Dell XPS and WD22 Dock

My ears are bleeding from a 10db increase in sound (40%) of constant buzzing. The docking station is the cause but according to this its normal:

https://www.dell.com/support/kbdoc/en-uk/000219595/loud-static-or-buzzing-noise-from-dell-docks-when-latitudes-and-precisions-connected#:~:text=The%20noise%20occurs%20due%20to,from%20the%20dock%20charging%20circuit.

Not thes is straight after booting into windows and it doesn't smargin: 0;">

What can I do to drop the buzzing?