diff --git a/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp b/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
index 0f97ffa29f5..4cd7de609cb 100644
--- a/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
+++ b/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
@@ -668,8 +668,8 @@ void ElementInlineCSSStyleDeclaration::set_declarations_from_text(StringView css
     }
 
     empty_the_declarations();
-    auto style = parse_css_style_attribute(CSS::Parser::ParsingParams(element->element().document()), css_text, element->element());
-    set_the_declarations(style->properties(), style->custom_properties());
+    auto style = parse_css_style_attribute(Parser::ParsingParams(element->element().document()), css_text);
+    set_the_declarations(style.properties, style.custom_properties);
 }
 
 // https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-csstext
diff --git a/Libraries/LibWeb/CSS/Parser/Helpers.cpp b/Libraries/LibWeb/CSS/Parser/Helpers.cpp
index c503f65ba7d..8de40db92f0 100644
--- a/Libraries/LibWeb/CSS/Parser/Helpers.cpp
+++ b/Libraries/LibWeb/CSS/Parser/Helpers.cpp
@@ -30,11 +30,11 @@ CSS::CSSStyleSheet* parse_css_stylesheet(CSS::Parser::ParsingParams const& conte
     return style_sheet;
 }
 
-CSS::ElementInlineCSSStyleDeclaration* parse_css_style_attribute(CSS::Parser::ParsingParams const& context, StringView css, DOM::Element& element)
+CSS::Parser::Parser::PropertiesAndCustomProperties parse_css_style_attribute(CSS::Parser::ParsingParams const& context, StringView css)
 {
     if (css.is_empty())
-        return CSS::ElementInlineCSSStyleDeclaration::create(element, {}, {});
-    return CSS::Parser::Parser::create(context, css).parse_as_style_attribute(element);
+        return {};
+    return CSS::Parser::Parser::create(context, css).parse_as_style_attribute();
 }
 
 RefPtr<CSS::CSSStyleValue> parse_css_value(CSS::Parser::ParsingParams const& context, StringView string, CSS::PropertyID property_id)
diff --git a/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Libraries/LibWeb/CSS/Parser/Parser.cpp
index 441e1de4924..731fbfcdfd9 100644
--- a/Libraries/LibWeb/CSS/Parser/Parser.cpp
+++ b/Libraries/LibWeb/CSS/Parser/Parser.cpp
@@ -1317,7 +1317,7 @@ Vector<Vector<ComponentValue>> Parser::parse_a_comma_separated_list_of_component
     return groups;
 }
 
-ElementInlineCSSStyleDeclaration* Parser::parse_as_style_attribute(DOM::Element& element)
+Parser::PropertiesAndCustomProperties Parser::parse_as_style_attribute()
 {
     auto expand_shorthands = [&](Vector<StyleProperty>& properties) -> Vector<StyleProperty> {
         Vector<StyleProperty> expanded_properties;
@@ -1341,9 +1341,9 @@ ElementInlineCSSStyleDeclaration* Parser::parse_as_style_attribute(DOM::Element&
     auto declarations_and_at_rules = parse_a_blocks_contents(m_token_stream);
     m_rule_context.take_last();
 
-    auto [properties, custom_properties] = extract_properties(declarations_and_at_rules);
-    auto expanded_properties = expand_shorthands(properties);
-    return ElementInlineCSSStyleDeclaration::create(element, move(expanded_properties), move(custom_properties));
+    auto properties = extract_properties(declarations_and_at_rules);
+    properties.properties = expand_shorthands(properties.properties);
+    return properties;
 }
 
 bool Parser::is_valid_in_the_current_context(Declaration const&) const
diff --git a/Libraries/LibWeb/CSS/Parser/Parser.h b/Libraries/LibWeb/CSS/Parser/Parser.h
index 99cfa4c59ef..50391d0343f 100644
--- a/Libraries/LibWeb/CSS/Parser/Parser.h
+++ b/Libraries/LibWeb/CSS/Parser/Parser.h
@@ -88,7 +88,12 @@ public:
     static Parser create(ParsingParams const&, StringView input, StringView encoding = "utf-8"sv);
 
     CSSStyleSheet* parse_as_css_stylesheet(Optional<URL::URL> location);
-    ElementInlineCSSStyleDeclaration* parse_as_style_attribute(DOM::Element&);
+
+    struct PropertiesAndCustomProperties {
+        Vector<StyleProperty> properties;
+        HashMap<FlyString, StyleProperty> custom_properties;
+    };
+    PropertiesAndCustomProperties parse_as_style_attribute();
     CSSRule* parse_as_css_rule();
     Optional<StyleProperty> parse_as_supports_condition();
 
@@ -452,11 +457,6 @@ private:
 
     static bool has_ignored_vendor_prefix(StringView);
 
-    struct PropertiesAndCustomProperties {
-        Vector<StyleProperty> properties;
-        HashMap<FlyString, StyleProperty> custom_properties;
-    };
-
     PropertiesAndCustomProperties extract_properties(Vector<RuleOrListOfDeclarations> const&);
     void extract_property(Declaration const&, Parser::PropertiesAndCustomProperties&);
 
@@ -510,7 +510,7 @@ private:
 namespace Web {
 
 CSS::CSSStyleSheet* parse_css_stylesheet(CSS::Parser::ParsingParams const&, StringView, Optional<URL::URL> location = {});
-CSS::ElementInlineCSSStyleDeclaration* parse_css_style_attribute(CSS::Parser::ParsingParams const&, StringView, DOM::Element&);
+CSS::Parser::Parser::PropertiesAndCustomProperties parse_css_style_attribute(CSS::Parser::ParsingParams const&, StringView);
 RefPtr<CSS::CSSStyleValue> parse_css_value(CSS::Parser::ParsingParams const&, StringView, CSS::PropertyID property_id = CSS::PropertyID::Invalid);
 Optional<CSS::SelectorList> parse_selector(CSS::Parser::ParsingParams const&, StringView);
 Optional<CSS::SelectorList> parse_selector_for_nested_style_rule(CSS::Parser::ParsingParams const&, StringView);
diff --git a/Libraries/LibWeb/DOM/Element.cpp b/Libraries/LibWeb/DOM/Element.cpp
index 36e8224ed22..3479b2a0733 100644
--- a/Libraries/LibWeb/DOM/Element.cpp
+++ b/Libraries/LibWeb/DOM/Element.cpp
@@ -3523,12 +3523,9 @@ void Element::attribute_changed(FlyString const& local_name, Optional<String> co
             // https://drafts.csswg.org/cssom/#ref-for-cssstyledeclaration-updating-flag
             if (m_inline_style && m_inline_style->is_updating())
                 return;
-            if (!m_inline_style) {
-                m_inline_style = parse_css_style_attribute(CSS::Parser::ParsingParams(document()), *value, *this);
-            } else {
-                // NOTE: ElementInlineCSSStyleDeclaration::set_css_text should never throw an exception.
-                m_inline_style->set_declarations_from_text(*value);
-            }
+            if (!m_inline_style)
+                m_inline_style = CSS::ElementInlineCSSStyleDeclaration::create(*this, {}, {});
+            m_inline_style->set_declarations_from_text(*value);
             set_needs_style_update(true);
         }
     } else if (local_name == HTML::AttributeNames::dir) {