diff --git a/shell/browser/native_window.cc b/shell/browser/native_window.cc
index 1f9c4a59f1..8ee5ab8016 100644
--- a/shell/browser/native_window.cc
+++ b/shell/browser/native_window.cc
@@ -72,31 +72,6 @@ struct Converter<electron::NativeWindow::TitleBarStyle> {
 
 namespace electron {
 
-namespace {
-
-#if BUILDFLAG(IS_WIN)
-gfx::Size GetExpandedWindowSize(const NativeWindow* window,
-                                bool transparent,
-                                gfx::Size size) {
-  if (!base::FeatureList::IsEnabled(
-          views::features::kEnableTransparentHwndEnlargement) ||
-      !transparent) {
-    return size;
-  }
-
-  gfx::Size min_size = display::win::GetScreenWin()->ScreenToDIPSize(
-      window->GetAcceleratedWidget(), gfx::Size{64, 64});
-
-  // Some AMD drivers can't display windows that are less than 64x64 pixels,
-  // so expand them to be at least that size. http://crbug.com/286609
-  gfx::Size expanded(std::max(size.width(), min_size.width()),
-                     std::max(size.height(), min_size.height()));
-  return expanded;
-}
-#endif
-
-}  // namespace
-
 NativeWindow::NativeWindow(const gin_helper::Dictionary& options,
                            NativeWindow* parent)
     : title_bar_style_{options.ValueOrDefault(options::kTitleBarStyle,
@@ -409,15 +384,7 @@ gfx::Size NativeWindow::GetContentMinimumSize() const {
 }
 
 gfx::Size NativeWindow::GetContentMaximumSize() const {
-  const auto size_constraints = GetContentSizeConstraints();
-  gfx::Size maximum_size = size_constraints.GetMaximumSize();
-
-#if BUILDFLAG(IS_WIN)
-  if (size_constraints.HasMaximumSize())
-    maximum_size = GetExpandedWindowSize(this, transparent(), maximum_size);
-#endif
-
-  return maximum_size;
+  return GetContentSizeConstraints().GetMaximumSize();
 }
 
 void NativeWindow::SetSheetOffset(const double offsetX, const double offsetY) {