diff --git a/blink/renderer/build/scripts/core/style/computed_style_fields.py b/blink/renderer/build/scripts/core/style/computed_style_fields.py
index 3f2199b49544..c92a1528a63f 100644
--- a/blink/renderer/build/scripts/core/style/computed_style_fields.py
+++ b/blink/renderer/build/scripts/core/style/computed_style_fields.py
@@ -185,7 +185,10 @@ def __init__(self, field_role, name_for_methods, property_name, type_name,
             assert self.is_inherited or not self.is_independent, \
                 'Only inherited fields can be independent'
 
+            suffix = ['is', 'inherited']
+            if 'getter' in self.computed_style_custom_functions:
+                suffix.append('internal')
             self.is_inherited_method_name = name_source.to_function_name(
-                suffix=['is', 'inherited'])
+                suffix=suffix)
         assert len(kwargs) == 0, \
             'Unexpected arguments provided to Field: ' + str(kwargs)
diff --git a/blink/renderer/core/css/css_properties.json5 b/blink/renderer/core/css/css_properties.json5
index 75021317018f..ad9b53ac61ba 100644
--- a/blink/renderer/core/css/css_properties.json5
+++ b/blink/renderer/core/css/css_properties.json5
@@ -3436,6 +3436,7 @@
     {
       name: "pointer-events",
       property_methods: ["CSSValueFromComputedStyleInternal"],
+      computed_style_custom_functions: ["getter"],
       independent: true,
       inherited: true,
       field_template: "keyword",
diff --git a/blink/renderer/core/layout/layout_object.h b/blink/renderer/core/layout/layout_object.h
index ce41c0fe4f2c..013ff553b85a 100644
--- a/blink/renderer/core/layout/layout_object.h
+++ b/blink/renderer/core/layout/layout_object.h
@@ -2849,7 +2849,7 @@ class CORE_EXPORT LayoutObject : public GarbageCollected<LayoutObject>,
     NOT_DESTROYED();
     return StyleRef().Visibility() == EVisibility::kVisible &&
            (request.IgnorePointerEventsNone() ||
-            StyleRef().PointerEvents() != EPointerEvents::kNone);
+            StyleRef().UsedPointerEvents() != EPointerEvents::kNone);
   }
 
   bool VisibleToHitTesting() const {
diff --git a/blink/renderer/core/layout/svg/layout_svg_container.cc b/blink/renderer/core/layout/svg/layout_svg_container.cc
index c7ce425275cc..d4ba15a5da43 100644
--- a/blink/renderer/core/layout/svg/layout_svg_container.cc
+++ b/blink/renderer/core/layout/svg/layout_svg_container.cc
@@ -214,7 +214,7 @@ bool LayoutSVGContainer::NodeAtPoint(HitTestResult& result,
 
   // pointer-events: bounding-box makes it possible for containers to be direct
   // targets.
-  if (StyleRef().PointerEvents() == EPointerEvents::kBoundingBox) {
+  if (StyleRef().UsedPointerEvents() == EPointerEvents::kBoundingBox) {
     // Check for a valid bounding box because it will be invalid for empty
     // containers.
     if (IsObjectBoundingBoxValid() &&
diff --git a/blink/renderer/core/layout/svg/layout_svg_image.cc b/blink/renderer/core/layout/svg/layout_svg_image.cc
index 204932d117d5..63f1c980cc9d 100644
--- a/blink/renderer/core/layout/svg/layout_svg_image.cc
+++ b/blink/renderer/core/layout/svg/layout_svg_image.cc
@@ -218,7 +218,7 @@ bool LayoutSVGImage::NodeAtPoint(HitTestResult& result,
   const ComputedStyle& style = StyleRef();
   PointerEventsHitRules hit_rules(PointerEventsHitRules::SVG_IMAGE_HITTESTING,
                                   result.GetHitTestRequest(),
-                                  style.PointerEvents());
+                                  style.UsedPointerEvents());
   if (hit_rules.require_visible && style.Visibility() != EVisibility::kVisible)
     return false;
 
diff --git a/blink/renderer/core/layout/svg/layout_svg_shape.cc b/blink/renderer/core/layout/svg/layout_svg_shape.cc
index 80382679d159..1f62f9df64b8 100644
--- a/blink/renderer/core/layout/svg/layout_svg_shape.cc
+++ b/blink/renderer/core/layout/svg/layout_svg_shape.cc
@@ -402,7 +402,7 @@ bool LayoutSVGShape::NodeAtPoint(HitTestResult& result,
   const ComputedStyle& style = StyleRef();
   const PointerEventsHitRules hit_rules(
       PointerEventsHitRules::SVG_GEOMETRY_HITTESTING,
-      result.GetHitTestRequest(), style.PointerEvents());
+      result.GetHitTestRequest(), style.UsedPointerEvents());
   if (hit_rules.require_visible && style.Visibility() != EVisibility::kVisible)
     return false;
 
diff --git a/blink/renderer/core/layout/svg/layout_svg_text.cc b/blink/renderer/core/layout/svg/layout_svg_text.cc
index 3b448a7126b3..a523ed5824d6 100644
--- a/blink/renderer/core/layout/svg/layout_svg_text.cc
+++ b/blink/renderer/core/layout/svg/layout_svg_text.cc
@@ -355,7 +355,7 @@ bool LayoutSVGText::NodeAtPoint(HitTestResult& result,
     return true;
 
   // Consider the bounding box if requested.
-  if (StyleRef().PointerEvents() == EPointerEvents::kBoundingBox) {
+  if (StyleRef().UsedPointerEvents() == EPointerEvents::kBoundingBox) {
     if (IsObjectBoundingBoxValid() &&
         local_location->Intersects(ObjectBoundingBox())) {
       UpdateHitTestResult(result, PhysicalOffset::FromFloatPointRound(
diff --git a/blink/renderer/core/layout/svg/line/svg_inline_text_box.cc b/blink/renderer/core/layout/svg/line/svg_inline_text_box.cc
index e47edf129231..e3db41fa1d73 100644
--- a/blink/renderer/core/layout/svg/line/svg_inline_text_box.cc
+++ b/blink/renderer/core/layout/svg/line/svg_inline_text_box.cc
@@ -309,7 +309,7 @@ bool SVGInlineTextBox::NodeAtPoint(HitTestResult& result,
   const ComputedStyle& style = line_layout_item.StyleRef();
   PointerEventsHitRules hit_rules(PointerEventsHitRules::SVG_TEXT_HITTESTING,
                                   result.GetHitTestRequest(),
-                                  style.PointerEvents());
+                                  style.UsedPointerEvents());
   if (hit_rules.require_visible && style.Visibility() != EVisibility::kVisible)
     return false;
   if (hit_rules.can_hit_bounding_box ||
diff --git a/blink/renderer/core/paint/ng/ng_box_fragment_painter.cc b/blink/renderer/core/paint/ng/ng_box_fragment_painter.cc
index c120e8601431..40d02bcf40d9 100644
--- a/blink/renderer/core/paint/ng/ng_box_fragment_painter.cc
+++ b/blink/renderer/core/paint/ng/ng_box_fragment_painter.cc
@@ -105,7 +105,7 @@ inline bool IsVisibleToPaint(const NGFragmentItem& item,
 inline bool IsVisibleToHitTest(const ComputedStyle& style,
                                const HitTestRequest& request) {
   return request.IgnorePointerEventsNone() ||
-         style.PointerEvents() != EPointerEvents::kNone;
+         style.UsedPointerEvents() != EPointerEvents::kNone;
 }
 
 inline bool IsVisibleToHitTest(const NGFragmentItem& item,
@@ -117,7 +117,7 @@ inline bool IsVisibleToHitTest(const NGFragmentItem& item,
   if (item.IsHiddenForPaint())
     return false;
   PointerEventsHitRules hit_rules(PointerEventsHitRules::SVG_TEXT_HITTESTING,
-                                  request, style.PointerEvents());
+                                  request, style.UsedPointerEvents());
   if (hit_rules.require_visible && style.Visibility() != EVisibility::kVisible)
     return false;
   if (hit_rules.can_hit_bounding_box ||
@@ -1930,7 +1930,7 @@ bool NGBoxFragmentPainter::NodeAtPoint(const HitTestContext& hit_test,
       hit_test_self = false;
     } else if (fragment.IsSvgText()) {
       pointer_events_bounding_box =
-          fragment.Style().PointerEvents() == EPointerEvents::kBoundingBox;
+          fragment.Style().UsedPointerEvents() == EPointerEvents::kBoundingBox;
       hit_test_self = pointer_events_bounding_box;
     }
   }
@@ -2271,7 +2271,7 @@ bool NGBoxFragmentPainter::HitTestChildBoxItem(
   }
 
   if (cursor.ContainerFragment().IsSvgText() &&
-      item.Style().PointerEvents() != EPointerEvents::kBoundingBox)
+      item.Style().UsedPointerEvents() != EPointerEvents::kBoundingBox)
     return false;
 
   // Now hit test ourselves.
diff --git a/blink/renderer/core/paint/paint_layer.cc b/blink/renderer/core/paint/paint_layer.cc
index fefafa968e1a..086b9325eef3 100644
--- a/blink/renderer/core/paint/paint_layer.cc
+++ b/blink/renderer/core/paint/paint_layer.cc
@@ -3457,8 +3457,8 @@ bool PaintLayer::AttemptDirectCompositingUpdate(
   // Changes in pointer-events affect hit test visibility of the scrollable
   // area and its |m_scrollsOverflow| value which determines if the layer
   // requires composited scrolling or not.
-  if (scrollable_area_ &&
-      layout_object_->StyleRef().PointerEvents() != old_style->PointerEvents())
+  if (scrollable_area_ && layout_object_->StyleRef().UsedPointerEvents() !=
+                              old_style->UsedPointerEvents())
     return false;
 
   UpdateTransform(old_style, GetLayoutObject().StyleRef());
diff --git a/blink/renderer/core/style/computed_style.h b/blink/renderer/core/style/computed_style.h
index 9b4199108c67..507543cdaf3c 100644
--- a/blink/renderer/core/style/computed_style.h
+++ b/blink/renderer/core/style/computed_style.h
@@ -135,6 +135,7 @@ class InternalVisitedTextFillColor;
 class InternalVisitedTextStrokeColor;
 class LightingColor;
 class OutlineColor;
+class PointerEvents;
 class Position;
 class Resize;
 class StopColor;
@@ -248,6 +249,7 @@ class ComputedStyle : public ComputedStyleBase,
   friend class css_longhand::InternalVisitedTextStrokeColor;
   friend class css_longhand::LightingColor;
   friend class css_longhand::OutlineColor;
+  friend class css_longhand::PointerEvents;
   friend class css_longhand::Position;
   friend class css_longhand::Resize;
   friend class css_longhand::StopColor;
@@ -2186,6 +2188,13 @@ class ComputedStyle : public ComputedStyleBase,
   }
   void SetIsForcedInert() { SetInertnessInternal(Inertness::kForced); }
 
+  // Pointer-events utility functions.
+  EPointerEvents UsedPointerEvents() const {
+    if (IsInert())
+      return EPointerEvents::kNone;
+    return PointerEventsInternal();
+  }
+
   // Text decoration utility functions.
   bool TextDecorationVisualOverflowEqual(const ComputedStyle& o) const;
   void ApplyTextDecorations(const Color& parent_text_decoration_color,
@@ -2256,7 +2265,7 @@ class ComputedStyle : public ComputedStyleBase,
   // Visibility utility functions.
   bool VisibleToHitTesting() const {
     return Visibility() == EVisibility::kVisible &&
-           PointerEvents() != EPointerEvents::kNone;
+           UsedPointerEvents() != EPointerEvents::kNone;
   }
 
   // Animation utility functions.
@@ -2693,6 +2702,7 @@ class ComputedStyle : public ComputedStyleBase,
  private:
   EClear Clear() const { return ClearInternal(); }
   EFloat Floating() const { return FloatingInternal(); }
+  EPointerEvents PointerEvents() const { return PointerEventsInternal(); }
   EResize Resize() const { return ResizeInternal(); }
 
   bool IsInlineSizeContainer() const {
diff --git a/blink/renderer/core/svg/svg_svg_element.cc b/blink/renderer/core/svg/svg_svg_element.cc
index 3f80a8840d64..8b60e25b8572 100644
--- a/blink/renderer/core/svg/svg_svg_element.cc
+++ b/blink/renderer/core/svg/svg_svg_element.cc
@@ -322,7 +322,7 @@ bool SVGSVGElement::CheckIntersectionOrEnclosure(
   LayoutObject* layout_object = element.GetLayoutObject();
   DCHECK(!layout_object || layout_object->Style());
   if (!layout_object ||
-      layout_object->StyleRef().PointerEvents() == EPointerEvents::kNone)
+      layout_object->StyleRef().UsedPointerEvents() == EPointerEvents::kNone)
     return false;
 
   if (!IsIntersectionOrEnclosureTarget(layout_object))
diff --git a/blink/web_tests/external/wpt/html/semantics/interactive-elements/the-dialog-element/dialog-inert.tentative-expected.txt b/blink/web_tests/external/wpt/html/semantics/interactive-elements/the-dialog-element/dialog-inert.tentative-expected.txt
deleted file mode 100644
index 9dd4bfe5af30..000000000000
--- a/blink/web_tests/external/wpt/html/semantics/interactive-elements/the-dialog-element/dialog-inert.tentative-expected.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-This is a testharness.js-based test.
-FAIL dialog-inert assert_not_equals: Dialog becomes inert dynamically got disallowed value Element node <dialog id="dialog" open="" inert="">Something</dialog>
-Harness: the test ran to completion.
-
diff --git a/blink/web_tests/external/wpt/inert/inert-computed-style-expected.txt b/blink/web_tests/external/wpt/inert/inert-computed-style-expected.txt
deleted file mode 100644
index 416c46a8e774..000000000000
--- a/blink/web_tests/external/wpt/inert/inert-computed-style-expected.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-This is a testharness.js-based test.
-FAIL inert isn't hit-testable, but that isn't expose in the computed style assert_equals: inert node is transparent to events (as pointer-events: none) expected Element node <div id="non-inert"></div> but got Element node <div id="inert" inert=""></div>
-Harness: the test ran to completion.
-