diff --git a/customize.dist/main.css b/customize.dist/main.css
index fb3be659c..791563ed3 100644
--- a/customize.dist/main.css
+++ b/customize.dist/main.css
@@ -1306,7 +1306,6 @@ html.cp,
   max-width: 90%;
   max-height: 90%;
   margin: auto;
-  border: 5px solid red;
 }
 .cp div.modal,
 .cp div#modal {
diff --git a/customize.dist/src/less/cryptpad.less b/customize.dist/src/less/cryptpad.less
index a4b2f148e..6e0f951fb 100644
--- a/customize.dist/src/less/cryptpad.less
+++ b/customize.dist/src/less/cryptpad.less
@@ -861,8 +861,6 @@ form.realtime, div.realtime {
             max-width: 90%;
             max-height: 90%;
             margin: auto;
-
-            border: 5px solid red;
         }
     }
 }