What am I doing wrong on below which debugs with message "no cells
found", I tried to tweak to delete all CF in all sheets, without any
message box display
Sub DeleteConditionalFormats()
Dim ws As Worksheet
Dim r As Range, c As Range
On Error GoTo 0
For Each ws In ActiveWorkbook.Worksheets
ws.Cells.SpecialCells(xlCellTypeAllFormatConditions).FormatConditions.Delete
Next ws
Exit Sub
End Sub