diff --git a/Libraries/LibWeb/DOM/Element.cpp b/Libraries/LibWeb/DOM/Element.cpp
index 15f96b626fb..cee6a5a7129 100644
--- a/Libraries/LibWeb/DOM/Element.cpp
+++ b/Libraries/LibWeb/DOM/Element.cpp
@@ -1089,9 +1089,9 @@ void Element::inserted()
         document().element_with_name_was_added({}, *this);
 }
 
-void Element::removed_from(Node* node)
+void Element::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(node);
+    Base::removed_from(old_parent, old_root);
 
     if (m_id.has_value())
         document().element_with_id_was_removed({}, *this);
diff --git a/Libraries/LibWeb/DOM/Element.h b/Libraries/LibWeb/DOM/Element.h
index cf1e31aba2b..71c9778f85b 100644
--- a/Libraries/LibWeb/DOM/Element.h
+++ b/Libraries/LibWeb/DOM/Element.h
@@ -403,7 +403,7 @@ protected:
     virtual void initialize(JS::Realm&) override;
 
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void children_changed() override;
     virtual i32 default_tab_index_value() const;
 
diff --git a/Libraries/LibWeb/DOM/Node.cpp b/Libraries/LibWeb/DOM/Node.cpp
index 5796ac3b88b..224772e9728 100644
--- a/Libraries/LibWeb/DOM/Node.cpp
+++ b/Libraries/LibWeb/DOM/Node.cpp
@@ -906,9 +906,11 @@ void Node::remove(bool suppress_observers)
     if (auto assigned_slot = assigned_slot_for_node(*this))
         assign_slottables(*assigned_slot);
 
+    auto& parent_root = parent->root();
+
     // 13. If parent’s root is a shadow root, and parent is a slot whose assigned nodes is the empty list, then run
     //     signal a slot change for parent.
-    if (parent->root().is_shadow_root() && is<HTML::HTMLSlotElement>(parent)) {
+    if (parent_root.is_shadow_root() && is<HTML::HTMLSlotElement>(parent)) {
         auto& slot = static_cast<HTML::HTMLSlotElement&>(*parent);
 
         if (slot.assigned_nodes_internal().is_empty())
@@ -925,14 +927,14 @@ void Node::remove(bool suppress_observers)
 
     if (has_descendent_slot) {
         // 1. Run assign slottables for a tree with parent’s root.
-        assign_slottables_for_a_tree(parent->root());
+        assign_slottables_for_a_tree(parent_root);
 
         // 2. Run assign slottables for a tree with node.
         assign_slottables_for_a_tree(*this);
     }
 
     // 15. Run the removing steps with node and parent.
-    removed_from(parent);
+    removed_from(parent, parent_root);
 
     // 16. Let isParentConnected be parent’s connected.
     bool is_parent_connected = parent->is_connected();
@@ -953,7 +955,7 @@ void Node::remove(bool suppress_observers)
     // 18. For each shadow-including descendant descendant of node, in shadow-including tree order, then:
     for_each_shadow_including_descendant([&](Node& descendant) {
         // 1. Run the removing steps with descendant
-        descendant.removed_from(nullptr);
+        descendant.removed_from(nullptr, parent_root);
 
         // 2. If descendant is custom and isParentConnected is true, then enqueue a custom element callback reaction with descendant,
         //    callback name "disconnectedCallback", and an empty argument list.
@@ -1433,7 +1435,7 @@ void Node::inserted()
     set_needs_style_update(true);
 }
 
-void Node::removed_from(Node*)
+void Node::removed_from(Node*, Node&)
 {
     m_layout_node = nullptr;
     m_paintable = nullptr;
diff --git a/Libraries/LibWeb/DOM/Node.h b/Libraries/LibWeb/DOM/Node.h
index 27c57cae837..eab753f2672 100644
--- a/Libraries/LibWeb/DOM/Node.h
+++ b/Libraries/LibWeb/DOM/Node.h
@@ -261,7 +261,7 @@ public:
 
     virtual void inserted();
     virtual void post_connection();
-    virtual void removed_from(Node*);
+    virtual void removed_from(Node* old_parent, Node& old_root);
     virtual void children_changed() { }
     virtual void adopted_from(Document&) { }
     virtual WebIDL::ExceptionOr<void> cloned(Node&, bool) const { return {}; }
diff --git a/Libraries/LibWeb/HTML/FormAssociatedElement.h b/Libraries/LibWeb/HTML/FormAssociatedElement.h
index 7fee0ca378d..7173e10d46d 100644
--- a/Libraries/LibWeb/HTML/FormAssociatedElement.h
+++ b/Libraries/LibWeb/HTML/FormAssociatedElement.h
@@ -38,11 +38,11 @@ private:
         form_associated_element_was_inserted();                                                                                                                             \
     }                                                                                                                                                                       \
                                                                                                                                                                             \
-    virtual void removed_from(DOM::Node* node) override                                                                                                                     \
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override                                                                                          \
     {                                                                                                                                                                       \
-        ElementBaseClass::removed_from(node);                                                                                                                               \
+        ElementBaseClass::removed_from(old_parent, old_root);                                                                                                               \
         form_node_was_removed();                                                                                                                                            \
-        form_associated_element_was_removed(node);                                                                                                                          \
+        form_associated_element_was_removed(old_parent);                                                                                                                    \
     }                                                                                                                                                                       \
                                                                                                                                                                             \
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override \
diff --git a/Libraries/LibWeb/HTML/HTMLBaseElement.cpp b/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
index 9b153fa730e..d484629f4ce 100644
--- a/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLBaseElement.cpp
@@ -40,9 +40,9 @@ void HTMLBaseElement::inserted()
         set_the_frozen_base_url();
 }
 
-void HTMLBaseElement::removed_from(Node* parent)
+void HTMLBaseElement::removed_from(Node* old_parent, Node& old_root)
 {
-    HTMLElement::removed_from(parent);
+    HTMLElement::removed_from(old_parent, old_root);
     document().update_base_element({});
 }
 
diff --git a/Libraries/LibWeb/HTML/HTMLBaseElement.h b/Libraries/LibWeb/HTML/HTMLBaseElement.h
index 3350a75174e..1c953433c81 100644
--- a/Libraries/LibWeb/HTML/HTMLBaseElement.h
+++ b/Libraries/LibWeb/HTML/HTMLBaseElement.h
@@ -23,7 +23,7 @@ public:
     URL::URL const& frozen_base_url() const { return m_frozen_base_url; }
 
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
 
 private:
diff --git a/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp b/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
index 7227d623032..6b6ac1688cc 100644
--- a/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLDetailsElement.cpp
@@ -52,8 +52,9 @@ void HTMLDetailsElement::inserted()
     update_shadow_tree_slots();
 }
 
-void HTMLDetailsElement::removed_from(DOM::Node*)
+void HTMLDetailsElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
+    Base::removed_from(old_parent, old_root);
     set_shadow_root(nullptr);
 }
 
diff --git a/Libraries/LibWeb/HTML/HTMLDetailsElement.h b/Libraries/LibWeb/HTML/HTMLDetailsElement.h
index 8dd57f2e580..89d9d7d90a5 100644
--- a/Libraries/LibWeb/HTML/HTMLDetailsElement.h
+++ b/Libraries/LibWeb/HTML/HTMLDetailsElement.h
@@ -32,7 +32,7 @@ private:
     virtual void visit_edges(Cell::Visitor&) override;
 
     virtual void inserted() override;
-    virtual void removed_from(DOM::Node*) override;
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override;
     virtual void children_changed() override;
     virtual void attribute_changed(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
 
diff --git a/Libraries/LibWeb/HTML/HTMLDialogElement.cpp b/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
index 79476d61a62..902d6338a03 100644
--- a/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLDialogElement.cpp
@@ -41,9 +41,9 @@ void HTMLDialogElement::visit_edges(JS::Cell::Visitor& visitor)
     visitor.visit(m_close_watcher);
 }
 
-void HTMLDialogElement::removed_from(Node* old_parent)
+void HTMLDialogElement::removed_from(Node* old_parent, Node& old_root)
 {
-    HTMLElement::removed_from(old_parent);
+    HTMLElement::removed_from(old_parent, old_root);
 
     // 1. If removedNode's close watcher is not null, then:
     if (m_close_watcher) {
diff --git a/Libraries/LibWeb/HTML/HTMLDialogElement.h b/Libraries/LibWeb/HTML/HTMLDialogElement.h
index 3d910ee4949..6c21c2e2e8a 100644
--- a/Libraries/LibWeb/HTML/HTMLDialogElement.h
+++ b/Libraries/LibWeb/HTML/HTMLDialogElement.h
@@ -20,7 +20,7 @@ class HTMLDialogElement final : public HTMLElement {
 public:
     virtual ~HTMLDialogElement() override;
 
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     String return_value() const;
     void set_return_value(String);
diff --git a/Libraries/LibWeb/HTML/HTMLElement.cpp b/Libraries/LibWeb/HTML/HTMLElement.cpp
index d819ee27309..45ebe83fc5a 100644
--- a/Libraries/LibWeb/HTML/HTMLElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLElement.cpp
@@ -1286,9 +1286,9 @@ void HTMLElement::did_lose_focus()
     document().editing_host_manager()->set_active_contenteditable_element(nullptr);
 }
 
-void HTMLElement::removed_from(Node* old_parent)
+void HTMLElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Element::removed_from(old_parent);
+    Element::removed_from(old_parent, old_root);
 
     // If removedNode's popover attribute is not in the no popover state, then run the hide popover algorithm given removedNode, false, false, and false.
     if (popover().has_value())
diff --git a/Libraries/LibWeb/HTML/HTMLElement.h b/Libraries/LibWeb/HTML/HTMLElement.h
index 2f7699e60a7..5091d203968 100644
--- a/Libraries/LibWeb/HTML/HTMLElement.h
+++ b/Libraries/LibWeb/HTML/HTMLElement.h
@@ -116,7 +116,7 @@ public:
     WebIDL::ExceptionOr<void> set_popover(Optional<String> value);
     Optional<String> popover() const;
 
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     enum class PopoverVisibilityState {
         Hidden,
diff --git a/Libraries/LibWeb/HTML/HTMLFrameElement.cpp b/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
index 5896b8fc6ac..c8cbd0d3d31 100644
--- a/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLFrameElement.cpp
@@ -56,9 +56,9 @@ void HTMLFrameElement::inserted()
 }
 
 // https://html.spec.whatwg.org/multipage/obsolete.html#frames:html-element-removing-steps
-void HTMLFrameElement::removed_from(DOM::Node* node)
+void HTMLFrameElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
-    Base::removed_from(node);
+    Base::removed_from(old_parent, old_root);
 
     // The frame HTML element removing steps, given removedNode, are to destroy a child navigable given removedNode.
     destroy_the_child_navigable();
diff --git a/Libraries/LibWeb/HTML/HTMLFrameElement.h b/Libraries/LibWeb/HTML/HTMLFrameElement.h
index a8f8b5d2790..0708e0a9e2a 100644
--- a/Libraries/LibWeb/HTML/HTMLFrameElement.h
+++ b/Libraries/LibWeb/HTML/HTMLFrameElement.h
@@ -25,7 +25,7 @@ private:
 
     // ^DOM::Element
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
     virtual i32 default_tab_index_value() const override;
     virtual void adjust_computed_style(CSS::ComputedProperties&) override;
diff --git a/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp b/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
index 7876298efd3..7ebb0f6804c 100644
--- a/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
@@ -173,9 +173,9 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
 }
 
 // https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element:the-iframe-element-7
-void HTMLIFrameElement::removed_from(DOM::Node* node)
+void HTMLIFrameElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
-    HTMLElement::removed_from(node);
+    HTMLElement::removed_from(old_parent, old_root);
 
     // When an iframe element is removed from a document, the user agent must destroy the nested navigable of the element.
     destroy_the_child_navigable();
diff --git a/Libraries/LibWeb/HTML/HTMLIFrameElement.h b/Libraries/LibWeb/HTML/HTMLIFrameElement.h
index 2df8ac4ffdf..d13cc854366 100644
--- a/Libraries/LibWeb/HTML/HTMLIFrameElement.h
+++ b/Libraries/LibWeb/HTML/HTMLIFrameElement.h
@@ -45,7 +45,7 @@ private:
 
     // ^DOM::Element
     virtual void post_connection() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
     virtual i32 default_tab_index_value() const override;
 
diff --git a/Libraries/LibWeb/HTML/HTMLLinkElement.cpp b/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
index 7a6c6566c86..c9840ba6fc8 100644
--- a/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
@@ -50,9 +50,9 @@ void HTMLLinkElement::initialize(JS::Realm& realm)
     WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLLinkElement);
 }
 
-void HTMLLinkElement::removed_from(Node* old_parent)
+void HTMLLinkElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
     if (m_loaded_style_sheet) {
         document_or_shadow_root_style_sheets().remove_a_css_style_sheet(*m_loaded_style_sheet);
         m_loaded_style_sheet = nullptr;
diff --git a/Libraries/LibWeb/HTML/HTMLLinkElement.h b/Libraries/LibWeb/HTML/HTMLLinkElement.h
index cd1b958137e..51230cadc4a 100644
--- a/Libraries/LibWeb/HTML/HTMLLinkElement.h
+++ b/Libraries/LibWeb/HTML/HTMLLinkElement.h
@@ -28,7 +28,7 @@ public:
     virtual ~HTMLLinkElement() override;
 
     virtual void inserted() override;
-    virtual void removed_from(Node* old_parent) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     String rel() const { return get_attribute_value(HTML::AttributeNames::rel); }
     String type() const { return get_attribute_value(HTML::AttributeNames::type); }
diff --git a/Libraries/LibWeb/HTML/HTMLMediaElement.cpp b/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
index 70fef36f5f6..badd035b165 100644
--- a/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
@@ -112,9 +112,9 @@ void HTMLMediaElement::attribute_changed(FlyString const& name, Optional<String>
 }
 
 // https://html.spec.whatwg.org/multipage/media.html#playing-the-media-resource:media-element-83
-void HTMLMediaElement::removed_from(DOM::Node* node)
+void HTMLMediaElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
-    Base::removed_from(node);
+    Base::removed_from(old_parent, old_root);
 
     // When a media element is removed from a Document, the user agent must run the following steps:
 
diff --git a/Libraries/LibWeb/HTML/HTMLMediaElement.h b/Libraries/LibWeb/HTML/HTMLMediaElement.h
index fa330e09ce2..4805c7e60f7 100644
--- a/Libraries/LibWeb/HTML/HTMLMediaElement.h
+++ b/Libraries/LibWeb/HTML/HTMLMediaElement.h
@@ -157,7 +157,7 @@ protected:
     virtual void visit_edges(Cell::Visitor&) override;
 
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
-    virtual void removed_from(DOM::Node*) override;
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override;
     virtual void children_changed() override;
 
     // Override in subclasses to handle implementation-specific behavior when the element state changes
diff --git a/Libraries/LibWeb/HTML/HTMLMetaElement.cpp b/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
index f7079ec41a5..ef145e6f5e6 100644
--- a/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
@@ -151,9 +151,9 @@ void HTMLMetaElement::inserted()
     }
 }
 
-void HTMLMetaElement::removed_from(Node* parent)
+void HTMLMetaElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(parent);
+    Base::removed_from(old_parent, old_root);
     update_metadata();
 }
 
diff --git a/Libraries/LibWeb/HTML/HTMLMetaElement.h b/Libraries/LibWeb/HTML/HTMLMetaElement.h
index f844bd4ceb4..f87052586d1 100644
--- a/Libraries/LibWeb/HTML/HTMLMetaElement.h
+++ b/Libraries/LibWeb/HTML/HTMLMetaElement.h
@@ -45,7 +45,7 @@ private:
 
     // ^DOM::Element
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void attribute_changed(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
 };
 
diff --git a/Libraries/LibWeb/HTML/HTMLMeterElement.cpp b/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
index f789cd7743b..28c75e7da87 100644
--- a/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLMeterElement.cpp
@@ -173,8 +173,9 @@ void HTMLMeterElement::inserted()
     create_shadow_tree_if_needed();
 }
 
-void HTMLMeterElement::removed_from(DOM::Node*)
+void HTMLMeterElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
+    Base::removed_from(old_parent, old_root);
     set_shadow_root(nullptr);
 }
 
diff --git a/Libraries/LibWeb/HTML/HTMLMeterElement.h b/Libraries/LibWeb/HTML/HTMLMeterElement.h
index 1967f6085f8..0a80948c61b 100644
--- a/Libraries/LibWeb/HTML/HTMLMeterElement.h
+++ b/Libraries/LibWeb/HTML/HTMLMeterElement.h
@@ -35,7 +35,7 @@ public:
 
     // ^HTMLElement
     virtual void inserted() override;
-    virtual void removed_from(DOM::Node*) override;
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override;
 
     virtual void adjust_computed_style(CSS::ComputedProperties&) override;
 
diff --git a/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp b/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
index fd45a79dc3f..4cd4060e371 100644
--- a/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLOptGroupElement.cpp
@@ -36,9 +36,9 @@ void HTMLOptGroupElement::inserted()
         static_cast<HTMLSelectElement&>(*parent()).update_selectedness();
 }
 
-void HTMLOptGroupElement::removed_from(Node* old_parent)
+void HTMLOptGroupElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
 
     // The optgroup HTML element removing steps, given removedNode and oldParent, are:
     // 1. If oldParent is a select element and removedNode has an option child, then run oldParent's selectedness setting algorithm.
diff --git a/Libraries/LibWeb/HTML/HTMLOptGroupElement.h b/Libraries/LibWeb/HTML/HTMLOptGroupElement.h
index a13f207cac3..57f3cbdc577 100644
--- a/Libraries/LibWeb/HTML/HTMLOptGroupElement.h
+++ b/Libraries/LibWeb/HTML/HTMLOptGroupElement.h
@@ -25,7 +25,7 @@ private:
     HTMLOptGroupElement(DOM::Document&, DOM::QualifiedName);
 
     virtual void initialize(JS::Realm&) override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void inserted() override;
 };
 
diff --git a/Libraries/LibWeb/HTML/HTMLOptionElement.cpp b/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
index 7bdd3b973aa..0b74da36390 100644
--- a/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLOptionElement.cpp
@@ -232,9 +232,9 @@ void HTMLOptionElement::inserted()
         static_cast<HTMLSelectElement&>(*parent()->parent()).update_selectedness();
 }
 
-void HTMLOptionElement::removed_from(Node* old_parent)
+void HTMLOptionElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
 
     // The option HTML element removing steps, given removedNode and oldParent, are:
     // 1. If oldParent is a select element, or oldParent is an optgroup element whose parent is a select element,
diff --git a/Libraries/LibWeb/HTML/HTMLOptionElement.h b/Libraries/LibWeb/HTML/HTMLOptionElement.h
index 31276174a04..08f42f706ea 100644
--- a/Libraries/LibWeb/HTML/HTMLOptionElement.h
+++ b/Libraries/LibWeb/HTML/HTMLOptionElement.h
@@ -51,7 +51,7 @@ private:
     virtual void attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
 
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
     virtual void children_changed() override;
 
     void ask_for_a_reset();
diff --git a/Libraries/LibWeb/HTML/HTMLProgressElement.cpp b/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
index 439d09b51cd..ab8e31c958a 100644
--- a/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
@@ -95,8 +95,9 @@ void HTMLProgressElement::inserted()
     create_shadow_tree_if_needed();
 }
 
-void HTMLProgressElement::removed_from(DOM::Node*)
+void HTMLProgressElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
+    Base::removed_from(old_parent, old_root);
     set_shadow_root(nullptr);
 }
 
diff --git a/Libraries/LibWeb/HTML/HTMLProgressElement.h b/Libraries/LibWeb/HTML/HTMLProgressElement.h
index 771e22b3e1d..bf51bdbd880 100644
--- a/Libraries/LibWeb/HTML/HTMLProgressElement.h
+++ b/Libraries/LibWeb/HTML/HTMLProgressElement.h
@@ -29,7 +29,7 @@ public:
 
     // ^HTMLElement
     virtual void inserted() override;
-    virtual void removed_from(DOM::Node*) override;
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override;
 
     virtual void adjust_computed_style(CSS::ComputedProperties&) override;
 
diff --git a/Libraries/LibWeb/HTML/HTMLSourceElement.cpp b/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
index 8d3d5f1712d..721091c0a75 100644
--- a/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
@@ -47,10 +47,10 @@ void HTMLSourceElement::inserted()
 }
 
 // https://html.spec.whatwg.org/multipage/embedded-content.html#the-source-element:the-source-element-16
-void HTMLSourceElement::removed_from(DOM::Node* old_parent)
+void HTMLSourceElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
 {
     // The source HTML element removing steps, given removedNode and oldParent, are:
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
 
     // FIXME: 1. If removedNode's next sibling was an img element and oldParent is a picture element, then, count this as a
     //           relevant mutation for the img element.
diff --git a/Libraries/LibWeb/HTML/HTMLSourceElement.h b/Libraries/LibWeb/HTML/HTMLSourceElement.h
index 5afd800bc1f..918f069ac25 100644
--- a/Libraries/LibWeb/HTML/HTMLSourceElement.h
+++ b/Libraries/LibWeb/HTML/HTMLSourceElement.h
@@ -23,7 +23,7 @@ private:
     virtual void initialize(JS::Realm&) override;
 
     virtual void inserted() override;
-    virtual void removed_from(DOM::Node*) override;
+    virtual void removed_from(DOM::Node* old_parent, DOM::Node& old_root) override;
 };
 
 }
diff --git a/Libraries/LibWeb/HTML/HTMLStyleElement.cpp b/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
index 2fcfd6a8f02..8bb9f3fd67e 100644
--- a/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
+++ b/Libraries/LibWeb/HTML/HTMLStyleElement.cpp
@@ -44,10 +44,10 @@ void HTMLStyleElement::inserted()
     Base::inserted();
 }
 
-void HTMLStyleElement::removed_from(Node* old_parent)
+void HTMLStyleElement::removed_from(Node* old_parent, Node& old_root)
 {
     m_style_element_utils.update_a_style_block(*this);
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
 }
 
 // https://html.spec.whatwg.org/multipage/semantics.html#dom-style-disabled
diff --git a/Libraries/LibWeb/HTML/HTMLStyleElement.h b/Libraries/LibWeb/HTML/HTMLStyleElement.h
index 3946f9f4e53..e5bb976e3b9 100644
--- a/Libraries/LibWeb/HTML/HTMLStyleElement.h
+++ b/Libraries/LibWeb/HTML/HTMLStyleElement.h
@@ -21,7 +21,7 @@ public:
 
     virtual void children_changed() override;
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     bool disabled();
     void set_disabled(bool disabled);
diff --git a/Libraries/LibWeb/SVG/SVGElement.cpp b/Libraries/LibWeb/SVG/SVGElement.cpp
index 20c9ad57250..cae35e520a9 100644
--- a/Libraries/LibWeb/SVG/SVGElement.cpp
+++ b/Libraries/LibWeb/SVG/SVGElement.cpp
@@ -128,9 +128,9 @@ void SVGElement::update_use_elements_that_reference_this()
     });
 }
 
-void SVGElement::removed_from(Node* parent)
+void SVGElement::removed_from(Node* old_parent, Node& old_root)
 {
-    Base::removed_from(parent);
+    Base::removed_from(old_parent, old_root);
 
     remove_from_use_element_that_reference_this();
 }
diff --git a/Libraries/LibWeb/SVG/SVGElement.h b/Libraries/LibWeb/SVG/SVGElement.h
index 848ba011a7e..758969da1bc 100644
--- a/Libraries/LibWeb/SVG/SVGElement.h
+++ b/Libraries/LibWeb/SVG/SVGElement.h
@@ -38,7 +38,7 @@ protected:
     virtual WebIDL::ExceptionOr<void> cloned(DOM::Node&, bool) const override;
     virtual void children_changed() override;
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     void update_use_elements_that_reference_this();
     void remove_from_use_element_that_reference_this();
diff --git a/Libraries/LibWeb/SVG/SVGStyleElement.cpp b/Libraries/LibWeb/SVG/SVGStyleElement.cpp
index e7d0dcacecb..21b7b76f04e 100644
--- a/Libraries/LibWeb/SVG/SVGStyleElement.cpp
+++ b/Libraries/LibWeb/SVG/SVGStyleElement.cpp
@@ -42,10 +42,10 @@ void SVGStyleElement::inserted()
     Base::inserted();
 }
 
-void SVGStyleElement::removed_from(Node* old_parent)
+void SVGStyleElement::removed_from(Node* old_parent, Node& old_root)
 {
     m_style_element_utils.update_a_style_block(*this);
-    Base::removed_from(old_parent);
+    Base::removed_from(old_parent, old_root);
 }
 
 // https://www.w3.org/TR/cssom/#dom-linkstyle-sheet
diff --git a/Libraries/LibWeb/SVG/SVGStyleElement.h b/Libraries/LibWeb/SVG/SVGStyleElement.h
index 21e650dc464..c3043e89813 100644
--- a/Libraries/LibWeb/SVG/SVGStyleElement.h
+++ b/Libraries/LibWeb/SVG/SVGStyleElement.h
@@ -20,7 +20,7 @@ public:
 
     virtual void children_changed() override;
     virtual void inserted() override;
-    virtual void removed_from(Node*) override;
+    virtual void removed_from(Node* old_parent, Node& old_root) override;
 
     CSS::CSSStyleSheet* sheet();
     CSS::CSSStyleSheet const* sheet() const;