diff --git a/wp-content/themes/twentytwelve/css/editor-blocks.css b/wp-content/themes/twentytwelve/css/editor-blocks.css
index 071bce76da..4a1049dae0 100644
--- a/wp-content/themes/twentytwelve/css/editor-blocks.css
+++ b/wp-content/themes/twentytwelve/css/editor-blocks.css
@@ -289,10 +289,6 @@ p.has-drop-cap:not(:focus)::first-letter {
 	font-style: italic;
 }
 
-.edit-post-visual-editor .wp-block-pullquote {
-	margin: 0;
-}
-
 .wp-block-pullquote .wp-block-pullquote__citation,
 .wp-block-pullquote cite {
 	font-size: 14px;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7243a85fbd..bc819f55bb 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58103';
+$wp_version = '6.6-alpha-58104';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.