diff --git a/browser/profiles/brave_bookmark_model_loaded_observer.cc b/browser/profiles/brave_bookmark_model_loaded_observer.cc
index 4605fb17f6c2..59e4f191809a 100644
--- a/browser/profiles/brave_bookmark_model_loaded_observer.cc
+++ b/browser/profiles/brave_bookmark_model_loaded_observer.cc
@@ -29,7 +29,7 @@ void BraveBookmarkModelLoadedObserver::BookmarkModelLoaded(
           ProfileSyncServiceFactory::GetForProfile(profile_));
   // When sync is enabled, we need to send migration records to other devices so
   // it is handled in BraveProfileSyncServiceImpl::OnSyncReady
-  if (!brave_profile_service->IsBraveSyncEnabled())
+  if (brave_profile_service && !brave_profile_service->IsBraveSyncEnabled())
     BraveMigrateOtherNode(model);
 #else
   BraveMigrateOtherNode(model);
diff --git a/browser/ui/BUILD.gn b/browser/ui/BUILD.gn
index a40afa405bcd..a050504f09f7 100644
--- a/browser/ui/BUILD.gn
+++ b/browser/ui/BUILD.gn
@@ -200,7 +200,7 @@ source_set("ui") {
       "//brave/components/brave_sync",
       "//brave/components/brave_sync:generated_resources",
       "//brave/components/brave_sync:static_resources",
-      "//brave/components/brave_sync:switches",
+      "//components/sync/driver:driver",
     ]
   }
 
diff --git a/browser/ui/brave_browser_command_controller.cc b/browser/ui/brave_browser_command_controller.cc
index d558e91cdaf1..e319753b728b 100644
--- a/browser/ui/brave_browser_command_controller.cc
+++ b/browser/ui/brave_browser_command_controller.cc
@@ -24,7 +24,7 @@
 #include "components/prefs/pref_service.h"
 
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
-#include "brave/components/brave_sync/switches.h"
+#include "components/sync/driver/sync_driver_switches.h"
 #endif
 
 namespace {
@@ -114,7 +114,7 @@ void BraveBrowserCommandController::InitBraveCommandState() {
     UpdateCommandForBraveWallet();
 #endif
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
-    if (brave_sync::switches::IsBraveSyncAllowedByFlag())
+    if (switches::IsSyncAllowedByFlag())
       UpdateCommandForBraveSync();
 #endif
   }
diff --git a/browser/ui/webui/brave_settings_ui.cc b/browser/ui/webui/brave_settings_ui.cc
index 55da94b9f337..bc4de1aec557 100644
--- a/browser/ui/webui/brave_settings_ui.cc
+++ b/browser/ui/webui/brave_settings_ui.cc
@@ -22,7 +22,7 @@
 #include "content/public/browser/web_ui_data_source.h"
 
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
-#include "brave/components/brave_sync/switches.h"
+#include "components/sync/driver/sync_driver_switches.h"
 #endif
 
 #if BUILDFLAG(ENABLE_SPARKLE)
@@ -56,7 +56,7 @@ void BraveSettingsUI::AddResources(content::WebUIDataSource* html_source,
 
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
   html_source->AddBoolean("isSyncDisabled",
-                          !brave_sync::switches::IsBraveSyncAllowedByFlag());
+                          !switches::IsSyncAllowedByFlag());
 #else
   html_source->AddBoolean("isSyncDisabled", true);
 #endif
diff --git a/browser/ui/webui/brave_web_ui_controller_factory.cc b/browser/ui/webui/brave_web_ui_controller_factory.cc
index 1f5e5888d4c6..151b36ac4c9f 100644
--- a/browser/ui/webui/brave_web_ui_controller_factory.cc
+++ b/browser/ui/webui/brave_web_ui_controller_factory.cc
@@ -38,7 +38,7 @@
 
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
 #include "brave/browser/ui/webui/sync/sync_ui.h"
-#include "brave/components/brave_sync/switches.h"
+#include "components/sync/driver/sync_driver_switches.h"
 #endif
 
 using content::WebUI;
@@ -70,7 +70,7 @@ WebUIController* NewWebUI<BasicUI>(WebUI* web_ui, const GURL& url) {
 #endif  // BUILDFLAG(BRAVE_WALLET_ENABLED)
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
   } else if (host == kBraveUISyncHost &&
-             brave_sync::switches::IsBraveSyncAllowedByFlag()) {
+             switches::IsSyncAllowedByFlag()) {
     return new SyncUI(web_ui, url.host());
 #endif  // BUILDFLAG(ENABLE_BRAVE_SYNC)
 #if BUILDFLAG(BRAVE_REWARDS_ENABLED)
@@ -114,7 +114,7 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
       url.host_piece() == chrome::kChromeUIWelcomeURL ||
 #if BUILDFLAG(ENABLE_BRAVE_SYNC)
       (url.host_piece() == kBraveUISyncHost &&
-       brave_sync::switches::IsBraveSyncAllowedByFlag()) ||
+       switches::IsSyncAllowedByFlag()) ||
 #endif
       url.host_piece() == chrome::kChromeUINewTabHost ||
       url.host_piece() == chrome::kChromeUISettingsHost) {
diff --git a/chromium_src/components/sync/driver/sync_driver_switches.cc b/chromium_src/components/sync/driver/sync_driver_switches.cc
deleted file mode 100644
index e9f0c1bee3d0..000000000000
--- a/chromium_src/components/sync/driver/sync_driver_switches.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-/* Copyright (c) 2019 The Brave Authors. All rights reserved.
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#define IsSyncAllowedByFlag IsSyncAllowedByFlag_ChromiumImpl
-#include "../../../../../components/sync/driver/sync_driver_switches.cc"  // NOLINT
-#undef IsSyncAllowedByFlag
-
-#include "brave/components/brave_sync/switches.h"
-
-namespace switches {
-
-bool IsSyncAllowedByFlag() {
-  return IsSyncAllowedByFlag_ChromiumImpl() &&
-         brave_sync::switches::IsBraveSyncAllowedByFlag();
-}
-
-}  // namespace switches
diff --git a/components/brave_sync/BUILD.gn b/components/brave_sync/BUILD.gn
index 9ade5b6ede17..0daa8833d818 100644
--- a/components/brave_sync/BUILD.gn
+++ b/components/brave_sync/BUILD.gn
@@ -74,17 +74,6 @@ source_set("prefs") {
   ]
 }
 
-source_set("switches") {
-  sources = [
-    "switches.cc",
-    "switches.h",
-  ]
-
-  deps = [
-    "//base",
-  ]
-}
-
 source_set("crypto") {
   sources = [
     "crypto/crypto.cc",
@@ -132,7 +121,6 @@ source_set("core") {
     ":crypto",
     ":jslib_messages",
     ":prefs",
-    ":switches",
     "//base",
     "//components/bookmarks/browser",
     "//crypto",
diff --git a/components/brave_sync/switches.cc b/components/brave_sync/switches.cc
deleted file mode 100644
index c7f9c610c7a0..000000000000
--- a/components/brave_sync/switches.cc
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (c) 2019 The Brave Authors. All rights reserved.
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "brave/components/brave_sync/switches.h"
-
-#include "base/command_line.h"
-
-namespace brave_sync {
-namespace switches {
-
-bool IsBraveSyncAllowedByFlag() {
-  return !base::CommandLine::ForCurrentProcess()->HasSwitch(kDisableBraveSync);
-}
-
-// Allows disabling Brave Sync.
-const char kDisableBraveSync[] = "disable-brave-sync";
-
-}  // namespace switches
-}  // namespace brave_sync
diff --git a/components/brave_sync/switches.h b/components/brave_sync/switches.h
deleted file mode 100644
index f3716140a833..000000000000
--- a/components/brave_sync/switches.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (c) 2019 The Brave Authors. All rights reserved.
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef BRAVE_COMPONENTS_BRAVE_SYNC_SWITCHES_H_
-#define BRAVE_COMPONENTS_BRAVE_SYNC_SWITCHES_H_
-
-namespace brave_sync {
-namespace switches {
-
-// This function can be called from any thread, and the implementation doesn't
-// assume it's running on the UI thread.
-bool IsBraveSyncAllowedByFlag();
-
-extern const char kDisableBraveSync[];
-
-}  // namespace switches
-}  // namespace brave_sync
-
-#endif  // BRAVE_COMPONENTS_BRAVE_SYNC_SWITCHES_H_