diff --git a/Overview.html b/Overview.html
index 889af81..141be6c 100644
--- a/Overview.html
+++ b/Overview.html
@@ -9,7 +9,7 @@
 
 <hgroup>
  <h1 class="p-name">Fullscreen API</h1>
- <h2 class="no-num no-toc">Living Standard — Last Updated 29 September 2015</h2>
+ <h2 class="no-num no-toc">Living Standard — Last Updated 6 October 2015</h2>
 </hgroup>
 
  <dl>
@@ -675,10 +675,6 @@ <h3 id="user-agent-level-style-sheet-defaults"><span class="secno">6.4 </span>Us
   padding:0 !important;
 }
 
-::backdrop {
-  display:block !important;
-}
-
 *|*:not(:root):fullscreen::backdrop {
   position:fixed;
   top:0; right:0; bottom:0; left:0;
diff --git a/Overview.src.html b/Overview.src.html
index 2882d08..05f2fb4 100644
--- a/Overview.src.html
+++ b/Overview.src.html
@@ -660,10 +660,6 @@ <h3>User-agent level style sheet defaults</h3>
   padding:0 !important;
 }
 
-::backdrop {
-  display:block !important;
-}
-
 *|*:not(:root):fullscreen::backdrop {
   position:fixed;
   top:0; right:0; bottom:0; left:0;