To delete an item in the Media Library, hover your mouse over the item you want to delete. Click on the trash icon that appears to delete.
Delete multiple items
You can delete multiple items in the Media Library at the same time, or all at once! Hold the Shift key while selecting the items you want to delete. Once you’ve selected the ones you want to delete, click on the trash icon from the menu that appears. You’ll also have the option to select all of them at once!