It is called pkgs.decibels.
Should be feasible if you just did
environment.gnome.excludePackages = [
pkgs.decibels
];
It is called pkgs.decibels.
Should be feasible if you just did
environment.gnome.excludePackages = [
pkgs.decibels
];


Most scam apps are in the Google Play Store btw
Can only guess, but nixpkgs says the package provided is
org.gnome.decibelsnotdecibels. Maybe try this command