diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index bfcd5ce..28410ac 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -24,10 +24,14 @@ jobs:
 
       - name: Build book
         working-directory: ./docs
-        run: mdbook build
+        run: mdbook build --lang=en
+
+      - name: Check Korean translation
+        working-directory: ./docs
+        run: mdbook build --lang=ko
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GH_TOKEN }}
-          publish_dir: docs/book
+          publish_dir: docs/book
\ No newline at end of file
diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
deleted file mode 100644
index bac4e09..0000000
--- a/docs/src/SUMMARY.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Summary
-
-# English
-- [Introduction](en/introduction.md)
-
-# 한국어
-- [소개](ko/introduction.md)
\ No newline at end of file