diff --git a/.github/workflows/update-lmarena.yml b/.github/workflows/update-lmarena.yml
deleted file mode 100644
index c66e8fc6..00000000
--- a/.github/workflows/update-lmarena.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-
-name: Update LLM Arena Rankings
-
-on:
-  schedule:
-    - cron: '0 0 * * *'  # 每天 UTC 0:00 运行（北京时间 8:00）
-  workflow_dispatch:      # 允许手动触发
-
-jobs:
-  update-rankings:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    
-    steps:
-      # 步骤1: 检出代码
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      
-      # 步骤2: 设置 Python 环境
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.x'
-      
-      # 步骤3: 安装依赖包
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install requests pandas tabulate
-      
-      # 步骤4: 运行更新脚本
-      - name: Update Rankings
-        env:
-          LMARENA_KEY: ${{ secrets.LMARENA_KEY }}
-        run: |
-          python .github/scripts/update_lmarena.py
-      
-      # 步骤5: 提交更改（如果有）
-      - name: Commit and push if changed
-        run: |
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
-          git config --global user.name "github-actions[bot]"
-          git add other/model_rank/lmarena.md
-          if git diff --staged --quiet; then
-            echo "No changes to commit"
-          else
-            git commit -m "Update LLM Arena Rankings $(date '+%Y-%m-%d')"
-            git push
-          fi