diff --git a/doc/macos-ci-install/install-homebrew.sh b/doc/macos-ci-install/install-homebrew.sh
index dc131737918c0183e57911a52fd07e86ed8d12f0..a3024f73a4085224607fa44a6750a54318d0b16e 100755
--- a/doc/macos-ci-install/install-homebrew.sh
+++ b/doc/macos-ci-install/install-homebrew.sh
@@ -17,6 +17,6 @@ if [ ! -x ${brew} ]; then
     brew=/opt/homebrew/bin/brew
 fi
 
-${brew} install curl git coreutils zsh zsh-completions zsh-syntax-highlighting highlight neovim tmux htop python@3 pygments
+${brew} install curl git coreutils highlight neovim tmux htop python@3 pygments
 ${brew} link --force curl #keg-only recipe
 ${brew} install --cask mactex