diff --git a/.ci/install-vim.ps1 b/.ci/install-vim.ps1
deleted file mode 100644
index 1ab1925..0000000
--- a/.ci/install-vim.ps1
+++ /dev/null
@@ -1,13 +0,0 @@
-$zip = $Env:APPVEYOR_BUILD_FOLDER + '\vim.zip'
-$vim = $Env:APPVEYOR_BUILD_FOLDER + '\vim\'
-$redirect = Invoke-WebRequest -URI 'http://vim-jp.org/redirects/koron/vim-kaoriya/latest/win64/'
-(New-Object Net.WebClient).DownloadFile($redirect.Links[0].href, $zip)
-[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem') > $null
-[System.IO.Compression.ZipFile]::ExtractToDirectory($zip, $vim)
-
-$zip = $Env:APPVEYOR_BUILD_FOLDER + '\nvim-win64.zip'
-$nvim = $Env:APPVEYOR_BUILD_FOLDER + '\nvim-win64\'
-$url = 'https://github.com/neovim/neovim/releases/download/nightly/nvim-win64.zip'
-(New-Object Net.WebClient).DownloadFile($url, $zip)
-[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem') > $null
-[System.IO.Compression.ZipFile]::ExtractToDirectory($zip, $nvim)
diff --git a/.ci/install-vim.sh b/.ci/install-vim.sh
deleted file mode 100755
index 6e6c35e..0000000
--- a/.ci/install-vim.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-
-set -ev
-
-case "$TRAVIS_OS_NAME" in
-    linux)
-        cd "$HOME"
-        curl -LO https://github.com/neovim/neovim/releases/download/nightly/nvim-linux64.tar.gz
-        tar xzf nvim-linux64.tar.gz
-        if [ -x "$HOME/vim/bin/vim" ]; then
-            echo "Will use cache at $HOME/vim"
-            exit 0
-        fi
-        git clone --depth 1 --single-branch https://github.com/vim/vim /tmp/vim
-        cd /tmp/vim
-        ./configure --prefix="${HOME}/vim" --with-features=huge --enable-fail-if-missing
-        make -j2
-        make install
-        ;;
-    osx)
-        brew install macvim
-        cd "$HOME"
-        curl -LO https://github.com/neovim/neovim/releases/download/nightly/nvim-macos.tar.gz
-        tar xzf nvim-macos.tar.gz
-        ;;
-    *)
-        echo "Unknown OS: $TRAVIS_OS_NAME"
-        exit 1
-        ;;
-esac