diff --git a/core/themes/seven/css/components/tables.css b/core/themes/seven/css/components/tables.css
index 3d026a1..4d6be47 100644
--- a/core/themes/seven/css/components/tables.css
+++ b/core/themes/seven/css/components/tables.css
@@ -125,14 +125,6 @@ table.system-status-report tr:first-child {
 table.system-status-report tr:last-child {
   border-bottom: 1px solid #bebfb9;
 }
-table.system-status-report tr.warning {
-  color: #840;
-  background-color: #fffce5;
-}
-table.system-status-report tr.error {
-  color: #8c2e0b;
-  background-color: #fef5f1;
-}
 table.system-status-report td {
   padding: 12px;
 }