Ticket #24743: 24743.patch

wp-admin/includes/revision.php

@@ -86 +86 @@
                         'title'        => get_the_title( $post->ID ),
                         'author' => array(
                                 'id'     => (int) $revision->post_author,
-                                'avatar' => get_avatar( $revision->post_author, 24 ),
+                                'avatar' => get_option( 'show_avatars' ) ? get_avatar( $revision->post_author, 24 ) : '',
                                 'name'   => get_the_author_meta( 'display_name', $revision->post_author ),
                         ),
                         'date'         => date_i18n( __( 'M j, Y @ G:i' ), $modified ),