08-19-2015, 01:01 PM
If it's the "Advanced" menu option you're talking about I always add the bottom line to my /etc/default/grub file to remove the clutter.
Code:
GRUB_DISTRIBUTOR="LinuxLite64-2.4"
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash"
GRUB_CMDLINE_LINUX=""
# Remove Advanced grub option
GRUB_DISABLE_SUBMENU=y