diff --git a/README.md b/README.md
index 6ebdd975..25210d26 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,6 @@ I hope you will LoveIt ❤️!
 * Kinds of admonitions shortcode support
 * Custom align and float style shortcodes support
 * Animated typing support by [TypeIt](https://typeitjs.com/)
-* Animated coutdown support by [jQuery.countdown](https://github.com/hilios/jQuery.countdown)
 * Dynamic to top support by [Smooth Scroll](https://github.com/cferdinandi/smooth-scroll)
 * ...
 
@@ -200,8 +199,6 @@ Thanks to the authors of following resources included in the theme:
 * [lazysizes](https://github.com/aFarkas/lazysizes)
 * [Smooth Scroll](https://github.com/cferdinandi/smooth-scroll)
 * [TypeIt](https://typeitjs.com/)
-* [jQuery](https://github.com/jquery/jquery)
-* [jQuery.countdown](https://github.com/hilios/jQuery.countdown)
 * [Katex](https://katex.org/)
 * [mermaid](https://github.com/knsv/mermaid)
 * [APlayer](https://github.com/MoePlayer/APlayer)
diff --git a/README.zh.md b/README.zh.md
index 10ecb2a4..296f77d2 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -86,7 +86,6 @@
 * 支持多种提醒样式的 shortcode
 * 支持自定义对齐和浮动方式的 shortcode
 * 支持基于 [TypeIt](https://typeitjs.com/) 的打字动画
-* 支持基于 [jQuery.countdown](https://github.com/hilios/jQuery.countdown) 的倒计时动画
 * 支持基于 [Smooth Scroll](https://github.com/cferdinandi/smooth-scroll) 的回到顶部动画
 * ...
 
@@ -195,8 +194,6 @@ LoveIt 根据 MIT 许可协议授权。 更多信息请查看 [LICENSE 文件](h
 * [lazysizes](https://github.com/aFarkas/lazysizes)
 * [Smooth Scroll](https://github.com/cferdinandi/smooth-scroll)
 * [TypeIt](https://typeitjs.com/)
-* [jQuery](https://github.com/jquery/jquery)
-* [jQuery.countdown](https://github.com/hilios/jQuery.countdown)
 * [Katex](https://katex.org/)
 * [mermaid](https://github.com/knsv/mermaid)
 * [APlayer](https://github.com/MoePlayer/APlayer)