diff --git a/src/app.scss b/src/app.scss
index fd2acf3..7be2267 100644
--- a/src/app.scss
+++ b/src/app.scss
@@ -861,7 +861,3 @@ aside.menu.main-menu .menu-expanse {
 }
 
 @import "/node_modules/katex/dist/katex.min.css";
-
-.katex-html {
-  display: none;
-}