diff -up wordpress/wp-includes/script-loader.php.orig wordpress/wp-includes/script-loader.php
--- wordpress/wp-includes/script-loader.php.orig	2019-02-22 10:52:01.902006889 +0100
+++ wordpress/wp-includes/script-loader.php	2019-02-22 10:52:04.560023086 +0100
@@ -1251,7 +1251,6 @@ function wp_default_scripts( &$scripts )
 	$scripts->add( 'wp-codemirror', '/wp-includes/js/codemirror/codemirror.min.js', array(), '5.29.1-alpha-ee20357' );
 	$scripts->add( 'csslint', '/wp-includes/js/codemirror/csslint.js', array(), '1.0.5' );
 	$scripts->add( 'esprima', '/wp-includes/js/codemirror/esprima.js', array(), '4.0.0' );
-	$scripts->add( 'jshint', '/wp-includes/js/codemirror/fakejshint.js', array( 'esprima' ), '2.9.5' );
 	$scripts->add( 'jsonlint', '/wp-includes/js/codemirror/jsonlint.js', array(), '1.6.2' );
 	$scripts->add( 'htmlhint', '/wp-includes/js/codemirror/htmlhint.js', array(), '0.9.14-xwp' );
 	$scripts->add( 'htmlhint-kses', '/wp-includes/js/codemirror/htmlhint-kses.js', array( 'htmlhint' ) );