How do I disable QoS on the Deco x20? 

I'm trying to troubleshoot an issue with gaming on my Xbox Series X. I see a QoS setting but nowhere to turn it off. EVERY single hour I get a huge ping spike and huge packet loss for around 30 seconds and it's making gaming infurating. It's costing me games. Another forum mentioned Deco Mesh's will run a speed test in the background every hour and it could be this causing my problem.

Every game of Rocket League, PubG or COD , my ping will shoot up above 1000 and it will also lose packets lost. This happens EVERY SINGLE HOUR for around 30 seconds each time. Didn't hapen when I was just using my Virgin Media provided hub. 

Thanks.