App that's disconnected from my account keeps editing my playlists

[L33Tech]

Plan

Premium

Country

USA

Device

Laptop

Operating System

Windows 10

My Question or Issue

An app that's disconnected from my account keeps editing my playlists back to self-promotion for the app. I've disconnected it, signed out of all other devices, restarted the app. Nothing's worked.

Help!

[L33Tech]

Same issue as this comment on another thread: https://community.spotify.com/t5/Other-Partners-Web-Player-etc/How-to-disconnect-Spotify-from-soundi...