Log in to Web Space Server.
Navigate to Control Panel -> Content -> Web Content from the Welcome menu.
Click the Structures tab.
To delete a structure, you must first delete all the articles and disassociate or delete all the templates associated with that structure.
To delete all articles,
Click the Structure tab again.
Click the Actions button corresponding to a Structure, and select View Templates from the menu.
All the templates associated with the structure are listed.
To delete all the remplates associated with the structure, select all templates and then click the Delete button.
Select the structure and click the Delete button to delete the structure.
Alternatively, click the Actions button and choose Delete from the menu.