Sub suprr()
dim i, j, dercol as long
For i = 40 To 150
dercol = Cells(i, Cells.Columns.Count).End(xlToLeft).Column
For j = 1 To dercol
If Sheets("Feuille1").Cells(i, j).Value <> "" Then Exit For
Next j
Next i
If i < 150 Then Sheets("Feuille1").Delete
End Sub