diff --git a/gnome-shell/v40/_common.scss b/gnome-shell/v40/_common.scss
index 5ef664f..69ee9be 100644
--- a/gnome-shell/v40/_common.scss
+++ b/gnome-shell/v40/_common.scss
@@ -1095,6 +1095,7 @@ StScrollBar {
       /* Message list */
       .message-list {
         width: 31.5em;
+        border: none;
         .message-title, .message-content, .message-body {
           color: darken($fg_color, 5%);
         }
diff --git a/gnome-shell/v40/gnome-shell.css b/gnome-shell/v40/gnome-shell.css
index d28d0c2..15cd1e9 100644
--- a/gnome-shell/v40/gnome-shell.css
+++ b/gnome-shell/v40/gnome-shell.css
@@ -988,7 +988,8 @@ StScrollBar {
 
 /* Message list */
 .message-list {
-  width: 31.5em; }
+  width: 31.5em;
+  border: none; }
   .message-list .message-title, .message-list .message-content, .message-list .message-body {
     color: #b1b6c2; }