diff --git a/chrome/browser/ui/views/chrome_views_delegate.h b/chrome/browser/ui/views/chrome_views_delegate.h
index 64510ab8735a60..c24f97b8c74fd3 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.h
+++ b/chrome/browser/ui/views/chrome_views_delegate.h
@@ -61,10 +61,6 @@ class ChromeViewsDelegate : public views::ViewsDelegate {
   ui::ContextFactoryPrivate* GetContextFactoryPrivate() override;
   std::string GetApplicationName() override;
 
-#if defined(OS_MACOSX)
-  bool ShouldMirrorArrowsInRTL() const override;
-#endif
-
  private:
 #if defined(OS_WIN)
   typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
diff --git a/chrome/browser/ui/views/chrome_views_delegate_mac.cc b/chrome/browser/ui/views/chrome_views_delegate_mac.cc
index 65789e228434e6..1321275ee1cdc0 100644
--- a/chrome/browser/ui/views/chrome_views_delegate_mac.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate_mac.cc
@@ -13,7 +13,3 @@ views::NativeWidget* ChromeViewsDelegate::CreateNativeWidget(
   // By returning null Widget creates the default NativeWidget implementation.
   return nullptr;
 }
-
-bool ChromeViewsDelegate::ShouldMirrorArrowsInRTL() const {
-  return base::FeatureList::IsEnabled(features::kMacRTL);
-}
diff --git a/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc b/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc
index 8b3390974d879f..23ea17203870c6 100644
--- a/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc
+++ b/chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc
@@ -121,14 +121,6 @@ PermissionsBubbleDialogDelegateView::PermissionsBubbleDialogDelegateView(
 
   set_close_on_deactivate(false);
 
-#if defined(OS_MACOSX)
-  // On Mac, the browser UI flips depending on a runtime feature. TODO(tapted):
-  // Change the default in views::PlatformStyle when features::kMacRTL launches,
-  // and remove the following.
-  if (base::FeatureList::IsEnabled(features::kMacRTL))
-    set_mirror_arrow_in_rtl(true);
-#endif
-
   ChromeLayoutProvider* provider = ChromeLayoutProvider::Get();
   SetLayoutManager(std::make_unique<views::BoxLayout>(
       views::BoxLayout::kVertical, gfx::Insets(),
diff --git a/ui/views/bubble/bubble_dialog_delegate_view.cc b/ui/views/bubble/bubble_dialog_delegate_view.cc
index ed467885a35752..5372e93ebe65e3 100644
--- a/ui/views/bubble/bubble_dialog_delegate_view.cc
+++ b/ui/views/bubble/bubble_dialog_delegate_view.cc
@@ -16,7 +16,6 @@
 #include "ui/views/layout/layout_manager.h"
 #include "ui/views/layout/layout_provider.h"
 #include "ui/views/view_properties.h"
-#include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/window/dialog_client_view.h"
@@ -134,7 +133,6 @@ bool BubbleDialogDelegateView::ShouldShowCloseButton() const {
 
 ClientView* BubbleDialogDelegateView::CreateClientView(Widget* widget) {
   DialogClientView* client = new DialogClientView(widget, GetContentsView());
-  widget->non_client_view()->set_mirror_client_in_rtl(mirror_arrow_in_rtl_);
   return client;
 }
 
@@ -148,7 +146,7 @@ NonClientFrameView* BubbleDialogDelegateView::CreateNonClientFrameView(
   frame->SetFootnoteView(CreateFootnoteView());
 
   BubbleBorder::Arrow adjusted_arrow = arrow();
-  if (base::i18n::IsRTL() && mirror_arrow_in_rtl_)
+  if (base::i18n::IsRTL())
     adjusted_arrow = BubbleBorder::horizontal_mirror(adjusted_arrow);
   std::unique_ptr<BubbleBorder> border =
       std::make_unique<BubbleBorder>(adjusted_arrow, GetShadow(), color());
@@ -275,8 +273,6 @@ BubbleDialogDelegateView::BubbleDialogDelegateView(View* anchor_view,
       anchor_view_tracker_(std::make_unique<ViewTracker>()),
       anchor_widget_(nullptr),
       arrow_(arrow),
-      mirror_arrow_in_rtl_(
-          ViewsDelegate::GetInstance()->ShouldMirrorArrowsInRTL()),
       shadow_(shadow),
       color_explicitly_set_(false),
       accept_events_(true),
diff --git a/ui/views/bubble/bubble_dialog_delegate_view.h b/ui/views/bubble/bubble_dialog_delegate_view.h
index 79581e3e083c64..a5b2d11c96bf18 100644
--- a/ui/views/bubble/bubble_dialog_delegate_view.h
+++ b/ui/views/bubble/bubble_dialog_delegate_view.h
@@ -77,8 +77,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   BubbleBorder::Arrow arrow() const { return arrow_; }
   void SetArrow(BubbleBorder::Arrow arrow);
 
-  void set_mirror_arrow_in_rtl(bool mirror) { mirror_arrow_in_rtl_ = mirror; }
-
   BubbleBorder::Shadow GetShadow() const;
   void set_shadow(BubbleBorder::Shadow shadow) { shadow_ = shadow; }
 
@@ -205,9 +203,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   // The arrow's location on the bubble.
   BubbleBorder::Arrow arrow_;
 
-  // Automatically mirror the arrow in RTL layout.
-  bool mirror_arrow_in_rtl_;
-
   // Bubble border shadow to use.
   BubbleBorder::Shadow shadow_;
 
diff --git a/ui/views/bubble/bubble_dialog_delegate_view_unittest.cc b/ui/views/bubble/bubble_dialog_delegate_view_unittest.cc
index cf205c20d3f63a..dd72bf4f8e6098 100644
--- a/ui/views/bubble/bubble_dialog_delegate_view_unittest.cc
+++ b/ui/views/bubble/bubble_dialog_delegate_view_unittest.cc
@@ -132,25 +132,6 @@ TEST_F(BubbleDialogDelegateViewTest, CreateDelegate) {
   EXPECT_TRUE(bubble_observer.widget_closed());
 }
 
-TEST_F(BubbleDialogDelegateViewTest, MirrorArrowInRtl) {
-  std::string default_locale = base::i18n::GetConfiguredLocale();
-  std::unique_ptr<Widget> anchor_widget(CreateTestWidget());
-  for (bool rtl : {false, true}) {
-    base::i18n::SetICUDefaultLocale(rtl ? "he" : "en");
-    EXPECT_EQ(rtl, base::i18n::IsRTL());
-    for (bool mirror : {false, true}) {
-      TestBubbleDialogDelegateView* bubble =
-          new TestBubbleDialogDelegateView(anchor_widget->GetContentsView());
-      bubble->set_mirror_arrow_in_rtl(mirror);
-      BubbleDialogDelegateView::CreateBubble(bubble);
-      EXPECT_EQ(rtl && mirror ? BubbleBorder::horizontal_mirror(bubble->arrow())
-                              : bubble->arrow(),
-                bubble->GetBubbleFrameView()->bubble_border()->arrow());
-    }
-  }
-  base::i18n::SetICUDefaultLocale(default_locale);
-}
-
 TEST_F(BubbleDialogDelegateViewTest, CloseAnchorWidget) {
   std::unique_ptr<Widget> anchor_widget(CreateTestWidget());
   BubbleDialogDelegateView* bubble_delegate =
diff --git a/ui/views/views_delegate.cc b/ui/views/views_delegate.cc
index ec2f9411969600..68ac0732a9532e 100644
--- a/ui/views/views_delegate.cc
+++ b/ui/views/views_delegate.cc
@@ -131,10 +131,6 @@ int ViewsDelegate::GetAppbarAutohideEdges(HMONITOR monitor,
 }
 #endif
 
-bool ViewsDelegate::ShouldMirrorArrowsInRTL() const {
-  return true;
-}
-
 #if defined(USE_AURA)
 void ViewsDelegate::SetTouchSelectionMenuRunner(
     std::unique_ptr<TouchSelectionMenuRunnerViews> menu_runner) {
diff --git a/ui/views/views_delegate.h b/ui/views/views_delegate.h
index 8d31332309e178..ab1ccc50c71be7 100644
--- a/ui/views/views_delegate.h
+++ b/ui/views/views_delegate.h
@@ -196,10 +196,6 @@ class VIEWS_EXPORT ViewsDelegate {
                                      const base::Closure& callback);
 #endif
 
-  // Whether to mirror the arrow of bubble dialogs in RTL, such that the bubble
-  // opens in the opposite direction.
-  virtual bool ShouldMirrorArrowsInRTL() const;
-
  protected:
   ViewsDelegate();
 
diff --git a/ui/views/window/non_client_view.cc b/ui/views/window/non_client_view.cc
index cad54b2424a12d..eb874a063a8ef6 100644
--- a/ui/views/window/non_client_view.cc
+++ b/ui/views/window/non_client_view.cc
@@ -43,7 +43,6 @@ bool NonClientFrameView::GetClientMask(const gfx::Size& size,
 
 NonClientView::NonClientView()
     : client_view_(nullptr),
-      mirror_client_in_rtl_(true),
       overlay_view_(nullptr) {
   SetEventTargeter(
       std::unique_ptr<views::ViewTargeter>(new views::ViewTargeter(this)));
@@ -166,10 +165,6 @@ void NonClientView::Layout() {
   // Then layout the ClientView, using those bounds.
   gfx::Rect client_bounds = frame_view_->GetBoundsForClientView();
 
-  // RTL code will mirror the ClientView in the frame by default.  If this isn't
-  // desired, do a second mirror here to get the standard LTR position.
-  if (base::i18n::IsRTL() && !mirror_client_in_rtl_)
-    client_bounds.set_x(GetMirroredXForRect(client_bounds));
 
   if (client_bounds != client_view_->bounds()) {
     client_view_->SetBoundsRect(client_bounds);
diff --git a/ui/views/window/non_client_view.h b/ui/views/window/non_client_view.h
index 27cc19d8bad9ea..8a11a2790bd7b3 100644
--- a/ui/views/window/non_client_view.h
+++ b/ui/views/window/non_client_view.h
@@ -217,8 +217,6 @@ class VIEWS_EXPORT NonClientView : public View, public ViewTargeterDelegate {
     client_view_ = client_view;
   }
 
-  void set_mirror_client_in_rtl(bool mirror) { mirror_client_in_rtl_ = mirror; }
-
   // Layout just the frame view. This is necessary on Windows when non-client
   // metrics such as the position of the window controls changes independently
   // of a window resize message.
@@ -251,9 +249,6 @@ class VIEWS_EXPORT NonClientView : public View, public ViewTargeterDelegate {
   // implementation.
   ClientView* client_view_;
 
-  // Set to false if client_view_ position shouldn't be mirrored in RTL.
-  bool mirror_client_in_rtl_;
-
   // The NonClientFrameView that renders the non-client portions of the window.
   // This object is not owned by the view hierarchy because it can be replaced
   // dynamically as the system settings change.