To remove a template from a design, follow these steps:
1. Open the Sidebar.
Click the Sidebar button in the Editor toolbar, or use the keyboard shortcut. The template information is located in the settings tab.
2. Remove the template.
Click the Remove button. The template is removed from the design. Note that any components you add to the design are unaffected.
As shown below, click the Detach button in the Settings tab to detach the design from the template.