diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index ad3e314d8..471e80840 100755
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -2150,16 +2150,6 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 		return $this->stat('default_parent');
 	}
 
-
-	/**
-	 * Function to clean up the currently loaded page after a reorganise has
-	 * been called. It should return a piece of JavaScript to be executed on
-	 * the client side, to clean up the results of the reorganise.
-	 */
-	function cmsCleanup_parentChanged() {
-	}
-
-
 	/**
 	 * Get the title for use in menus for this page. If the MenuTitle
 	 * field is set it returns that, else it returns the Title field.
diff --git a/filesystem/Folder.php b/filesystem/Folder.php
index b5a7ce8d7..926475e5c 100755
--- a/filesystem/Folder.php
+++ b/filesystem/Folder.php
@@ -313,14 +313,6 @@ class Folder extends File {
 		}
 	}
 	
-	/**
-	 * This isn't a decendant of SiteTree, but needs this in case
-	 * the group is "reorganised";
-	 */
-	function cmsCleanup_parentChanged(){
-		
-	}
-
 	/**
 	 * Return the FieldSet used to edit this folder in the CMS.
 	 * You can modify this fieldset by subclassing folder, or by creating a {@link DataObjectDecorator}
diff --git a/security/Group.php b/security/Group.php
index 1dcc2a736..010ab2253 100644
--- a/security/Group.php
+++ b/security/Group.php
@@ -292,13 +292,6 @@ class Group extends DataObject {
 		return $items;
 	}
 	
-	/**
-	 * This isn't a decendant of SiteTree, but needs this in case
-	 * the group is "reorganised";
-	 */
-	function cmsCleanup_parentChanged() {
-	}
-	
 	/**
 	 * Override this so groups are ordered in the CMS
 	 */