Index: wp-includes/class-wp-editor.php
===================================================================
--- wp-includes/class-wp-editor.php	(revision 24736)
+++ wp-includes/class-wp-editor.php	(working copy)
@@ -192,7 +192,7 @@
 				self::$baseurl = includes_url('js/tinymce');
 				self::$mce_locale = $mce_locale = ( '' == get_locale() ) ? 'en' : strtolower( substr(get_locale(), 0, 2) ); // only ISO 639-1
 				$no_captions = (bool) apply_filters( 'disable_captions', '' );
-				$plugins = array( 'inlinepopups', 'spellchecker', 'tabfocus', 'paste', 'media', 'fullscreen', 'wordpress', 'wpeditimage', 'wpgallery', 'wplink', 'wpdialogs' );
+				$plugins = array( 'inlinepopups', 'tabfocus', 'paste', 'media', 'fullscreen', 'wordpress', 'wpeditimage', 'wpgallery', 'wplink', 'wpdialogs' );
 				$first_run = true;
 				$ext_plugins = '';