diff --git a/extension.json b/extension.json
index 91e503146..9c50c0e6d 100644
--- a/extension.json
+++ b/extension.json
@@ -207,13 +207,6 @@
 				"mobile"
 			]
 		},
-		"ext.math.scripts": {
-			"scripts": "ext.math.js",
-			"targets": [
-				"desktop",
-				"mobile"
-			]
-		},
 		"ext.math.popup": {
 			"es6": true,
 			"packageFiles": "ext.math.popup.js",
diff --git a/modules/ext.math.js b/modules/ext.math.js
deleted file mode 100644
index 02b434827..000000000
--- a/modules/ext.math.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/* eslint-disable no-jquery/no-global-selector */
-( function () {
-	'use strict';
-
-	// If MathPlayer is installed we show the MathML rendering.
-	if ( navigator.userAgent.indexOf( 'MathPlayer' ) > -1 ) {
-		$( '.mwe-math-mathml-a11y' ).removeClass( 'mwe-math-mathml-a11y' );
-		$( '.mwe-math-fallback-image-inline, .mwe-math-fallback-image-display' ).css( 'display', 'none' );
-		return;
-	}
-
-}() );
diff --git a/src/HookHandlers/ParserHooksHandler.php b/src/HookHandlers/ParserHooksHandler.php
index f730d9d22..d9167c636 100644
--- a/src/HookHandlers/ParserHooksHandler.php
+++ b/src/HookHandlers/ParserHooksHandler.php
@@ -80,7 +80,6 @@ class ParserHooksHandler implements
 			$parser->getOutput()->addModules( [ 'ext.math.popup' ] );
 		}
 		if ( $mode == MathConfig::MODE_MATHML ) {
-			$parser->getOutput()->addModules( [ 'ext.math.scripts' ] );
 			$marker = Parser::MARKER_PREFIX .
 				'-postMath-' . sprintf( '%08X', $this->mathTagCounter++ ) .
 				Parser::MARKER_SUFFIX;
diff --git a/src/MathDataUpdater.php b/src/MathDataUpdater.php
index 340ad387f..befd59e20 100644
--- a/src/MathDataUpdater.php
+++ b/src/MathDataUpdater.php
@@ -53,7 +53,6 @@ class MathDataUpdater implements StatementDataUpdater {
 	 */
 	public function updateParserOutput( ParserOutput $parserOutput ) {
 		if ( $this->hasMath ) {
-			$parserOutput->addModules( [ 'ext.math.scripts' ] );
 			$parserOutput->addModuleStyles( [ 'ext.math.styles' ] );
 		}
 	}
diff --git a/tests/phpunit/MathDataUpdaterTest.php b/tests/phpunit/MathDataUpdaterTest.php
index 7a31d139a..3708504b3 100644
--- a/tests/phpunit/MathDataUpdaterTest.php
+++ b/tests/phpunit/MathDataUpdaterTest.php
@@ -43,7 +43,6 @@ class MathDataUpdaterTest extends MediaWikiIntegrationTestCase {
 			'addModules',
 			'addModuleStyles',
 		] )->getMock();
-		$parserOutput->expects( $this->never() )->method( 'addModules' );
 		$parserOutput->expects( $this->never() )->method( 'addModuleStyles' );
 		/** @var ParserOutput $parserOutput */
 		$updater->updateParserOutput( $parserOutput );
@@ -58,7 +57,6 @@ class MathDataUpdaterTest extends MediaWikiIntegrationTestCase {
 			'addModules',
 			'addModuleStyles',
 		] )->getMock();
-		$parserOutput->expects( $this->once() )->method( 'addModules' );
 		$parserOutput->expects( $this->once() )->method( 'addModuleStyles' );
 		/** @var ParserOutput $parserOutput */
 		$updater->updateParserOutput( $parserOutput );