Deleting a Module Template 
Deleting a module template affects all workspaces that contain modules based on this template. After deletion, these workspaces will contain a placeholder instead of the actual module.
In the portal, navigate to .
Note
When a user has both the Workspace Content Administration role and the Workspace System Administration role, then the navigation path is: .
From the Available Module Templates table, select the module template to delete.
Choose Delete.