diff --git a/blog.njk b/blog.njk
index b357e46..c8fb36e 100644
--- a/blog.njk
+++ b/blog.njk
@@ -329,19 +329,6 @@ permalink: "blog/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNumber
         </a>
       </div>
       {% endif %}
-
-      {# AI usage badge — only show when AI was actually used (level > 0) #}
-      {% set postAi = post.data.ai or {} %}
-      {% set postAiText = post.data.aiTextLevel or post.data.ai_text_level or postAi.textLevel or postAi.aiTextLevel or "0" %}
-      {% set postAiCode = post.data.aiCodeLevel or post.data.ai_code_level or postAi.codeLevel or postAi.aiCodeLevel or "0" %}
-      {% if (postAiText and postAiText !== "0") or (postAiCode and postAiCode !== "0") %}
-      <span class="inline-flex items-center gap-1 mt-2 px-1.5 py-0.5 rounded text-[10px] font-medium bg-surface-100 dark:bg-surface-700 text-surface-600 dark:text-surface-400" title="AI usage: Text level {{ postAiText or '–' }}, Code level {{ postAiCode or '–' }}" data-ai-text-level="{{ postAiText }}" data-ai-code-level="{{ postAiCode or '0' }}" data-ai-used="true">
-        <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.75 3.104v5.714a2.25 2.25 0 01-.659 1.591L5 14.5M9.75 3.104c-.251.023-.501.05-.75.082m.75-.082a24.301 24.301 0 014.5 0m0 0v5.714a2.25 2.25 0 00.659 1.591L19 14.5M14.25 3.104c.251.023.501.05.75.082M19 14.5l-2.47 2.47a2.25 2.25 0 01-1.59.659H9.06a2.25 2.25 0 01-1.591-.659L5 14.5m14 0V17a2 2 0 01-2 2H7a2 2 0 01-2-2v-2.5"/></svg>
-        AI{% if postAiText %}: T{{ postAiText }}{% endif %}{% if postAiCode %}/C{{ postAiCode }}{% endif %}
-        <span class="p-ai-text-level hidden">{{ postAiText }}</span>
-        <span class="p-ai-code-level hidden">{{ postAiCode or "0" }}</span>
-      </span>
-      {% endif %}
     </li>
     {% endfor %}
   </ul>