diff --git a/lib/routes/cna/utils.ts b/lib/routes/cna/utils.ts
index 57f341871a75..9096ad60ae74 100644
--- a/lib/routes/cna/utils.ts
+++ b/lib/routes/cna/utils.ts
@@ -14,6 +14,13 @@ export async function getFullText(item) {
     const content = load(detailResponse.data);
     content('div.SubscriptionInner').remove();
     content('.gmailNews').remove();
+
+    // Those boxes are for explaining terms. They are injected inline and interrupt reading.
+    // If readers want to learn about terms, they can learn more online.
+    content('.dictionary-box').remove();
+    // Those are for "延伸閱讀" links, which are not part of the main article.
+    content('.moreArticle').remove();
+
     const topImage = content('.fullPic').html();
 
     item.description = (topImage === null ? '' : topImage) + content('.paragraph').eq(0).html();