After updating to V6, lighttpd is unnessary for Pi-hole. If that was all you used it for, you can remove it.
sudo apt remove lighttpd --purge -y && sudo apt autoremove -y && sudo apt autoclean -y
After updating to V6, lighttpd is unnessary for Pi-hole. If that was all you used it for, you can remove it.
sudo apt remove lighttpd --purge -y && sudo apt autoremove -y && sudo apt autoclean -y