Index: wp-includes/class-wp-editor.php
===================================================================
--- wp-includes/class-wp-editor.php	(revision 18933)
+++ wp-includes/class-wp-editor.php	(working copy)
@@ -452,7 +452,7 @@
 
 	function enqueue_scripts() {
 		wp_enqueue_script('word-count');
-		wp_enqueue_style('editor-buttons');
+		//wp_enqueue_style('editor-buttons');
 
 		if ( $this->has_tinymce )
 			wp_enqueue_script('editor');