diff --git a/plugin/assets/src/polyfills/index.js b/plugin/assets/src/polyfills/index.js
deleted file mode 100644
index e3e26050a..000000000
--- a/plugin/assets/src/polyfills/index.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * Copyright 2021 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { useSelect } from '@wordpress/data';
-import '@wordpress/escape-html';
-// eslint-disable-next-line @wordpress/no-unsafe-wp-apis
-import { __experimentalRichText } from '@wordpress/rich-text';
-
-if (
-	window.wp &&
-	window.wp.richText &&
-	! window.wp.richText.__experimentalRichText
-) {
-	window.wp.richText.__experimentalRichText = __experimentalRichText;
-}
-
-if ( window.wp && window.wp.data && ! window.wp.data.useSelect ) {
-	window.wp.data.useSelect = useSelect;
-}
diff --git a/plugin/php/class-block-types.php b/plugin/php/class-block-types.php
index 9be6715a5..c6dcd69ef 100644
--- a/plugin/php/class-block-types.php
+++ b/plugin/php/class-block-types.php
@@ -165,17 +165,6 @@ public function enqueue_block_editor_assets() {
 			}
 		}
 
-		// Enqueue RichText polyfills if WP version is less than 5.3.
-		if ( version_compare( get_bloginfo( 'version' ), '5.3', '<' ) ) {
-			wp_enqueue_script(
-				'material-block-editor-polyfills',
-				$this->plugin->asset_url( 'assets/js/polyfills.js' ),
-				[],
-				$version,
-				false
-			);
-		}
-
 		wp_register_script(
 			'material-block-editor-js',
 			$this->plugin->asset_url( 'assets/js/block-editor.js' ),
diff --git a/webpack.config.js b/webpack.config.js
index 24801930c..58996ba3a 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -121,16 +121,6 @@ const assets = {
 				'./plugin/assets/css/src/getting-started.css',
 			],
 		},
-		{
-			name: 'Polyfills',
-			chunk: 'polyfills',
-			entry: [ './plugin/assets/src/polyfills/index.js' ],
-			toBundle: [
-				'@wordpress/data',
-				'@wordpress/escape-html',
-				'@wordpress/rich-text',
-			],
-		},
 		{
 			name: 'Settings',
 			chunk: 'settings',