diff --git a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
index 2c87dab4cb7c30..b35e61e510c435 100644
--- a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
+++ b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
@@ -2087,14 +2087,12 @@ bool SkiaOutputSurfaceImplOnGpu::InitializeForDawn() {
         GetDidSwapBuffersCompleteCallback());
     AddChildWindowToBrowser(output_device->GetChildSurfaceHandle());
     output_device_ = std::move(output_device);
-#elif BUILDFLAG(IS_APPLE)
+#elif BUILDFLAG(IS_MAC)
     presenter_ = dependency_->CreatePresenter(weak_ptr_factory_.GetWeakPtr(),
                                               gl::GLSurfaceFormat());
-#if BUILDFLAG(IS_MAC)
     if (features::UseGpuVsync()) {
       presenter_->SetVSyncDisplayID(renderer_settings_.display_id);
     }
-#endif
     output_device_ = std::make_unique<SkiaOutputDeviceBufferQueue>(
         std::make_unique<OutputPresenterGL>(
             presenter_, dependency_, shared_image_factory_.get(),
diff --git a/gpu/command_buffer/service/dawn_context_provider.cc b/gpu/command_buffer/service/dawn_context_provider.cc
index b51f23c4b98082..8fd1ea39bcf8bb 100644
--- a/gpu/command_buffer/service/dawn_context_provider.cc
+++ b/gpu/command_buffer/service/dawn_context_provider.cc
@@ -52,7 +52,7 @@ wgpu::BackendType GetDefaultBackendType() {
              : wgpu::BackendType::D3D11;
 #elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
   return wgpu::BackendType::Vulkan;
-#elif BUILDFLAG(IS_APPLE)
+#elif BUILDFLAG(IS_MAC)
   return wgpu::BackendType::Metal;
 #else
   NOTREACHED();
diff --git a/ui/gl/features.gni b/ui/gl/features.gni
index 83266614af09fa..fbc49c2ebecef4 100644
--- a/ui/gl/features.gni
+++ b/ui/gl/features.gni
@@ -18,8 +18,8 @@ declare_args() {
 
   # Should Dawn support be compiled to back the WebGPU implementation?
   # Also controls linking Dawn dependencies in such as SPIRV-Tools/SPIRV-Cross.
-  use_dawn = is_apple || is_win || is_chromeos_ash ||
-             (is_linux && !is_castos) || is_chromeos_lacros ||
+  use_dawn = is_mac || is_win || is_chromeos_ash || (is_linux && !is_castos) ||
+             is_chromeos_lacros ||
              (is_android && target_cpu != "x86" && target_cpu != "x64")
 
   # Should Dawn test binaries (unittests, end2end_tests, perf_tests) be built?