
-* `typescript.tsdk` (`string`, required) —
-  The path from which to load TypeScript.
-* `locale` (`string`, optional) —
-  The locale to use for TypeScript error messages.
-
 ### Configuration
 
 MDX language server supports the following LSP configuration options:
diff --git a/packages/language-server/lib/index.js b/packages/language-server/lib/index.js
index 78072451..19c997f2 100755
--- a/packages/language-server/lib/index.js
+++ b/packages/language-server/lib/index.js
@@ -1,29 +1,23 @@
 #!/usr/bin/env node
 
 /**
- * @import {VirtualCodePlugin} from '@mdx-js/language-service'
  * @import {PluggableList} from 'unified'
  */
 
-import assert from 'node:assert'
-import {createRequire} from 'node:module'
-import path from 'node:path'
 import process from 'node:process'
 import {
   createMdxLanguagePlugin,
   createMdxServicePlugin,
-  resolvePlugins
 } from '@mdx-js/language-service'
 import {
   createConnection,
   createServer,
-  createTypeScriptProject,
-  loadTsdkByPath
+  createSimpleProject
 } from '@volar/language-server/node.js'
 import remarkFrontmatter from 'remark-frontmatter'
 import remarkGfm from 'remark-gfm'
+import typescript from 'typescript'
 import {create as createMarkdownServicePlugin} from 'volar-service-markdown'
-import {create as createTypeScriptServicePlugin} from 'volar-service-typescript'
 import {create as createTypeScriptSyntacticServicePlugin} from 'volar-service-typescript/lib/plugins/syntactic.js'
 
 process.title = 'mdx-language-server'
@@ -32,116 +26,23 @@ process.title = 'mdx-language-server'
 const defaultPlugins = [[remarkFrontmatter, ['toml', 'yaml']], remarkGfm]
 const connection = createConnection()
 const server = createServer(connection)
-let tsEnabled = false
 
 connection.onInitialize(async (parameters) => {
-  const tsdk = parameters.initializationOptions?.typescript?.tsdk
-  tsEnabled = Boolean(parameters.initializationOptions?.typescript?.enabled)
-  assert.ok(
-    typeof tsdk === 'string',
-    'Missing initialization option typescript.tsdk'
-  )
-
-  const {typescript, diagnosticMessages} = loadTsdkByPath(
-    tsdk,
-    parameters.locale
-  )
-
   return server.initialize(
     parameters,
-    createTypeScriptProject(
-      typescript,
-      diagnosticMessages,
-      ({configFileName}) => ({
-        languagePlugins: getLanguagePlugins(configFileName)
-      })
-    ),
-    getLanguageServicePlugins()
-  )
-
-  function getLanguageServicePlugins() {
-    const plugins = [
+    createSimpleProject([createMdxLanguagePlugin(defaultPlugins)]),
+    [
       createMarkdownServicePlugin({
         getDiagnosticOptions(document, context) {
           return context.env.getConfiguration?.('mdx.validate')
         }
       }),
-      createMdxServicePlugin(connection.workspace)
+      createMdxServicePlugin(connection.workspace),
+      createTypeScriptSyntacticServicePlugin(typescript)
     ]
-
-    if (tsEnabled) {
-      plugins.push(...createTypeScriptServicePlugin(typescript, {}))
-    } else {
-      plugins.push(createTypeScriptSyntacticServicePlugin(typescript))
-    }
-
-    return plugins
-  }
-
-  /**
-   * @param {string | undefined} tsconfig
-   */
-  function getLanguagePlugins(tsconfig) {
-    /** @type {PluggableList | undefined} */
-    let remarkPlugins
-    /** @type {VirtualCodePlugin[] | undefined} */
-    let virtualCodePlugins
-    let checkMdx = false
-    let jsxImportSource = 'react'
-
-    if (tsconfig) {
-      const cwd = path.dirname(tsconfig)
-      const configSourceFile = typescript.readJsonConfigFile(
-        tsconfig,
-        typescript.sys.readFile
-      )
-      const commandLine = typescript.parseJsonSourceFileConfigFileContent(
-        configSourceFile,
-        typescript.sys,
-        cwd,
-        undefined,
-        tsconfig
-      )
-
-      const require = createRequire(tsconfig)
-
-      ;[remarkPlugins, virtualCodePlugins] = resolvePlugins(
-        commandLine.raw?.mdx,
-        (name) => require(name).default
-      )
-      checkMdx = Boolean(commandLine.raw?.mdx?.checkMdx)
-      jsxImportSource = commandLine.options.jsxImportSource || jsxImportSource
-    }
-
-    return [
-      createMdxLanguagePlugin(
-        remarkPlugins || defaultPlugins,
-        virtualCodePlugins,
-        checkMdx,
-        jsxImportSource
-      )
-    ]
-  }
+  )
 })
 
-connection.onInitialized(() => {
-  const extensions = ['mdx']
-  if (tsEnabled) {
-    extensions.push(
-      'cjs',
-      'cts',
-      'js',
-      'jsx',
-      'json',
-      'mjs',
-      'mts',
-      'ts',
-      'tsx'
-    )
-  }
-
-  server.initialized()
-  server.fileWatcher.watchFiles([`**/*.{${extensions.join(',')}}`])
-})
+connection.onInitialized(server.initialized)
 
 connection.listen()
diff --git a/packages/language-server/package.json b/packages/language-server/package.json
index e6e15370..f15f43a7 100644
--- a/packages/language-server/package.json
+++ b/packages/language-server/package.json
@@ -38,6 +38,9 @@
     "volar-service-markdown": "0.0.64",
     "volar-service-typescript": "0.0.64"
   },
+  "peerDependencies": {
+    "typescript": "*"
+  },
   "devDependencies": {
     "@types/node": "^22.0.0",
     "@volar/test-utils": "~2.4.0",
diff --git a/packages/vscode-mdx/src/extension.js b/packages/vscode-mdx/src/extension.js
index c06f7037..34168b3c 100644
--- a/packages/vscode-mdx/src/extension.js
+++ b/packages/vscode-mdx/src/extension.js
@@ -7,8 +7,7 @@ import * as languageServerProtocol from '@volar/language-server/protocol.js'
 import {
   activateAutoInsertion,
   activateDocumentDropEdit,
-  createLabsInfo,
-  getTsdk
+  createLabsInfo
 } from '@volar/vscode'
 import {
   extensions,
@@ -42,8 +41,6 @@ let disposable
 export async function activate(context) {
   extensions.getExtension('vscode.typescript-language-features')?.activate()
 
-  const {tsdk} = (await getTsdk(context)) ?? {tsdk: ''}
-
   client = new LanguageClient(
     'MDX',
     {
@@ -52,9 +49,6 @@ export async function activate(context) {
     },
     {
       documentSelector: [{language: 'mdx'}],
-      initializationOptions: {
-        typescript: {tsdk}
-      },
       markdown: {
         isTrusted: true,
         supportHtml: true