Remove Chart Borders Using VBA

If you want to remove the chart borders . Try this Macro

Sub remove_borders_from_chart()
    Dim cht As Chart
    ' change chart name here
    Set cht = Sheets("Sheet1").ChartObjects("Chart 3").Chart
    'Remove border from chart area
    cht.ChartArea.Border.LineStyle = xlNone
    ' remove border from Plot Area
    cht.PlotArea.Border.LineStyle = xlNone
End Sub