With recent update it does not want to go away dont know how but one way to hide of you add netflix or YouTube to main screen it gets push down so you don't have to see

Since the Oreo update Sony Select seems to always be in my menu no matter what I do.

Have turned it off in the Channel Customiser, it always comes back.

Have gone into App settings and turned it off from there, same deal. Always comes back.

Have even tried to delete the complete file from within ES Explorer with no luck (ES won’t let me delete root files)

Any ideas? Is this happening to you?

Sony A1 with Oreo, i have delete useless stuff with adb.

Like this post on xda.

https://forum.xda-developers.com/showpost.php?p=74521466&postcount=1259

Delete apps through adb shell if you want