Login-Register always show

hi
in my homepage i want delete "login" and "register"
in backend i delete login module and registe rmodule but i always see it on home page.
i put snap here.
how delete it?
i need to delete some part of code?
and whic code it is?
thanks!!!

login.jpg

By delete you mean disable module or uninstall it from Joomla! ? The pop-up is visible or simply just buttons ? It will be much easier to help you when you provide a URL to your site.