diff --git a/components/brave_ads/browser/ads_service_impl.cc b/components/brave_ads/browser/ads_service_impl.cc
index 538e9fe1d3d3..af38141b0f7d 100644
--- a/components/brave_ads/browser/ads_service_impl.cc
+++ b/components/brave_ads/browser/ads_service_impl.cc
@@ -45,7 +45,6 @@
 #include "brave/components/brave_ads/core/public/ad_units/notification_ad/notification_ad_value_util.h"
 #include "brave/components/brave_ads/core/public/ads_constants.h"
 #include "brave/components/brave_ads/core/public/ads_feature.h"
-#include "brave/components/brave_ads/core/public/database/database.h"
 #include "brave/components/brave_ads/core/public/flags/flags_util.h"
 #include "brave/components/brave_ads/core/public/history/site_history.h"
 #include "brave/components/brave_ads/core/public/prefs/pref_names.h"
diff --git a/components/brave_ads/core/internal/BUILD.gn b/components/brave_ads/core/internal/BUILD.gn
index 4b39be6da65f..065164a88f7c 100644
--- a/components/brave_ads/core/internal/BUILD.gn
+++ b/components/brave_ads/core/internal/BUILD.gn
@@ -583,6 +583,7 @@ static_library("internal") {
     "creatives/segments_database_util.cc",
     "creatives/segments_database_util.h",
     "database/database.cc",
+    "database/database.h",
     "database/database_maintenance.cc",
     "database/database_maintenance.h",
     "database/database_manager.cc",
diff --git a/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.cc b/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.cc
index acfca84c1b69..0e6016692426 100644
--- a/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.cc
+++ b/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.cc
@@ -26,7 +26,6 @@
 #include "brave/components/brave_ads/core/internal/global_state/global_state.h"
 #include "brave/components/brave_ads/core/mojom/brave_ads.mojom.h"
 #include "brave/components/brave_ads/core/public/ad_units/notification_ad/notification_ad_info.h"
-#include "brave/components/brave_ads/core/public/database/database.h"
 #include "brave/components/brave_ads/core/public/flags/flags_util.h"
 
 namespace brave_ads::test {
diff --git a/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.h b/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.h
index be9e28022dc6..da9e1c5e902e 100644
--- a/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.h
+++ b/components/brave_ads/core/internal/common/test/internal/mock_test_util_internal.h
@@ -8,7 +8,6 @@
 
 #include "base/files/file_path.h"
 #include "brave/components/brave_ads/core/internal/ads_client/ads_client_mock.h"
-#include "brave/components/brave_ads/core/public/database/database.h"
 
 namespace brave_ads::test {
 
diff --git a/components/brave_ads/core/internal/common/test/test_base.cc b/components/brave_ads/core/internal/common/test/test_base.cc
index 094c2404f4b0..5af58ef80761 100644
--- a/components/brave_ads/core/internal/common/test/test_base.cc
+++ b/components/brave_ads/core/internal/common/test/test_base.cc
@@ -27,12 +27,12 @@
 #include "brave/components/brave_ads/core/internal/common/test/test_constants.h"
 #include "brave/components/brave_ads/core/internal/common/test/test_types.h"
 #include "brave/components/brave_ads/core/internal/common/test/time_test_util.h"
+#include "brave/components/brave_ads/core/internal/database/database.h"
 #include "brave/components/brave_ads/core/internal/database/database_manager.h"
 #include "brave/components/brave_ads/core/internal/deprecated/client/client_state_manager.h"
 #include "brave/components/brave_ads/core/internal/deprecated/confirmations/confirmation_state_manager.h"
 #include "brave/components/brave_ads/core/internal/global_state/global_state.h"
 #include "brave/components/brave_ads/core/public/ads.h"
-#include "brave/components/brave_ads/core/public/ads_client/ads_client_notifier_observer.h"
 #include "brave/components/brave_ads/core/public/ads_constants.h"
 
 namespace brave_ads::test {
diff --git a/components/brave_ads/core/internal/database/database.cc b/components/brave_ads/core/internal/database/database.cc
index 7af25532f6b6..f525dcbdb416 100644
--- a/components/brave_ads/core/internal/database/database.cc
+++ b/components/brave_ads/core/internal/database/database.cc
@@ -3,7 +3,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-#include "brave/components/brave_ads/core/public/database/database.h"
+#include "brave/components/brave_ads/core/internal/database/database.h"
 
 #include <tuple>
 #include <utility>
diff --git a/components/brave_ads/core/public/database/database.h b/components/brave_ads/core/internal/database/database.h
similarity index 92%
rename from components/brave_ads/core/public/database/database.h
rename to components/brave_ads/core/internal/database/database.h
index 97a10195829f..923c94df91e8 100644
--- a/components/brave_ads/core/public/database/database.h
+++ b/components/brave_ads/core/internal/database/database.h
@@ -3,8 +3,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-#ifndef BRAVE_COMPONENTS_BRAVE_ADS_CORE_PUBLIC_DATABASE_DATABASE_H_
-#define BRAVE_COMPONENTS_BRAVE_ADS_CORE_PUBLIC_DATABASE_DATABASE_H_
+#ifndef BRAVE_COMPONENTS_BRAVE_ADS_CORE_INTERNAL_DATABASE_DATABASE_H_
+#define BRAVE_COMPONENTS_BRAVE_ADS_CORE_INTERNAL_DATABASE_DATABASE_H_
 
 #include <memory>
 
@@ -80,4 +80,4 @@ class ADS_EXPORT Database final {
 
 }  // namespace brave_ads
 
-#endif  // BRAVE_COMPONENTS_BRAVE_ADS_CORE_PUBLIC_DATABASE_DATABASE_H_
+#endif  // BRAVE_COMPONENTS_BRAVE_ADS_CORE_INTERNAL_DATABASE_DATABASE_H_
diff --git a/components/brave_ads/core/internal/database/database_manager.cc b/components/brave_ads/core/internal/database/database_manager.cc
index 75356ddf3d25..d925ff2b73e3 100644
--- a/components/brave_ads/core/internal/database/database_manager.cc
+++ b/components/brave_ads/core/internal/database/database_manager.cc
@@ -14,13 +14,13 @@
 #include "base/task/thread_pool.h"
 #include "brave/components/brave_ads/core/internal/common/database/database_transaction_util.h"
 #include "brave/components/brave_ads/core/internal/common/logging_util.h"
+#include "brave/components/brave_ads/core/internal/database/database.h"
 #include "brave/components/brave_ads/core/internal/global_state/global_state.h"
 #include "brave/components/brave_ads/core/internal/legacy_migration/database/database_constants.h"
 #include "brave/components/brave_ads/core/internal/legacy_migration/database/database_creation.h"
 #include "brave/components/brave_ads/core/internal/legacy_migration/database/database_migration.h"
 #include "brave/components/brave_ads/core/internal/legacy_migration/database/database_raze.h"
 #include "brave/components/brave_ads/core/mojom/brave_ads.mojom.h"
-#include "brave/components/brave_ads/core/public/database/database.h"
 
 namespace brave_ads {
 
diff --git a/components/brave_ads/core/public/BUILD.gn b/components/brave_ads/core/public/BUILD.gn
index 6bb1c3211d03..8d5d10f35482 100644
--- a/components/brave_ads/core/public/BUILD.gn
+++ b/components/brave_ads/core/public/BUILD.gn
@@ -31,7 +31,6 @@ source_set("headers") {
     "ads_feature.h",
     "ads_observer_interface.h",
     "ads_util.h",
-    "database/database.h",
     "export.h",
     "flags/flags_util.h",
     "history/ad_history_feature.h",
@@ -53,7 +52,6 @@ source_set("headers") {
 
   deps = [
     "//base",
-    "//sql",
     "//url",
   ]