How can I avoid adding the three plus signs, shown, that are not part of my design? What are they called? I'm using Ultiboard.

How can I avoid adding the three plus signs, shown, that are not part of my design? What are they called? I'm using Ultiboard.

| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 4 |
| 2 | KhronoSound Audio | 1 |