Stop WordPress from Including jQuery Migrate File

Add the following code to remove the jQuery migrate on the front-end of your website.

add_filter( 'wp_default_scripts', 'remove_jquery_migrate' );

function remove_jquery_migrate( &$scripts)
{
    if(!is_admin())
    {
        $scripts->remove( 'jquery');
        $scripts->add( 'jquery', false, array( 'jquery-core' ), '1.10.2' );
    }
}

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