/* Disable Windows Live Writer */
remove_action('wp_head', 'wlwmanifest_link');Add this code to your child theme’s functions.php to remove wlwmanifest.xml link in WordPress. By default, WordPress adds a wlwmanifest link to your site’s header to support Windows Live Writer as shown below.
<link rel=”wlwmanifest” type=”application/wlwmanifest+xml” href=”https://wpf.jaxn.in/wp-includes/wlwmanifest.xml” />
Once the above code is added, confirm by searching for ‘wlwmanifest’ in the source code.