Hide help menu from joomla adminpraise backend

In administrator/templates/adminpraise/html/mod_menu/helper.php go to line 238 and comment the following code

$menu->addChild(new JMenuNode(JText::_('Help')), true);
$menu->addChild(new JMenuNode(JText::_('Joomla! Help'), 'index.php?option=com_admin&task=help', 'class:help'));
$menu->addChild(new JMenuNode(JText::_('System Info'), 'index.php?option=com_admin&task=sysinfo', 'class:info'));

$menu->getParent();