diff --git a/.github/workflows/test-build-nextjs.yml b/.github/workflows/test-build-nextjs.yml
new file mode 100644
index 00000000..4803e768
--- /dev/null
+++ b/.github/workflows/test-build-nextjs.yml
@@ -0,0 +1,61 @@
+# To not merge, if build fails
+name: Test Next.js build
+
+on:
+  # For new PRs, or those who are ready and/or request a review
+  pull_request:
+    types: ["opened", "edited", "reopened", "synchronize", "ready_for_review", "review_requested"]
+    branches: ["main"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: "test-build"
+  cancel-in-progress: true
+
+jobs:
+  test-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "16"
+          cache: yarn
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v2
+        with:
+          # Automatically inject basePath in your Next.js configuration file and disable
+          # server side image optimization (https://nextjs.org/docs/api-reference/next/image#unoptimized).
+          #
+          # You may remove this line if you want to manage the configuration yourself.
+          static_site_generator: next
+
+      - name: Restore cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            .next/cache
+          # Generate a new cache whenever packages or source files change.
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
+          # If source files changed but packages didn't, rebuild from a prior cache.
+          restore-keys: |
+            ${{ runner.os }}-nextjs-${{ hashFiles('**/yarn.lock') }}-
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Build documentation
+        run: yarn build-pages
\ No newline at end of file
diff --git a/next.config.js b/next.config.js
index 981c53c7..5c4c379d 100644
--- a/next.config.js
+++ b/next.config.js
@@ -55,11 +55,12 @@ export default withNextra({
   images: {
     unoptimized: true
   },
-  i18n: {
-    // locales: ['en', 'zh'],
-    locales: ['en'],
-    defaultLocale: 'en'
-  },
+  // i18n: {
+  //   // locales: ['default', 'en', 'zh'],
+  //   locales: ['default', 'en'],
+  //   defaultLocale: 'default',
+  //   // localeDetection: false,
+  // },
   redirects: () => [
     // Language→Guides pages are moved under Book section
     {
diff --git a/package.json b/package.json
index 5651acc8..8ac43b65 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
     "dev": "yarn clean && next",
     "build": "yarn clean && next build",
     "post-build": "echo 'spell checking, link checking, formatting'",
-    "build-pages": "yarn build && next export"
+    "build-pages": "yarn build && next export",
+    "next": "next"
   },
   "devDependencies": {
     "@svgr/webpack": "^8.1.0",
diff --git a/theme.config.jsx b/theme.config.jsx
index 75f6eb51..fd229a43 100644
--- a/theme.config.jsx
+++ b/theme.config.jsx
@@ -35,10 +35,10 @@ const config = {
     link: 'https://github.com/tact-lang/tact-docs',
   },
   docsRepositoryBase: 'https://github.com/tact-lang/tact-docs/edit/main/',
-  i18n: [
-    { locale: 'en', text: 'English' },
-    // { locale: 'zh', text: '中文' },
-  ],
+  // i18n: [
+  //   { locale: 'en', text: 'English' },
+  //   // { locale: 'zh', text: '中文' },
+  // ],
   sidebar: {
     autoCollapse: true,
     defaultMenuCollapseLevel: 1,
@@ -47,15 +47,15 @@ const config = {
   feedback: {
     content: null
   },
-  editLink: {
-    text: function useText() {
-      const { locale } = useRouter()
-      return {
-        'en': 'Edit this page on GitHub',
-        // 'zh': '在 GitHub 上编辑此页',
-      }[locale ?? "en"]
-    }
-  },
+  // editLink: {
+  //   text: function useText() {
+  //     const { locale } = useRouter()
+  //     return {
+  //       'en': 'Edit this page on GitHub',
+  //       // 'zh': '在 GitHub 上编辑此页',
+  //     }[locale ?? "en"]
+  //   }
+  // },
   footer: {
     text: <span>
       CC BY 4.0, Tact Software Foundation