diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 7e09f93..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-# Golang CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-go/ for more details
-version: 2
-jobs:
-  build:
-    docker:
-      - image: circleci/golang:latest
-
-    working_directory: /go/src/github.com/shu-go/vvin
-
-    environment:
-      - GOPATH: /home/circleci/go
-
-    steps:
-      - run: echo 'export PATH=${GOPATH}/bin/:${PATH}' >> $BASH_ENV
-      - checkout
-      - run: go get -u  github.com/Songmu/goxz/cmd/goxz  github.com/tcnksm/ghr
-      - run: goxz -pv $(git describe --abbrev=0)  -os "windows"  -arch="386 amd64" -build-ldflags "-s -w -X main.Version=$(git describe --abbrev=0)" -include sample.bat
-      - run: ghr -t $GITHUB_TOKEN  -u shu-go  --replace $(git describe --abbrev=0)  goxz/
-
-workflows:
-  version: 2
-  test-build:
-    jobs:
-      - build:
-          filters:
-            branches:
-              only:
-                - master
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
deleted file mode 100644
index 4ed48de..0000000
--- a/.github/workflows/release.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: release
-on:
-  push:
-    tags:
-    - "v[0-9]+.[0-9]+.[0-9]+"
-jobs:
-  goreleaser:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Setup Go
-        uses: actions/setup-go@v2
-      - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v2
-        with:
-          version: latest
-          args: release --rm-dist
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.goreleaser.yml b/.goreleaser.yml
deleted file mode 100644
index 234f04e..0000000
--- a/.goreleaser.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-project_name: vvin
-env:
-  - GO111MODULE=on
-before:
-  hooks:
-    - go mod tidy
-builds:
-  - binary: vvin
-    flags:
-      - -trimpath
-    ldflags:
-      - -s -w
-      - -X main.Version={{.Version}}
-      - -X main.Revision={{.ShortCommit}}
-    env:
-      - CGO_ENABLED=0
-    goos:
-      - windows
-      #- darwin
-      #- linux
-    goarch:
-      - amd64
-      - 386
-    hooks:
-      post: upx --lzma '{{ .Path }}'
-archives:
-  - name_template: '{{ .ProjectName }}_v{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}'
-    replacements:
-      darwin: darwin
-      linux: linux
-      windows: windows
-      386: 386
-      amd64: amd64
-    format_overrides:
-      - goos: windows
-        format: zip
-release:
-  prerelease: auto