diff --git a/core/themes/seven/css/theme/maintenance-page.css b/core/themes/seven/css/theme/maintenance-page.css
index 75820cbc4c2..f6b93a042c9 100644
--- a/core/themes/seven/css/theme/maintenance-page.css
+++ b/core/themes/seven/css/theme/maintenance-page.css
@@ -11,11 +11,6 @@
   min-height: 100%;
 }
 
-/* Maintenance theming */
-.install-page,
-.maintenance-page {
-  background: none;
-}
 .page-title {
   font-size: 2em;
   line-height: 1.2em;