1. Open the Team on Teams panel that you intend to delete the Web Part;
  2. Click on the Settings button.

    settings_delete.png

  3. Click on the View Calendar icon;

    Manage

  4. The Calendar view will open with all your events;

    view_calendar

  5. If you want to delete an event, click on it and the select Delete Event, in the top menu.

    view_calendar