Ticket #33005: 33005.diff

wp-includes/theme.php

@@ -1942 +1942 @@
         $header_image = get_header_image();
         $background_image = get_background_image();
 
-        if ( $header_image && $header_image == $attachment_image )
+        if ( $header_image && $header_image == $attachment_image ) {
                 remove_theme_mod( 'header_image' );
+                remove_theme_mod( 'header_image_data' );
+        }
 
         if ( $background_image && $background_image == $attachment_image )
                 remove_theme_mod( 'background_image' );