function plt_hide_ssl_insecure_content_fixer_menus() {
//Hide the "Tools → SSL Tests" menu.
remove_submenu_page('tools.php', 'ssl-insecure-content-fixer-tests');
//Hide the "Settings → SSL Insecure Content" menu.
remove_submenu_page('options-general.php', 'ssl-insecure-content-fixer');
}
add_action('admin_menu', 'plt_hide_ssl_insecure_content_fixer_menus', 11);