Sub Macro1()
Application.ScreenUpdating = False
For Each Worksheet In ActiveWorkbook.Worksheets
'If the current worksheet has an index number of 5 (i.e. it's the 5th _
tab from the left [including any hidden sheet(s)], then...
If Worksheet.Index = 5 Then
'...turn alerts off and delete the tab.
Application.DisplayAlerts = False
Worksheet.Delete 'Note after deleting the Indexed 5th tab, the 6th Indexed tab becomes the 5th Indexed tab and so on.
Application.DisplayAlerts = True
End If
Next Worksheet
Application.ScreenUpdating = True
End Sub