Add this to your functions.php to remove the All In One SEO comments from your header file.
// REMOVE ALL IN ONE SEO HEADER COMMENTS
if (defined('AIOSEOP_VERSION')) {
add_action('get_header', function() {
ob_start(
function($o) {
return preg_replace('/\n?<.*?One SEO Pack.*?>/mi','',$o);
}
);
});
add_action('wp_head', function() {
ob_end_flush();
}, 999);
}
Also for SEO Framework:
// REMOVE SEO FRAMEWORK HEADER COMMENTS
if (defined('THE_SEO_FRAMEWORK_VERSION')) {
add_action('get_header', function() {
ob_start(
function($o) {
return preg_replace('/\n?<.*?The SEO Framework.*?>/mi','',$o);
}
);
});
add_action('wp_head', function() {
ob_end_flush();
}, 999);
}