diff --git a/frontend/web/styles/3rdParty/_hljs.scss b/frontend/web/styles/3rdParty/_hljs.scss
index 7f17ec20ba5d..d7027cdcd371 100644
--- a/frontend/web/styles/3rdParty/_hljs.scss
+++ b/frontend/web/styles/3rdParty/_hljs.scss
@@ -282,9 +282,6 @@
   }
 }
 
-.json {
-  border: none;
-}
 .value-editor pre {
   overflow: hidden;
 }