diff --git a/app/theme/client/imports/components/messages.css b/app/theme/client/imports/components/messages.css
index 19a4edb1c60a..a1542ccdf027 100644
--- a/app/theme/client/imports/components/messages.css
+++ b/app/theme/client/imports/components/messages.css
@@ -125,6 +125,8 @@
 
 			color: inherit !important;
 
+			border: unset !important;
+
 			background-color: unset !important;
 
 			font-family: inherit !important;