diff --git a/lib/index.js b/lib/index.js
index 881ebc7f..cef02788 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -94,7 +94,6 @@
  */
 
 import {toJsxRuntime} from 'hast-util-to-jsx-runtime'
-import PropTypes from 'prop-types'
 // @ts-expect-error: untyped.
 import {Fragment, jsx, jsxs} from 'react/jsx-runtime'
 import remarkParse from 'remark-parse'
@@ -299,62 +298,6 @@ export function Markdown(options) {
   }
 }
 
-Markdown.propTypes = {
-  // Core options:
-  children: PropTypes.string,
-  // Layout options:
-  className: PropTypes.string,
-  // Filter options:
-  allowElement: PropTypes.func,
-  allowedElements: PropTypes.arrayOf(PropTypes.string),
-  disallowedElements: PropTypes.arrayOf(PropTypes.string),
-  unwrapDisallowed: PropTypes.bool,
-  // Plugin options:
-  remarkPlugins: PropTypes.arrayOf(
-    PropTypes.oneOfType([
-      PropTypes.object,
-      PropTypes.func,
-      PropTypes.arrayOf(
-        PropTypes.oneOfType([
-          PropTypes.bool,
-          PropTypes.string,
-          PropTypes.object,
-          PropTypes.func,
-          PropTypes.arrayOf(
-            // prettier-ignore
-            // type-coverage:ignore-next-line
-            PropTypes.any
-          )
-        ])
-      )
-    ])
-  ),
-  rehypePlugins: PropTypes.arrayOf(
-    PropTypes.oneOfType([
-      PropTypes.object,
-      PropTypes.func,
-      PropTypes.arrayOf(
-        PropTypes.oneOfType([
-          PropTypes.bool,
-          PropTypes.string,
-          PropTypes.object,
-          PropTypes.func,
-          PropTypes.arrayOf(
-            // prettier-ignore
-            // type-coverage:ignore-next-line
-            PropTypes.any
-          )
-        ])
-      )
-    ])
-  ),
-  // Transform options:
-  skipHtml: PropTypes.bool,
-  transformLinkUri: PropTypes.oneOfType([PropTypes.func, PropTypes.bool]),
-  transformImageUri: PropTypes.func,
-  components: PropTypes.object
-}
-
 /**
  * Make a URL safe.
  *
diff --git a/test.jsx b/test.jsx
index ae6bca61..9489c5ef 100644
--- a/test.jsx
+++ b/test.jsx
@@ -55,7 +55,6 @@ test('react-markdown', async function (t) {
     /** @type {unknown} */
     let message
 
-    console.error = function () {}
     console.warn = capture
 
     // @ts-expect-error: check how the runtime handles invalid `children`.
@@ -65,7 +64,6 @@ test('react-markdown', async function (t) {
       '[react-markdown] Warning: please pass a string as `children` (not: `1`)'
     )
 
-    console.error = error
     console.warn = warn
 
     /**
@@ -82,7 +80,6 @@ test('react-markdown', async function (t) {
     /** @type {unknown} */
     let message
 
-    console.error = function () {}
     console.warn = capture
 
     // @ts-expect-error: check how the runtime handles invalid `children`.
@@ -92,7 +89,6 @@ test('react-markdown', async function (t) {
       '[react-markdown] Warning: please pass a string as `children` (not: `true`)'
     )
 
-    console.error = error
     console.warn = warn
 
     /**