diff --git a/browser/brave_shields/cookie_expiry_browsertest.cc b/browser/brave_shields/cookie_expiry_browsertest.cc
index d0a2034fd14..bf195051797 100644
--- a/browser/brave_shields/cookie_expiry_browsertest.cc
+++ b/browser/brave_shields/cookie_expiry_browsertest.cc
@@ -20,9 +20,11 @@
 #include "content/public/test/browser_test.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_mock_cert_verifier.h"
+#include "net/cookies/canonical_cookie.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/default_handlers.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
+#include "services/network/public/mojom/cookie_manager.mojom.h"
 
 namespace {
 
diff --git a/browser/debounce/debounce_browsertest.cc b/browser/debounce/debounce_browsertest.cc
index 902d27431fc..9c70dd0a41f 100644
--- a/browser/debounce/debounce_browsertest.cc
+++ b/browser/debounce/debounce_browsertest.cc
@@ -27,6 +27,7 @@
 #include "content/public/test/browser_test.h"
 #include "content/public/test/browser_test_utils.h"
 #include "net/base/url_util.h"
+#include "services/network/public/cpp/resource_request.h"
 #include "third_party/blink/public/common/loader/url_loader_throttle.h"
 
 namespace {
diff --git a/browser/ephemeral_storage/ephemeral_storage_1p_domain_block_browsertest.cc b/browser/ephemeral_storage/ephemeral_storage_1p_domain_block_browsertest.cc
index 9f24a36855f..38ad08b0b5a 100644
--- a/browser/ephemeral_storage/ephemeral_storage_1p_domain_block_browsertest.cc
+++ b/browser/ephemeral_storage/ephemeral_storage_1p_domain_block_browsertest.cc
@@ -6,6 +6,7 @@
 #include "brave/browser/ephemeral_storage/ephemeral_storage_browsertest.h"
 
 #include "base/strings/strcat.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/test/bind.h"
 #include "base/test/thread_test_helper.h"
 #include "brave/browser/brave_browser_process.h"
diff --git a/browser/permissions/google_sign_in_permission_browsertest.cc b/browser/permissions/google_sign_in_permission_browsertest.cc
index 8a62867c95f..ee3bd0f43a3 100644
--- a/browser/permissions/google_sign_in_permission_browsertest.cc
+++ b/browser/permissions/google_sign_in_permission_browsertest.cc
@@ -35,6 +35,7 @@
 #include "content/public/test/test_navigation_observer.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/default_handlers.h"
+#include "services/network/public/mojom/cookie_manager.mojom.h"
 #include "url/gurl.h"
 
 using net::test_server::EmbeddedTestServer;
diff --git a/browser/script_injector/script_injector_browsertest.cc b/browser/script_injector/script_injector_browsertest.cc
index fa59d4b420e..b9108ea6900 100644
--- a/browser/script_injector/script_injector_browsertest.cc
+++ b/browser/script_injector/script_injector_browsertest.cc
@@ -5,6 +5,7 @@
 
 #include <string>
 
+#include "base/strings/utf_string_conversions.h"
 #include "base/test/bind.h"
 #include "base/test/mock_callback.h"
 #include "brave/browser/brave_content_browser_client.h"
diff --git a/browser/test/disabled_features/window_name_browsertest.cc b/browser/test/disabled_features/window_name_browsertest.cc
index a2decdd9d4a..f176bc90c40 100644
--- a/browser/test/disabled_features/window_name_browsertest.cc
+++ b/browser/test/disabled_features/window_name_browsertest.cc
@@ -6,6 +6,7 @@
 #include <memory>
 
 #include "base/path_service.h"
+#include "base/strings/utf_string_conversions.h"
 #include "brave/components/constants/brave_paths.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/profiles/profile.h"
diff --git a/browser/ui/webui/brave_rewards/rewards_panel_ui.cc b/browser/ui/webui/brave_rewards/rewards_panel_ui.cc
index 596549b6a2f..1fc6d138039 100644
--- a/browser/ui/webui/brave_rewards/rewards_panel_ui.cc
+++ b/browser/ui/webui/brave_rewards/rewards_panel_ui.cc
@@ -26,7 +26,9 @@
 #include "components/grit/brave_components_strings.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
 #include "services/network/public/mojom/content_security_policy.mojom.h"
+#include "ui/base/webui/web_ui_util.h"
 
 namespace brave_rewards {
 
diff --git a/browser/ui/webui/brave_shields/cookie_list_opt_in_ui.cc b/browser/ui/webui/brave_shields/cookie_list_opt_in_ui.cc
index 716a4ac8cbb..caa6478ce1d 100644
--- a/browser/ui/webui/brave_shields/cookie_list_opt_in_ui.cc
+++ b/browser/ui/webui/brave_shields/cookie_list_opt_in_ui.cc
@@ -21,6 +21,8 @@
 #include "components/grit/brave_components_strings.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "ui/base/webui/web_ui_util.h"
 
 namespace {
 
diff --git a/browser/ui/webui/brave_shields/shields_panel_ui.cc b/browser/ui/webui/brave_shields/shields_panel_ui.cc
index 06e1c49aeb8..8bed154e787 100644
--- a/browser/ui/webui/brave_shields/shields_panel_ui.cc
+++ b/browser/ui/webui/brave_shields/shields_panel_ui.cc
@@ -23,6 +23,7 @@
 #include "components/favicon_base/favicon_url_parser.h"
 #include "components/grit/brave_components_resources.h"
 #include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
 #include "net/base/features.h"
 
 // Cache active Browser instance's TabStripModel to give
diff --git a/browser/web_package/signed_exchange_request_browsertest.cc b/browser/web_package/signed_exchange_request_browsertest.cc
index f8707368f0c..b48c526e33b 100644
--- a/browser/web_package/signed_exchange_request_browsertest.cc
+++ b/browser/web_package/signed_exchange_request_browsertest.cc
@@ -7,6 +7,7 @@
 #include <optional>
 
 #include "base/functional/bind.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
diff --git a/components/brave_shields/core/test/ad_block_component_service_unittest.cc b/components/brave_shields/core/test/ad_block_component_service_unittest.cc
index 5b98ba80529..7d91f163703 100644
--- a/components/brave_shields/core/test/ad_block_component_service_unittest.cc
+++ b/components/brave_shields/core/test/ad_block_component_service_unittest.cc
@@ -3,6 +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/.
 
+#include <algorithm>
+
 #include "brave/components/brave_shields/core/browser/filter_list_catalog_entry.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
diff --git a/components/content_settings/renderer/brave_content_settings_agent_impl.h b/components/content_settings/renderer/brave_content_settings_agent_impl.h
index c264f7c251b..9597e5340f2 100644
--- a/components/content_settings/renderer/brave_content_settings_agent_impl.h
+++ b/components/content_settings/renderer/brave_content_settings_agent_impl.h
@@ -22,6 +22,7 @@
 #include "mojo/public/cpp/bindings/associated_receiver_set.h"
 #include "mojo/public/cpp/bindings/associated_remote.h"
 #include "mojo/public/cpp/bindings/pending_associated_receiver.h"
+#include "third_party/blink/public/web/web_frame.h"
 
 #include "url/gurl.h"