diff --git a/README.md b/README.md
index e9e215f51..9936bb00c 100644
--- a/README.md
+++ b/README.md
@@ -126,5 +126,4 @@ SiYuan is made possible by the [Vditor](https://github.com/Vanessa219/vditor) an
 * [https://github.com/rtfpessoa/diff2html](https://github.com/rtfpessoa/diff2html) `MIT License`
 * [https://github.com/mozilla/pdfjs-dist](https://github.com/mozilla/pdfjs-dist) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
-* [https://github.com/fex-team/kityminder-core](https://github.com/fex-team/kityminder-core) `BSD-3-Clause License`
-* [https://github.com/hakimel/reveal.js](https://github.com/hakimel/reveal.js) `MIT License`
\ No newline at end of file
+* [https://github.com/hakimel/reveal.js](https://github.com/hakimel/reveal.js) `MIT License`
diff --git a/README_zh_CN.md b/README_zh_CN.md
index 8d848762e..840b5a571 100644
--- a/README_zh_CN.md
+++ b/README_zh_CN.md
@@ -129,5 +129,4 @@
 * [https://github.com/rtfpessoa/diff2html](https://github.com/rtfpessoa/diff2html) `MIT License`
 * [https://github.com/mozilla/pdfjs-dist](https://github.com/mozilla/pdfjs-dist) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
-* [https://github.com/fex-team/kityminder-core](https://github.com/fex-team/kityminder-core) `BSD-3-Clause License`
 * [https://github.com/hakimel/reveal.js](https://github.com/hakimel/reveal.js) `MIT License`