--- title: Hide or Delete Levels in a Derived Hierarchy ms.custom: "" ms.date: "03/01/2017" ms.prod: sql ms.prod_service: "mds" ms.reviewer: "" ms.technology: master-data-services ms.topic: conceptual helpviewer_keywords: - "derived hierarchies, hiding levels" - "derived hierarchies, deleting levels" ms.assetid: e00582b9-9415-4b66-b4a7-9f590d83875f author: lrtoyou1223 ms.author: lle --- # Hide or Delete Levels in a Derived Hierarchy (Master Data Services) [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md-winonly](../includes/appliesto-ss-xxxx-xxxx-xxx-md-winonly.md)] In [!INCLUDE[ssMDSshort](../includes/ssmdsshort-md.md)], hide a level in a derived hierarchy when you require the level for grouping but you do not need to show the level. Delete a level when you do not want to use it for grouping. ## Prerequisites To perform this procedure: - You must have permission to access the **System Administration** functional area. - You must be a model administrator. For more information, see [Administrators (Master Data Services)](../master-data-services/administrators-master-data-services.md). ### To hide or delete levels in a derived hierarchy 1. In [!INCLUDE[ssMDSmdm](../includes/ssmdsmdm-md.md)], click **System Administration**. 2. From the menu bar, point to **Manage** and click **Derived Hierarchies**. 3. On the **Derived Hierarchy Maintenance** page, from the **Model** list, select a model. 4. Select the row for the derived hierarchy you want to edit. 5. Click **Edit**. 6. In the **Current Levels** pane: - To hide a level, click a level other than the top or bottom. From the **Visible** list, select **No**. Then click **Save selected hierarchy item**. - To delete the top level, click **Delete selected hierarchy item**. In the confirmation dialog box, click **OK**. You can delete the top level only. ## See Also [Derived Hierarchies (Master Data Services)](../master-data-services/derived-hierarchies-master-data-services.md)