I recently installed vim7.3 using "--with-features=big", because I like almost all of those features. However, one thing that it does that I don't like is enables tab-completion: in normal mode, if you hit tab, vim "intelligently" begins omni-completion if you're near a "word".
Now, I use the Smart Tabs plugin, and I need my tab key to not be auto-complete. However, I like all the other "--with-features=big" features, and I'm loathe to go down to "--with-features=normal", which doesn't affect my tab key.
Does anyone know how to disable the tab-completion when compiling vim --with-features=huge?

:verbose nmap <tab>. – garyjohn Oct 4 '10 at 16:54