diff --git a/src/index.php b/src/index.php
index 379d063f60..b7a223bead 100644
--- a/src/index.php
+++ b/src/index.php
@@ -50,8 +50,8 @@ $die .= '</ul>';
 $die .= '<p>' . sprintf(
 	/* translators: 1: NPM URL, 2: Grunt URL, 3: Handbook URL */
 	__( 'This requires <a href="%1$s">NPM</a> and <a href="%2$s">Grunt</a>. <a href="%3$s">Read more about setting up your local development environment</a>.' ),
-	'https://www.npmjs.com/',
-	'https://gruntjs.com/',
+	'https://www.npmjs.com/get-npm',
+	'https://gruntjs.com/getting-started',
 	__( 'https://make.wordpress.org/core/handbook/tutorials/installing-wordpress-locally/' )
 ) . '</p>';
 
diff --git a/src/wp-admin/index.php b/src/wp-admin/index.php
index 190b85db2f..6db93a9df4 100644
--- a/src/wp-admin/index.php
+++ b/src/wp-admin/index.php
@@ -11,48 +11,4 @@ if ( file_exists( dirname( __FILE__ ) . '/../wp-includes/js/dist/edit-post.js' )
 	return;
 }
 
-/** Define ABSPATH as this file's directory */
-if ( ! defined( 'ABSPATH' ) ) {
-	define( 'ABSPATH', dirname( __FILE__ ) . '/../' );
-}
-
-define( 'WPINC', 'wp-includes' );
-require_once( ABSPATH . WPINC . '/load.php' );
-
-// Standardize $_SERVER variables across setups.
-wp_fix_server_vars();
-
-require_once( ABSPATH . WPINC . '/functions.php' );
-define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
-require_once( ABSPATH . WPINC . '/version.php' );
-
-wp_check_php_mysql_versions();
-wp_load_translations_early();
-
-// Die with an error message
-$die = __( 'You are running WordPress without JavaScript and CSS files. These need to be built.' ) . '</p>';
-
-$die .= '<p>' . sprintf(
-	/* translators: %s: npm install */
-	__( 'Before running any grunt tasks you need to make sure the dependencies are installed. You can install these by running %s.' ),
-	'<code style="color: green;">npm install</code>'
-) . '</p>';
-
-$die .= '<ul>';
-$die .= '<li>' . __( 'To build WordPress while developing, run:' ) . '<br /><br />';
-$die .= '<code style="color: green;">grunt build --dev</code></li>';
-$die .= '<li>' . __( 'To build files automatically when changing the source files, run:' ) . '<br /><br />';
-$die .= '<code style="color: green;">grunt watch</code></li>';
-$die .= '<li>' . __( 'To create a production build of WordPress, run:' ) . '<br /><br />';
-$die .= '<code style="color: green;">grunt build</code></li>';
-$die .= '</ul>';
-
-$die .= '<p>' . sprintf(
-	/* translators: 1: NPM URL, 2: Grunt URL, 3: Handbook URL */
-	__( 'This requires <a href="%1$s">NPM</a> and <a href="%2$s">Grunt</a>. <a href="%3$s">Read more about setting up your local development environment</a>.' ),
-	'https://www.npmjs.com/',
-	'https://gruntjs.com/',
-	__( 'https://make.wordpress.org/core/handbook/tutorials/installing-wordpress-locally/' )
-) . '</p>';
-
-wp_die( $die, __( 'WordPress &rsaquo; Error' ) );
+require_once dirname( dirname( __FILE__ ) ) . '/index.php';