diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b1e7bd2..22b8356 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,8 +23,6 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - name: Install
         run: npm ci
-      - name: Bootstrap
-        run: npm run bootstrap
       - name: Lint
         run: npm run lint
       - name: Test
diff --git a/package.json b/package.json
index 83ae7fe..044ff3b 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,6 @@
         "yorkie": "^2.0.0"
     },
     "scripts": {
-        "bootstrap": "lerna bootstrap --ci",
         "prebuild": "rm -rf \"**/node_modules\" && npm ci && lerna bootstrap --ci",
         "build": "lerna run build",
         "format": "run-p format:*",