I am currently running a few plugins (git gutter, fugitive), and it appears that one of them has overridden the behavior of Control-W,= so that instead of making vertically split windows have equal height, it maximizes the height of the top one.

I would like to restore the original behavior, so I tried to look for the mapping in the output of :map and :nmap, but I did not see it.

Is there a different place to look for figuring out how to undo this mapping (or some option that is changing this behavior)?

  • Are you sure you’re not pressing <C-w>_, which might be similar to your equal key? That would maximize height I believe.
    – D. Ben Knoble
    Jan 22, 2021 at 12:39
  • Yup, I'm sure. Because vim -u None does not exhibit the bad behavior.
    – merlin2011
    Jan 22, 2021 at 23:31

1 Answer 1


I just did a binary search on my vimrc and plugins and discovered the following line in my vimrc that caused this strange behavior:

set laststatus=3

When I commented this out, the silly behavior went away.

  • Indeed. And behavior is really odd under that setting. Documentation suggests it should only be set to 0, 1 or 2, so wondering why it behaves so oddly under value 3... (Perhaps a mix of behavior of 1 and 2?) Looks like a bug to me, consider reporting it upstream.
    – filbranden
    Feb 21, 2021 at 15:32

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