diff --git a/docs/_asset/editor.jsx b/docs/_asset/editor.jsx
index 8b3af61ef..8f0939d08 100644
--- a/docs/_asset/editor.jsx
+++ b/docs/_asset/editor.jsx
@@ -204,9 +204,7 @@ function Playground() {
           /** @type {MDXModule} */
           const result = await run(String(file), {
             Fragment,
-            // @ts-expect-error: to do: fix in `hast-util-to-jsx-runtime`.
             jsx,
-            // @ts-expect-error: to do: fix in `hast-util-to-jsx-runtime`.
             jsxs,
             baseUrl: window.location.href
           })
diff --git a/docs/migrating/v3.mdx b/docs/migrating/v3.mdx
index 724d0e66c..b7c249548 100644
--- a/docs/migrating/v3.mdx
+++ b/docs/migrating/v3.mdx
@@ -52,16 +52,9 @@ You will get a runtime error if these features are used in MDX without
 If you passed the `useDynamicImport` option before, remove it, the behavior
 is now the default.
 
-If you use `react/jsx-runtime`, you might get a TypeScript error (such as
-`Property 'Fragment' is missing in type`), because it is typed incorrectly.
-To remediate this, do:
-
 ```tsx
 import {type Fragment, type Jsx, run} from '@mdx-js/mdx'
-import * as runtime_ from 'react/jsx-runtime'
-
-// @ts-expect-error: the automatic react runtime is untyped.
-const runtime: {Fragment: Fragment; jsx: Jsx; jsxs: Jsx} = runtime_
+import * as runtime from 'react/jsx-runtime'
 
 const result = await run('# hi', {...runtime, baseUrl: import.meta.url})
 ```
diff --git a/package-lock.json b/package-lock.json
index 44ac69748..bad11ee6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6998,6 +6998,7 @@
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/hast-util-to-jsx-runtime/-/hast-util-to-jsx-runtime-2.3.0.tgz",
       "integrity": "sha512-H/y0+IWPdsLLS738P8tDnrQ8Z+dj12zQQ6WC11TIM21C8WFVoIxcqWXf2H3hiTVZjF1AWqoimGwrTWecWrnmRQ==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/estree": "^1.0.0",
@@ -7025,12 +7026,14 @@
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/inline-style-parser/-/inline-style-parser-0.2.3.tgz",
       "integrity": "sha512-qlD8YNDqyTKTyuITrDOffsl6Tdhv+UC4hcdAVuQsK4IMQ99nSgd1MIA/Q+jQYoh9r3hVUXhYh7urSRmXPkW04g==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/hast-util-to-jsx-runtime/node_modules/style-to-object": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/style-to-object/-/style-to-object-1.0.6.tgz",
       "integrity": "sha512-khxq+Qm3xEyZfKd/y9L3oIWQimxuc4STrQKtQn8aSDRHb8mFgpukgX1hdzfrMEW6JCjyJ8p89x+IUMVnCBI1PA==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "inline-style-parser": "0.2.3"
@@ -18023,7 +18026,6 @@
         "estree-util-to-js": "^2.0.0",
         "estree-walker": "^3.0.0",
         "hast-util-to-estree": "^3.0.0",
-        "hast-util-to-jsx-runtime": "^2.0.0",
         "markdown-extensions": "^2.0.0",
         "periscopic": "^3.0.0",
         "remark-mdx": "^3.0.0",
diff --git a/packages/mdx/index.js b/packages/mdx/index.js
index e70cea125..40410a626 100644
--- a/packages/mdx/index.js
+++ b/packages/mdx/index.js
@@ -1,7 +1,4 @@
 /**
- * @typedef {import('hast-util-to-jsx-runtime').Fragment} Fragment
- * @typedef {import('hast-util-to-jsx-runtime').Jsx} Jsx
- * @typedef {import('hast-util-to-jsx-runtime').JsxDev} JsxDev
  * @typedef {import('./lib/util/resolve-evaluate-options.js').UseMdxComponents} UseMdxComponents
  * @typedef {import('./lib/compile.js').CompileOptions} CompileOptions
  * @typedef {import('./lib/core.js').ProcessorOptions} ProcessorOptions
diff --git a/packages/mdx/lib/util/resolve-evaluate-options.js b/packages/mdx/lib/util/resolve-evaluate-options.js
index 0b9a05b84..43c41a7d2 100644
--- a/packages/mdx/lib/util/resolve-evaluate-options.js
+++ b/packages/mdx/lib/util/resolve-evaluate-options.js
@@ -1,5 +1,4 @@
 /**
- * @import {Fragment, Jsx, JsxDev} from 'hast-util-to-jsx-runtime'
  * @import {MDXComponents} from 'mdx/types.js'
  * @import {CompileOptions} from '../compile.js'
  */
@@ -27,13 +26,13 @@
  *   this option can also be given at compile time in `CompileOptions`;
  *   you should pass this (likely at runtime), as you might get runtime errors
  *   when using `import.meta.url` / `import` / `export … from ` otherwise.
- * @property {Fragment} Fragment
+ * @property {unknown} Fragment
  *   Symbol to use for fragments (**required**).
- * @property {Jsx | null | undefined} [jsx]
+ * @property {unknown} [jsx]
  *   Function to generate an element with static children in production mode.
- * @property {JsxDev | null | undefined} [jsxDEV]
+ * @property {unknown} [jsxDEV]
  *   Function to generate an element in development mode.
- * @property {Jsx | null | undefined} [jsxs]
+ * @property {unknown} [jsxs]
  *   Function to generate an element with dynamic children in production mode.
  * @property {UseMdxComponents | null | undefined} [useMDXComponents]
  *   Function to get components from context.
diff --git a/packages/mdx/package.json b/packages/mdx/package.json
index 290fc84a5..2a73acc2f 100644
--- a/packages/mdx/package.json
+++ b/packages/mdx/package.json
@@ -54,7 +54,6 @@
     "estree-util-to-js": "^2.0.0",
     "estree-walker": "^3.0.0",
     "hast-util-to-estree": "^3.0.0",
-    "hast-util-to-jsx-runtime": "^2.0.0",
     "markdown-extensions": "^2.0.0",
     "periscopic": "^3.0.0",
     "remark-mdx": "^3.0.0",
diff --git a/packages/mdx/test/evaluate.js b/packages/mdx/test/evaluate.js
index 52b804313..691f1f892 100644
--- a/packages/mdx/test/evaluate.js
+++ b/packages/mdx/test/evaluate.js
@@ -1,23 +1,12 @@
-/**
- * @import {Fragment, Jsx, JsxDev} from '@mdx-js/mdx'
- */
-
 import assert from 'node:assert/strict'
 import {test} from 'node:test'
 import {evaluate, evaluateSync, compile} from '@mdx-js/mdx'
 import * as provider from '@mdx-js/react'
 import {renderToStaticMarkup} from 'react-dom/server'
-import * as runtime_ from 'react/jsx-runtime'
-import * as devRuntime_ from 'react/jsx-dev-runtime'
+import * as runtime from 'react/jsx-runtime'
+import * as developmentRuntime from 'react/jsx-dev-runtime'
 import React from 'react'
 
-/** @type {{Fragment: Fragment, jsx: Jsx, jsxs: Jsx}} */
-// @ts-expect-error: the automatic react runtime is untyped.
-const runtime = runtime_
-/** @type {{Fragment: Fragment, jsxDEV: JsxDev}} */
-// @ts-expect-error: the automatic dev react runtime is untyped.
-const developmentRuntime = devRuntime_
-
 test('@mdx-js/mdx: evaluate', async function (t) {
   await t.test('should throw on missing `Fragment`', async function () {
     try {
diff --git a/packages/preact/test/index.jsx b/packages/preact/test/index.jsx
index c7e7760e4..0de28e625 100644
--- a/packages/preact/test/index.jsx
+++ b/packages/preact/test/index.jsx
@@ -2,7 +2,6 @@
 /* @jsxImportSource preact */
 
 /**
- * @import {Fragment, Jsx} from '@mdx-js/mdx'
  * @import {ComponentProps} from 'preact'
  */
 
@@ -10,13 +9,9 @@ import assert from 'node:assert/strict'
 import {test} from 'node:test'
 import {evaluate} from '@mdx-js/mdx'
 import {MDXProvider, useMDXComponents} from '@mdx-js/preact'
-import * as runtime_ from 'preact/jsx-runtime'
+import * as runtime from 'preact/jsx-runtime'
 import {render} from 'preact-render-to-string'
 
-const runtime = /** @type {{Fragment: Fragment, jsx: Jsx, jsxs: Jsx}} */ (
-  runtime_
-)
-
 test('@mdx-js/preact', async function (t) {
   await t.test('should expose the public api', async function () {
     assert.deepEqual(Object.keys(await import('@mdx-js/preact')).sort(), [
diff --git a/packages/react/test/index.jsx b/packages/react/test/index.jsx
index fa67f0148..683034a4e 100644
--- a/packages/react/test/index.jsx
+++ b/packages/react/test/index.jsx
@@ -1,5 +1,4 @@
 /**
- * @import {Fragment, Jsx} from '@mdx-js/mdx'
  * @import {ComponentProps} from 'react'
  */
 
@@ -8,13 +7,9 @@ import {test} from 'node:test'
 import {evaluate} from '@mdx-js/mdx'
 import {MDXProvider, useMDXComponents} from '@mdx-js/react'
 import React from 'react'
-import * as runtime_ from 'react/jsx-runtime'
+import * as runtime from 'react/jsx-runtime'
 import {renderToString} from 'react-dom/server'
 
-const runtime = /** @type {{Fragment: Fragment, jsx: Jsx, jsxs: Jsx}} */ (
-  /** @type {unknown} */ (runtime_)
-)
-
 test('@mdx-js/react', async function (t) {
   await t.test('should expose the public api', async function () {
     assert.deepEqual(Object.keys(await import('@mdx-js/preact')).sort(), [
diff --git a/packages/vue/test/index.js b/packages/vue/test/index.js
index 3a6bbdfde..3feea4683 100644
--- a/packages/vue/test/index.js
+++ b/packages/vue/test/index.js
@@ -1,5 +1,4 @@
 /**
- * @import {Fragment, Jsx} from '@mdx-js/mdx'
  * @import {MDXModule} from 'mdx/types.js'
  * @import {Component} from 'vue'
  */
@@ -8,13 +7,9 @@ import assert from 'node:assert/strict'
 import test from 'node:test'
 import {compile, run} from '@mdx-js/mdx'
 import {MDXProvider, useMDXComponents} from '@mdx-js/vue'
-import * as runtime_ from 'vue/jsx-runtime'
+import * as runtime from 'vue/jsx-runtime'
 import * as vue from 'vue'
 
-const runtime = /** @type {{Fragment: Fragment, jsx: Jsx, jsxs: Jsx}} */ (
-  /** @type {unknown} */ (runtime_)
-)
-
 // Note: a regular import would be nice but that completely messes up the JSX types.
 const name = '@vue/server-renderer'
 /** @type {{default: {renderToString(node: unknown): string}}} */