Select the holes that you need to delete.
There are 3 ways to remove the holes
1. Then press the "delete" key on your keyboard.
2. Use the hole
popup menu by right clicking on the selected holes.
3. Right click on the canvas , the canvas
popup menu will appear. Select Holes > Remove > Remove selected holes
To remove all the holes, either select all the holes and remove them or use the canvas
popup menu .