Index: wp-admin/includes/media.php
===================================================================
--- wp-admin/includes/media.php	(revision 8033)
+++ wp-admin/includes/media.php	(working copy)
@@ -180,12 +180,6 @@
 	printf($context, $out);
 }
 add_action( 'media_buttons', 'media_buttons' );
-
-add_action( 'admin_print_scripts-post-new.php', 'add_thickbox' );
-add_action( 'admin_print_scripts-post.php', 'add_thickbox' );
-add_action( 'admin_print_scripts-page-new.php', 'add_thickbox' );
-add_action( 'admin_print_scripts-page.php', 'add_thickbox' );
-
 add_action('media_upload_media', 'media_upload_handler');
 
 function media_upload_form_handler() {