diff --git chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
index 07f06ac694f5..831fd9f82dbe 100644
--- chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
+++ chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/run_loop.h"
+#include "cef/libcef/features/features.h"
 #include "chrome/browser/chrome_browser_main.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service.h"
@@ -29,6 +30,7 @@
 
 namespace {
 
+#if !BUILDFLAG(ENABLE_CEF)
 ui::NativeTheme* GetNativeThemeForWindow(aura::Window* window) {
   if (!window)
     return nullptr;
@@ -53,6 +55,7 @@ ui::NativeTheme* GetNativeThemeForWindow(aura::Window* window) {
 
   return ui::NativeTheme::GetInstanceForNativeUi();
 }
+#endif  // !BUILDFLAG(ENABLE_CEF)
 
 }  // namespace
 
@@ -67,9 +70,11 @@ void ChromeBrowserMainExtraPartsViewsLinux::PreEarlyInitialization() {
   if (!linux_ui)
     return;
 
+#if !BUILDFLAG(ENABLE_CEF)
   linux_ui->SetNativeThemeOverride(
       base::BindRepeating(&GetNativeThemeForWindow));
   views::LinuxUI::SetInstance(linux_ui);
+#endif
 }
 
 void ChromeBrowserMainExtraPartsViewsLinux::ToolkitInitialized() {
diff --git chrome/test/BUILD.gn chrome/test/BUILD.gn
index dde2eafb88f0..2594b51f35b1 100644
--- chrome/test/BUILD.gn
+++ chrome/test/BUILD.gn
@@ -4609,7 +4609,7 @@ test("unit_tests") {
   if (use_gio) {
     configs += [ "//build/linux:gio_config" ]
   }
-  if (!is_chromeos && !use_ozone && is_linux) {
+  if (!is_chromeos && !use_ozone && is_linux && use_gtk) {
     deps += [ "//chrome/browser/ui/libgtkui" ]
   }
 
@@ -5666,7 +5666,7 @@ if (!is_android) {
           # suites, it seems like one or another starts timing out too.
           "../browser/ui/views/keyboard_access_browsertest.cc",
         ]
-        if (!use_ozone) {
+        if (!use_ozone && use_gtk) {
           sources += [
             "../browser/ui/libgtkui/select_file_dialog_interactive_uitest.cc",
           ]