diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 08c2c577e9..a8be077ecc 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -1733,7 +1733,7 @@ Document::IndicatedPart Document::determine_the_indicated_part() const
         return Document::TopOfTheDocument {};
 
     // 3. Let potentialIndicatedElement be the result of finding a potential indicated element given document and fragment.
-    auto* potential_indicated_element = find_a_potential_indicated_element(fragment.to_deprecated_string());
+    auto* potential_indicated_element = find_a_potential_indicated_element(fragment);
 
     // 4. If potentialIndicatedElement is not null, then return potentialIndicatedElement.
     if (potential_indicated_element)
@@ -1744,7 +1744,7 @@ Document::IndicatedPart Document::determine_the_indicated_part() const
     auto decoded_fragment = AK::URL::percent_decode(fragment);
 
     // 7. Set potentialIndicatedElement to the result of finding a potential indicated element given document and decodedFragment.
-    potential_indicated_element = find_a_potential_indicated_element(decoded_fragment);
+    potential_indicated_element = find_a_potential_indicated_element(MUST(FlyString::from_deprecated_fly_string(decoded_fragment)));
 
     // 8. If potentialIndicatedElement is not null, then return potentialIndicatedElement.
     if (potential_indicated_element)
@@ -1759,7 +1759,7 @@ Document::IndicatedPart Document::determine_the_indicated_part() const
 }
 
 // https://html.spec.whatwg.org/multipage/browsing-the-web.html#find-a-potential-indicated-element
-Element* Document::find_a_potential_indicated_element(DeprecatedString fragment) const
+Element* Document::find_a_potential_indicated_element(FlyString const& fragment) const
 {
     // To find a potential indicated element given a Document document and a string fragment, run these steps:
 
@@ -1772,7 +1772,7 @@ Element* Document::find_a_potential_indicated_element(DeprecatedString fragment)
     //    whose value is equal to fragment, then return the first such element in tree order.
     Element* element_with_name;
     root().for_each_in_subtree_of_type<Element>([&](Element const& element) {
-        if (element.name() == fragment) {
+        if (element.attribute(HTML::AttributeNames::name) == fragment) {
             element_with_name = const_cast<Element*>(&element);
             return IterationDecision::Break;
         }
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h
index 8c8c7bfabe..d416d1c648 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.h
+++ b/Userland/Libraries/LibWeb/DOM/Document.h
@@ -554,7 +554,7 @@ private:
     void queue_intersection_observer_task();
     void queue_an_intersection_observer_entry(IntersectionObserver::IntersectionObserver&, HighResolutionTime::DOMHighResTimeStamp time, JS::NonnullGCPtr<Geometry::DOMRectReadOnly> root_bounds, JS::NonnullGCPtr<Geometry::DOMRectReadOnly> bounding_client_rect, JS::NonnullGCPtr<Geometry::DOMRectReadOnly> intersection_rect, bool is_intersecting, double intersection_ratio, JS::NonnullGCPtr<Element> target);
 
-    Element* find_a_potential_indicated_element(DeprecatedString fragment) const;
+    Element* find_a_potential_indicated_element(FlyString const& fragment) const;
 
     OwnPtr<CSS::StyleComputer> m_style_computer;
     JS::GCPtr<CSS::StyleSheetList> m_style_sheets;
diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index c145996c10..5753013028 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -1937,7 +1937,7 @@ void Element::scroll(HTML::ScrollToOptions const&)
 
 bool Element::id_reference_exists(DeprecatedString const& id_reference) const
 {
-    return document().get_element_by_id(id_reference);
+    return document().get_element_by_id(MUST(FlyString::from_deprecated_fly_string(id_reference)));
 }
 
 void Element::register_intersection_observer(Badge<IntersectionObserver::IntersectionObserver>, IntersectionObserver::IntersectionObserverRegistration registration)
diff --git a/Userland/Libraries/LibWeb/DOM/Node.cpp b/Userland/Libraries/LibWeb/DOM/Node.cpp
index 875eb60ac8..c60af7f90b 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Node.cpp
@@ -1802,7 +1802,7 @@ ErrorOr<String> Node::name_or_description(NameOrDescription target, Document con
             }
             // ii. For each IDREF:
             for (auto const& id_ref : id_list) {
-                auto node = document.get_element_by_id(id_ref);
+                auto node = document.get_element_by_id(MUST(FlyString::from_utf8(id_ref)));
                 if (!node)
                     continue;
 
@@ -1922,7 +1922,7 @@ ErrorOr<String> Node::accessible_description(Document const& document) const
     StringBuilder builder;
     auto id_list = described_by->bytes_as_string_view().split_view_if(Infra::is_ascii_whitespace);
     for (auto const& id : id_list) {
-        if (auto description_element = document.get_element_by_id(id)) {
+        if (auto description_element = document.get_element_by_id(MUST(FlyString::from_utf8(id)))) {
             auto description = TRY(
                 description_element->name_or_description(NameOrDescription::Description, document,
                     visited_nodes));
@@ -1943,7 +1943,7 @@ Optional<StringView> Node::first_valid_id(DeprecatedString const& value, Documen
 {
     auto id_list = value.split_view(Infra::is_ascii_whitespace);
     for (auto const& id : id_list) {
-        if (document.get_element_by_id(id))
+        if (document.get_element_by_id(MUST(FlyString::from_utf8(id))))
             return id;
     }
     return {};
diff --git a/Userland/Libraries/LibWeb/DOM/NonElementParentNode.h b/Userland/Libraries/LibWeb/DOM/NonElementParentNode.h
index 0332be2df1..d0e3792bbd 100644
--- a/Userland/Libraries/LibWeb/DOM/NonElementParentNode.h
+++ b/Userland/Libraries/LibWeb/DOM/NonElementParentNode.h
@@ -19,15 +19,10 @@ template<typename NodeType>
 class NonElementParentNode {
 public:
     JS::GCPtr<Element const> get_element_by_id(FlyString const& id) const
-    {
-        return get_element_by_id(id.to_deprecated_fly_string());
-    }
-
-    JS::GCPtr<Element const> get_element_by_id(DeprecatedFlyString const& id) const
     {
         JS::GCPtr<Element const> found_element;
         static_cast<NodeType const*>(this)->template for_each_in_inclusive_subtree_of_type<Element>([&](auto& element) {
-            if (element.deprecated_attribute(HTML::AttributeNames::id) == id) {
+            if (element.attribute(HTML::AttributeNames::id) == id) {
                 found_element = &element;
                 return IterationDecision::Break;
             }
@@ -37,15 +32,10 @@ public:
     }
 
     JS::GCPtr<Element> get_element_by_id(FlyString const& id)
-    {
-        return get_element_by_id(id.to_deprecated_fly_string());
-    }
-
-    JS::GCPtr<Element> get_element_by_id(DeprecatedFlyString const& id)
     {
         JS::GCPtr<Element> found_element;
         static_cast<NodeType*>(this)->template for_each_in_inclusive_subtree_of_type<Element>([&](auto& element) {
-            if (element.deprecated_attribute(HTML::AttributeNames::id) == id) {
+            if (element.attribute(HTML::AttributeNames::id) == id) {
                 found_element = &element;
                 return IterationDecision::Break;
             }
diff --git a/Userland/Libraries/LibWeb/SVG/SVGUseElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGUseElement.cpp
index 16e471f1ba..066a7c4bcb 100644
--- a/Userland/Libraries/LibWeb/SVG/SVGUseElement.cpp
+++ b/Userland/Libraries/LibWeb/SVG/SVGUseElement.cpp
@@ -115,7 +115,7 @@ JS::GCPtr<DOM::Element> SVGUseElement::referenced_element()
     }
 
     // FIXME: Support loading of external svg documents
-    return document().get_element_by_id(m_referenced_id.value());
+    return document().get_element_by_id(MUST(FlyString::from_utf8(m_referenced_id.value())));
 }
 
 // https://svgwg.org/svg2-draft/struct.html#UseShadowTree