diff --git a/browser/ui/views/brave_tooltips/brave_tooltip_popup.cc b/browser/ui/views/brave_tooltips/brave_tooltip_popup.cc
index ddd4b061940..369f3d883d8 100644
--- a/browser/ui/views/brave_tooltips/brave_tooltip_popup.cc
+++ b/browser/ui/views/brave_tooltips/brave_tooltip_popup.cc
@@ -18,8 +18,6 @@
 #include "ui/base/metadata/metadata_impl_macros.h"
 #include "ui/compositor/layer.h"
 #include "ui/display/screen.h"
-#include "ui/gfx/animation/linear_animation.h"
-#include "ui/gfx/animation/tween.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/gfx/geometry/insets.h"
@@ -63,8 +61,7 @@ constexpr int kCornerRadius = 7;
 namespace brave_tooltips {
 
 BraveTooltipPopup::BraveTooltipPopup(std::unique_ptr<BraveTooltip> tooltip)
-    : tooltip_(std::move(tooltip)),
-      animation_(std::make_unique<gfx::LinearAnimation>(this)) {
+    : tooltip_(std::move(tooltip)) {
   CreatePopup();
 
   NotifyAccessibilityEvent(ax::mojom::Event::kAlert, true);
@@ -73,8 +70,6 @@ BraveTooltipPopup::BraveTooltipPopup(std::unique_ptr<BraveTooltip> tooltip)
   if (screen) {
     screen->AddObserver(this);
   }
-
-  FadeIn();
 }
 
 BraveTooltipPopup::~BraveTooltipPopup() {
@@ -97,7 +92,7 @@ void BraveTooltipPopup::Close() {
     delegate->OnTooltipClose(tooltip_->id());
   }
 
-  FadeOut();
+  CloseWidget();
 }
 
 void BraveTooltipPopup::CloseWidget() {
@@ -112,7 +107,7 @@ void BraveTooltipPopup::OnOkButtonPressed() {
     delegate->OnTooltipOkButtonPressed(tooltip_->id());
   }
 
-  FadeOut();
+  Close();
 }
 
 void BraveTooltipPopup::OnCancelButtonPressed() {
@@ -127,7 +122,7 @@ void BraveTooltipPopup::OnCancelButtonPressed() {
     delegate->OnTooltipCancelButtonPressed(tooltip_->id());
   }
 
-  FadeOut();
+  Close();
 }
 
 void BraveTooltipPopup::set_normalized_display_coordinates(double x, double y) {
@@ -230,35 +225,6 @@ void BraveTooltipPopup::OnWidgetBoundsChanged(views::Widget* widget,
   widget_origin_ = new_bounds.origin();
 }
 
-void BraveTooltipPopup::AnimationEnded(const gfx::Animation* animation) {
-  UpdateAnimation();
-
-  switch (animation_state_) {
-    case AnimationState::kIdle: {
-      break;
-    }
-
-    case AnimationState::kFadeIn: {
-      animation_state_ = AnimationState::kIdle;
-      break;
-    }
-
-    case AnimationState::kFadeOut: {
-      animation_state_ = AnimationState::kIdle;
-      CloseWidget();
-      break;
-    }
-  }
-}
-
-void BraveTooltipPopup::AnimationProgressed(const gfx::Animation* animation) {
-  UpdateAnimation();
-}
-
-void BraveTooltipPopup::AnimationCanceled(const gfx::Animation* animation) {
-  UpdateAnimation();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 void BraveTooltipPopup::CreatePopup() {
@@ -369,7 +335,6 @@ void BraveTooltipPopup::CreateWidgetView() {
 
   widget->Init(std::move(params));
 
-  widget->SetOpacity(0.0);
   widget->ShowInactive();
 }
 
@@ -386,45 +351,6 @@ void BraveTooltipPopup::CloseWidgetView() {
   GetWidget()->CloseNow();
 }
 
-void BraveTooltipPopup::FadeIn() {
-  animation_state_ = AnimationState::kFadeIn;
-  animation_->SetDuration(base::Milliseconds(fade_duration_));
-  StartAnimation();
-}
-
-void BraveTooltipPopup::FadeOut() {
-  animation_state_ = AnimationState::kFadeOut;
-  animation_->SetDuration(base::Milliseconds(fade_duration_));
-  StartAnimation();
-}
-
-void BraveTooltipPopup::StartAnimation() {
-  animation_->Start();
-
-  UpdateAnimation();
-
-  DCHECK(animation_->is_animating());
-}
-
-void BraveTooltipPopup::UpdateAnimation() {
-  DCHECK_NE(animation_state_, AnimationState::kIdle);
-
-  if (!IsWidgetValid()) {
-    return;
-  }
-
-  const double value = gfx::Tween::CalculateValue(
-      animation_state_ == AnimationState::kFadeOut ? gfx::Tween::EASE_IN
-                                                   : gfx::Tween::EASE_OUT,
-      animation_->GetCurrentValue());
-
-  if (animation_state_ == AnimationState::kFadeIn) {
-    GetWidget()->SetOpacity(gfx::Tween::FloatValueBetween(value, 0.0f, 1.0f));
-  } else if (animation_state_ == AnimationState::kFadeOut) {
-    GetWidget()->SetOpacity(gfx::Tween::FloatValueBetween(value, 1.0f, 0.0f));
-  }
-}
-
 bool BraveTooltipPopup::IsWidgetValid() const {
   return GetWidget() && !GetWidget()->IsClosed();
 }
diff --git a/browser/ui/views/brave_tooltips/brave_tooltip_popup.h b/browser/ui/views/brave_tooltips/brave_tooltip_popup.h
index e10a9807adb..586f4190a62 100644
--- a/browser/ui/views/brave_tooltips/brave_tooltip_popup.h
+++ b/browser/ui/views/brave_tooltips/brave_tooltip_popup.h
@@ -16,7 +16,6 @@
 #include "brave/browser/ui/views/brave_tooltips/brave_tooltip_view.h"
 #include "ui/base/metadata/metadata_impl_macros.h"
 #include "ui/display/display_observer.h"
-#include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/shadow_util.h"
 #include "ui/gfx/shadow_value.h"
 #include "ui/views/controls/button/button.h"
@@ -24,7 +23,6 @@
 #include "ui/views/widget/widget_observer.h"
 
 namespace gfx {
-class LinearAnimation;
 class Point;
 class Rect;
 class Size;
@@ -56,7 +54,6 @@ class BraveTooltipView;
 // constructor). Finally, the tooltip is closed.
 class BraveTooltipPopup : public views::WidgetDelegateView,
                           public views::WidgetObserver,
-                          public gfx::AnimationDelegate,
                           public display::DisplayObserver {
   METADATA_HEADER(BraveTooltipPopup, views::WidgetDelegateView)
  public:
@@ -113,11 +110,6 @@ class BraveTooltipPopup : public views::WidgetDelegateView,
   void OnWidgetBoundsChanged(views::Widget* widget,
                              const gfx::Rect& new_bounds) override;
 
-  // AnimationDelegate:
-  void AnimationEnded(const gfx::Animation* animation) override;
-  void AnimationProgressed(const gfx::Animation* animation) override;
-  void AnimationCanceled(const gfx::Animation* animation) override;
-
  private:
   void CreatePopup();
 
@@ -133,12 +125,6 @@ class BraveTooltipPopup : public views::WidgetDelegateView,
 
   bool IsWidgetValid() const;
 
-  void StartAnimation();
-  void UpdateAnimation();
-
-  void FadeIn();
-  void FadeOut();
-
   std::unique_ptr<BraveTooltip> tooltip_;
 
   raw_ptr<BraveTooltipView> tooltip_view_ = nullptr;
@@ -151,17 +137,6 @@ class BraveTooltipPopup : public views::WidgetDelegateView,
   int display_work_area_inset_x_ = -13;
   int display_work_area_inset_y_ = 18;
 
-  int fade_duration_ = 200;
-
-  enum class AnimationState {
-    kIdle,
-    kFadeIn,
-    kFadeOut,
-  };
-
-  const std::unique_ptr<gfx::LinearAnimation> animation_;
-  AnimationState animation_state_ = AnimationState::kIdle;
-
   base::ScopedObservation<views::Widget, views::WidgetObserver>
       widget_observation_{this};
 };
diff --git a/browser/ui/views/brave_tooltips/brave_tooltips_unittest.cc b/browser/ui/views/brave_tooltips/brave_tooltips_unittest.cc
index 38d85baba9e..895e2ee0410 100644
--- a/browser/ui/views/brave_tooltips/brave_tooltips_unittest.cc
+++ b/browser/ui/views/brave_tooltips/brave_tooltips_unittest.cc
@@ -80,8 +80,6 @@ TEST_F(BraveTooltipsTest, OkButtonPressed) {
 
   ClickButton(tooltip_popup->ok_button_for_testing());
 
-  tooltip_popup->Close();
-
   mock_tooltip_delegate_.WaitForWidgetDestroyedNotification();
 
   tooltip_popup.release();
@@ -102,8 +100,6 @@ TEST_F(BraveTooltipsTest, CancelButtonPressed) {
 
   ClickButton(tooltip_popup->cancel_button_for_testing());
 
-  tooltip_popup->Close();
-
   mock_tooltip_delegate_.WaitForWidgetDestroyedNotification();
 
   tooltip_popup.release();