# emerge --deselect net-misc/networkmanager
# euse -E networkmanager
# emerge -DNuav world
Then, when terminated
Tell us about # emerge -cp
To have a more "brilliant & claned" /var/lib/portage/world _'_
Usually, with * too (Gentoo & Funtoo), the best thing is that only the "main" softwares are present in the / var / lib / portage / world file. What you want. If in the use flags you enter "networkmanager", it will be installed without "weighing" @world.
I think it takes time to give a check and cleaning in /etc/portage/package.[accept_keywords, use, mask, unmask].
In this way it will be easier to manage and ... if need be "replay your Funtoo in my very intuitive.
Do not include softwares dependencies in world files. In this way Portage will work better: P
If you need to compile or recompile a dependency, use the "emerge --oneshot" (= emerge -1)