diff --git a/.github/workflows/check-misskey-js-autogen.yml b/.github/workflows/check-misskey-js-autogen.yml
deleted file mode 100644
index 0b34cdc202..0000000000
--- a/.github/workflows/check-misskey-js-autogen.yml
+++ /dev/null
@@ -1,127 +0,0 @@
-name: Check Misskey JS autogen
-
-on:
-  pull_request:
-    branches:
-      - master
-      - develop
-    paths:
-      - packages/backend/**
-
-jobs:
-  check-misskey-js-autogen:
-    runs-on: ubuntu-latest
-    permissions:
-      pull-requests: write
-
-    env:
-      api_json_names: "api-base.json api-head.json"
-
-    steps:
-      - name: checkout
-        uses: actions/checkout@v4
-        with:
-          submodules: true
-
-      - name: setup pnpm
-        uses: pnpm/action-setup@v2
-        with:
-          version: 8
-
-      - name: setup node
-        id: setup-node
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: '.node-version'
-          cache: pnpm
-
-      - name: install dependencies
-        run: pnpm i --frozen-lockfile
-
-      - name: wait get-api-diff
-        uses: lewagon/wait-on-check-action@v1.3.3
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          check-regexp: get-from-misskey .+
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          wait-interval: 30
-
-      - name: Download artifact
-        uses: actions/github-script@v7
-        with:
-          script: |
-            const fs = require('fs');
-
-            const workflows = await github.rest.actions.listWorkflowRunsForRepo({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              head_sha: `${{ github.event.pull_request.head.sha }}`
-            }).then(x => x.data.workflow_runs);
-
-            console.log(workflows.map(x => ({name: x.name, title: x.display_title})));
-
-            const run_id = workflows.find(x => x.name.includes("Get api.json from Misskey")).id;
-
-            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
-               owner: context.repo.owner,
-               repo: context.repo.repo,
-               run_id: run_id,
-            });
-
-            let matchArtifacts = allArtifacts.data.artifacts.filter((artifact) => {
-              return artifact.name.startsWith("api-artifact-") || artifact.name == "api-artifact"
-            });
-
-            await Promise.all(matchArtifacts.map(async (artifact) => {
-              let download = await github.rest.actions.downloadArtifact({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                artifact_id: artifact.id,
-                archive_format: 'zip',
-              });
-              await fs.promises.writeFile(`${process.env.GITHUB_WORKSPACE}/${artifact.name}.zip`, Buffer.from(download.data));
-            }));
-
-      - name: unzip artifacts
-        run: |-
-          find . -mindepth 1 -maxdepth 1 -type f -name '*.zip' -exec unzip {} -d . ';'
-          ls -la
-
-      - name: build autogen
-        run: |-
-          for name in $(echo $api_json_names)
-          do
-            checksum=$(mktemp)
-            mv $name packages/misskey-js/generator/api.json
-
-            cd packages/misskey-js/generator
-            pnpm run generate
-            find built -type f -exec sh -c 'echo $(sed -E "s/^\s+\*\s+generatedAt:.+$//" {} | sha256sum | cut -d" " -f 1) {}' \; > $checksum
-            cd ../../..
-            cp $checksum ${name}_checksum
-          done
-
-      - name: check update for type definitions
-        run: diff $(echo -n ${api_json_names} | awk -v RS=" " '{ printf "%s_checksum ", $0 }')
-
-      - name: send message
-        if: failure()
-        uses: thollander/actions-comment-pull-request@v2
-        with:
-          comment_tag: check-misskey-js-autogen
-          message: |-
-            Thank you for sending us a great Pull Request! 👍
-            Please regenerate misskey-js type definitions! 🙏
-
-            example:
-            ```sh
-            pnpm run build-misskey-js-with-types
-            ```
-
-      - name: send message
-        if: success()
-        uses: thollander/actions-comment-pull-request@v2
-        with:
-          comment_tag: check-misskey-js-autogen
-          mode: delete
-          message: "Thank you!"