diff --git a/Libraries/LibWeb/CSS/CSSStyleProperties.cpp b/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
index fcc1862c07..8f12ec2be0 100644
--- a/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
+++ b/Libraries/LibWeb/CSS/CSSStyleProperties.cpp
@@ -820,8 +820,6 @@ RefPtr<StyleValue const> CSSStyleProperties::style_value_for_computed_property(L
             return KeywordStyleValue::create(Keyword::Normal);
         return get_computed_value(property_id);
     }
-    case PropertyID::Invalid:
-        return KeywordStyleValue::create(Keyword::Invalid);
     case PropertyID::Custom:
         dbgln_if(LIBWEB_CSS_DEBUG, "Computed style for custom properties was requested (?)");
         return nullptr;
diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSPropertyID.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSPropertyID.cpp
index f4c92d7904..6f409a35ea 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSPropertyID.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSPropertyID.cpp
@@ -172,7 +172,6 @@ ErrorOr<void> generate_header_file(JsonObject& properties, JsonObject& logical_p
 namespace Web::CSS {
 
 enum class PropertyID : @property_id_underlying_type@ {
-    Invalid,
     Custom,
 )~~~");
 
diff --git a/Tests/LibWeb/TestCSSInheritedProperty.cpp b/Tests/LibWeb/TestCSSInheritedProperty.cpp
index 6f1e167f97..f9e642a87b 100644
--- a/Tests/LibWeb/TestCSSInheritedProperty.cpp
+++ b/Tests/LibWeb/TestCSSInheritedProperty.cpp
@@ -22,7 +22,6 @@ TEST_CASE(is_inherited_property_test)
     EXPECT(!CSS::is_inherited_property(CSS::PropertyID::Border));
 
     // Edge cases
-    EXPECT(!CSS::is_inherited_property(CSS::PropertyID::Invalid));
     EXPECT(!CSS::is_inherited_property(CSS::PropertyID::All));
 }