{...}: {
  programs.firefox = {
    policies = {
    };
    enable = true;
    profiles.default.settings = {
      "browser.newtabpage.activity-stream.feeds.discoverystreamfeed" = false;
      "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
      "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
      "browser.newtabpage.activity-stream.showSponsored" = false;
      "extensions.pocket.enabled" = false;
    };
  };
}