How to disable mouse in Neovim?

Question

I'm on Arch Linux with alacritty, zsh and neovim nightly (NVIM v0.5.0-dev+1069-g02a966386). I've read several posts on disabling the mouse in vim including 13566 and have put the following in my init.vim

" disable mouse
map <ScrollWheelUp> <nop>
map <S-ScrollWheelUp> <nop>
map <C-ScrollWheelUp> <nop>
map <ScrollWheelDown> <nop>
map <S-ScrollWheelDown> <nop>
map <C-ScrollWheelDown> <nop>
map <ScrollWheelLeft> <nop>
map <S-ScrollWheelLeft> <nop>
map <C-ScrollWheelLeft> <nop>
map <ScrollWheelRight> <nop>
map <S-ScrollWheelRight> <nop>
map <C-ScrollWheelRight> <nop>
set mouse=

I've also tried set ttymouse= but nvim complains E518: Unknown option: ttymouse=.

With the above settings, the cursor still moves when I scroll.

How do I fully disable mouse actions in neovim?

Answer 1

For those googling, the option name in neovim is just mouse:

set mouse=