diff --git a/browser/brave_profile_prefs.cc b/browser/brave_profile_prefs.cc
index 6c9024a326bf..b011b7c4d518 100644
--- a/browser/brave_profile_prefs.cc
+++ b/browser/brave_profile_prefs.cc
@@ -8,7 +8,6 @@
 #include "brave/common/pref_names.h"
 #include "brave/components/brave_shields/browser/brave_shields_web_contents_observer.h"
 #include "brave/components/brave_webtorrent/browser/buildflags/buildflags.h"
-#include "brave/components/brave_sync/brave_sync_prefs.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/common/pref_names.h"
@@ -45,9 +44,6 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterBooleanPref(kLocationBarIsWide, false);
   registry->RegisterBooleanPref(kHideBraveRewardsButton, false);
 
-  //TODO(darkdh): merge into upstream SyncPrefs
-  brave_sync::prefs::Prefs::RegisterProfilePrefs(registry);
-
   registry->RegisterBooleanPref(kWidevineOptedIn, false);
   registry->RegisterBooleanPref(kAskWidevineInstall, true);
 #if BUILDFLAG(BUNDLE_WIDEVINE_CDM)
diff --git a/chromium_src/components/sync/base/sync_prefs.cc b/chromium_src/components/sync/base/sync_prefs.cc
new file mode 100644
index 000000000000..beada7e637d7
--- /dev/null
+++ b/chromium_src/components/sync/base/sync_prefs.cc
@@ -0,0 +1,2 @@
+#include "brave/components/brave_sync/brave_sync_prefs.h"
+#include "../../../../components/sync/base/sync_prefs.cc"
diff --git a/components/brave_sync/test_util.cc b/components/brave_sync/test_util.cc
index ede54853e6fe..7879ba204ee0 100644
--- a/components/brave_sync/test_util.cc
+++ b/components/brave_sync/test_util.cc
@@ -6,7 +6,6 @@
 
 #include "base/files/file_util.h"
 #include "base/strings/utf_string_conversions.h"
-#include "brave/components/brave_sync/brave_sync_prefs.h"
 #include "brave/components/brave_sync/tools.h"
 #include "brave/components/brave_sync/values_conv.h"
 #include "chrome/browser/prefs/browser_prefs.h"
@@ -32,7 +31,6 @@ std::unique_ptr<Profile> CreateBraveSyncProfile(const base::FilePath& path) {
   std::unique_ptr<sync_preferences::PrefServiceSyncable> prefs(
       factory.CreateSyncable(registry.get()));
   RegisterUserProfilePrefs(registry.get());
-  prefs::Prefs::RegisterProfilePrefs(registry.get());
 
   TestingProfile::Builder profile_builder;
   profile_builder.SetPrefService(std::move(prefs));
diff --git a/patches/components-sync-base-sync_prefs.cc.patch b/patches/components-sync-base-sync_prefs.cc.patch
new file mode 100644
index 000000000000..04c067ef6526
--- /dev/null
+++ b/patches/components-sync-base-sync_prefs.cc.patch
@@ -0,0 +1,12 @@
+diff --git a/components/sync/base/sync_prefs.cc b/components/sync/base/sync_prefs.cc
+index e0233e2c1fe41e7aca1514321881a9defe99e11f..8331c1add5cbc209023cfb938b11ef8c564e2b90 100644
+--- a/components/sync/base/sync_prefs.cc
++++ b/components/sync/base/sync_prefs.cc
+@@ -186,6 +186,7 @@ void SyncPrefs::RegisterProfilePrefs(
+ #if defined(OS_CHROMEOS)
+   registry->RegisterStringPref(kSyncSpareBootstrapToken, "");
+ #endif
++  brave_sync::prefs::Prefs::RegisterProfilePrefs(registry);
+ }
+ 
+ void SyncPrefs::AddSyncPrefObserver(SyncPrefObserver* sync_pref_observer) {