Sub RowsDelete()
Dim i As Long
Dim myRow As Long
myRow = Worksheets("sheet1").Range("A65536").End(xlUp).Row
For i = myRow To 1 Step -1
If Cells(i, 1).Value = "" Then
Cells(i, 1).EntireRow.Delete
End If
Next i
End Sub
If you are using libreoffice, add Option VBASupport 1 at the top of the editor.