Code to remove controls not woking properly need help

I have multiple Picturebox 's that I nee to remove .... the coe I am using sort of works

It will clear them but I have to click multiple times

WHat can I do to clear the PB's that are in mE.PictureBox1.COntrols

Hre it is

Dim ctrl As Control
        '//////// THIS ALMOST WORKS .. just have to click it several times
        For Each ctrl In Me.PictureBox1.Controls
            If TypeOf ctrl Is PictureBox Then
                Me.PictureBox1.Controls.Remove(ctrl)
            End If
        Next

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