diff --git a/README.md b/README.md
index a1cc9d070..9ffd4c8ed 100644
--- a/README.md
+++ b/README.md
@@ -211,4 +211,3 @@
 * [https://github.com/visjs/vis-network](https://github.com/visjs/vis-network) `Apache-2.0 License`
 * [https://github.com/mozilla/pdf.js](https://github.com/mozilla/pdf.js) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
-* [https://github.com/hakimel/reveal.js](https://github.com/hakimel/reveal.js) `MIT License`
diff --git a/README_en_US.md b/README_en_US.md
index d91077534..1c4211884 100644
--- a/README_en_US.md
+++ b/README_en_US.md
@@ -206,4 +206,3 @@ SiYuan is made possible by the following open source projects.
 * [https://github.com/visjs/vis-network](https://github.com/visjs/vis-network) `Apache-2.0 License`
 * [https://github.com/mozilla/pdf.js](https://github.com/mozilla/pdf.js) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
-* [https://github.com/hakimel/reveal.js](https://github.com/hakimel/reveal.js) `MIT License`