diff --git a/publish b/publish
deleted file mode 100755
index 7532a1a..0000000
--- a/publish
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-BASE_DIR="$(cd "$(dirname "$0")"; pwd)"
-NUPKG_BASENAME='Dena.CodeAnalysis.Testing.nupkg'
-
-
-throw() {
-	local msg="$*"
-	printf '%s\n' "$msg" 1>&2
-	false
-}
-
-
-has() {
-	local cmd="$1"
-	which "$cmd" >/dev/null 2>&1
-}
-
-
-usage() {
-	cat - 1>&2 <<-EOS
-usage: publish [<options>]
-
-OPTIONS
-	-h, --help	print this help
-EOS
-}
-
-
-get-version() {
-	(cd "$BASE_DIR"
-		grep -o '<PackageVersion>[^<]*</PackageVersion>' ./src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj | sed 's/<PackageVersion>\([^<]*\).*/\1/'
-	)
-}
-
-
-validate-env() {
-	has dotnet || throw "dotnet must be installed (see https://docs.microsoft.com/ja-jp/dotnet/core/tools/)"
-}
-
-
-acquire-tag() {
-	(cd "$BASE_DIR"
-		local version="$1"
-		if (git tag | grep -Fqx "$version"); then
-			throw "a tag has the same name exists on local, so if still you want to overwrite the tag, please remove the tag on local and try again.: '$version'"
-		fi
-		git tag "$version"
-	)
-}
-
-
-build() {
-	local dst="$1"
-	local version="$2"
-
-	(cd "$BASE_DIR"
-		dotnet build --no-incremental
-
-		local nupkg_orig
-		nupkg_orig="./src/Dena.CodeAnalysis.Testing/bin/Debug/Dena.CodeAnalysis.Testing.${version}.nupkg"
-		[[ -f "$nupkg_orig" ]] || throw "no .nupkg found at '$nupkg_orig'"
-
-		cp "$nupkg_orig" "$dst"
-	)
-}
-
-
-main() {
-	local arg="${1:-}"
-	if [[ "$arg" == "--help" ]] || [[  "$arg" == "-h" ]]; then
-		usage
-		false
-	fi
-	if [[ "$arg" == "--version" ]] || [[  "$arg" == "-v" ]]; then
-		get-version
-		exit 0
-	fi
-
-	validate-env
-
-	local version
-	version="$(get-version)"
-	acquire-tag "$version"
-
-	local nupkg="./${NUPKG_BASENAME}"
-	build "$nupkg" "$version"
-
-    dotnet nuget push "$nupkg" -Source https://api.nuget.org/v3/index.json
-	git push origin "$version"
-}
-
-
-main "$@"