diff --git a/src/chrome/browser/background/background_mode_manager.cc b/src/chrome/browser/background/background_mode_manager.cc
index 55d7b46c..c4c4a327 100644
--- a/src/chrome/browser/background/background_mode_manager.cc
+++ b/src/chrome/browser/background/background_mode_manager.cc
@@ -24,7 +24,6 @@
 #include "base/metrics/user_metrics.h"
 #include "base/one_shot_event.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/task/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"
@@ -372,11 +371,6 @@ BackgroundModeManager::~BackgroundModeManager() {
 
 // static
 void BackgroundModeManager::RegisterPrefs(PrefRegistrySimple* registry) {
-#if BUILDFLAG(IS_MAC)
-  registry->RegisterBooleanPref(prefs::kUserRemovedLoginItem, false);
-  registry->RegisterBooleanPref(prefs::kChromeCreatedLoginItem, false);
-  registry->RegisterBooleanPref(prefs::kMigratedLoginItemPref, false);
-#endif
   registry->RegisterBooleanPref(prefs::kBackgroundModeEnabled, false);
 }
 
@@ -439,9 +433,11 @@ void BackgroundModeManager::LaunchBackgroundApplication(
 #if !BUILDFLAG(IS_CHROMEOS)
   apps::AppServiceProxyFactory::GetForProfile(profile)
       ->BrowserAppLauncher()
-      ->LaunchAppWithParams(CreateAppLaunchParamsUserContainer(
-          profile, extension, WindowOpenDisposition::NEW_FOREGROUND_TAB,
-          apps::LaunchSource::kFromBackgroundMode));
+      ->LaunchAppWithParams(
+          CreateAppLaunchParamsUserContainer(
+              profile, extension, WindowOpenDisposition::NEW_FOREGROUND_TAB,
+              apps::LaunchSource::kFromBackgroundMode),
+          base::DoNothing());
 #else
   // background mode is not used in Chrome OS platform.
   // TODO(crbug.com/1291803): Remove the background mode manager from Chrome OS
@@ -874,6 +870,8 @@ void BackgroundModeManager::UpdateEnableLaunchOnStartup() {
   EnableLaunchOnStartup(*launch_on_startup_enabled_);
 }
 
+namespace {
+
 // Gets the image for the status tray icon, at the correct size for the current
 // platform and display settings.
 gfx::ImageSkia GetStatusTrayIcon() {
@@ -906,6 +904,8 @@ gfx::ImageSkia GetStatusTrayIcon() {
 #endif
 }
 
+}  // namespace
+
 void BackgroundModeManager::CreateStatusTrayIcon() {
   // Only need status icons on windows/linux. ChromeOS doesn't allow exiting
   // Chrome and Mac can use the dock icon instead.