diff --git a/packages/happy-dom/src/config/HTMLElementConfig.ts b/packages/happy-dom/src/config/HTMLElementConfig.ts
index b336655f..dd261788 100644
--- a/packages/happy-dom/src/config/HTMLElementConfig.ts
+++ b/packages/happy-dom/src/config/HTMLElementConfig.ts
@@ -1,5 +1,4 @@
 import HTMLElementConfigContentModelEnum from './HTMLElementConfigContentModelEnum.js';
-import HTMLElementConfigContextConstraintEnum from './HTMLElementConfigContextConstraintEnum.js';
 
 /**
  * @see https://html.spec.whatwg.org/multipage/indices.html
@@ -9,578 +8,463 @@ export default <
 		[key: string]: {
 			className: string;
 			contentModel: HTMLElementConfigContentModelEnum;
-			contextConstraint: HTMLElementConfigContextConstraintEnum;
 		};
 	}
 >{
 	a: {
 		className: 'HTMLAnchorElement',
-		contentModel: HTMLElementConfigContentModelEnum.noSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noSelfDescendants
 	},
 	abbr: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	address: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	area: {
 		className: 'HTMLAreaElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	article: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	aside: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	audio: {
 		className: 'HTMLAudioElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	b: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	base: {
 		className: 'HTMLBaseElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	bdi: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	bdo: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	body: {
 		className: 'HTMLBodyElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.secondElementOfHTMLHtmlElement
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	template: {
 		className: 'HTMLTemplateElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	form: {
 		className: 'HTMLFormElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	input: {
 		className: 'HTMLInputElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	textarea: {
 		className: 'HTMLTextAreaElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	script: {
 		className: 'HTMLScriptElement',
-		contentModel: HTMLElementConfigContentModelEnum.rawText,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.rawText
 	},
 	img: {
 		className: 'HTMLImageElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	link: {
 		className: 'HTMLLinkElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	style: {
 		className: 'HTMLStyleElement',
-		contentModel: HTMLElementConfigContentModelEnum.rawText,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.rawText
 	},
 	label: {
 		className: 'HTMLLabelElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	slot: {
 		className: 'HTMLSlotElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	meta: {
 		className: 'HTMLMetaElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	blockquote: {
 		className: 'HTMLQuoteElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	br: {
 		className: 'HTMLBRElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	button: {
 		className: 'HTMLButtonElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	canvas: {
 		className: 'HTMLCanvasElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	caption: {
 		className: 'HTMLTableCaptionElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	cite: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	code: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	col: {
 		className: 'HTMLTableColElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	colgroup: {
 		className: 'HTMLTableColElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	data: {
 		className: 'HTMLDataElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	datalist: {
 		className: 'HTMLDataListElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	dd: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	del: {
 		className: 'HTMLModElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	details: {
 		className: 'HTMLDetailsElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	dfn: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	dialog: {
 		className: 'HTMLDialogElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	div: {
 		className: 'HTMLDivElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	dl: {
 		className: 'HTMLDListElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	dt: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	em: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	embed: {
 		className: 'HTMLEmbedElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	fieldset: {
 		className: 'HTMLFieldSetElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	figcaption: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	figure: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	footer: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	h1: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	h2: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	h3: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	h4: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	h5: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	h6: {
 		className: 'HTMLHeadingElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	head: {
 		className: 'HTMLHeadElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.firstElementOfHTMLHtmlElement
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	header: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	hgroup: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	hr: {
 		className: 'HTMLHRElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	html: {
 		className: 'HTMLHtmlElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.firstElementOfDocument
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	i: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	iframe: {
 		className: 'HTMLIFrameElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	ins: {
 		className: 'HTMLModElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	kbd: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	legend: {
 		className: 'HTMLLegendElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	li: {
 		className: 'HTMLLIElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	main: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	map: {
 		className: 'HTMLMapElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	mark: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	menu: {
 		className: 'HTMLMenuElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	meter: {
 		className: 'HTMLMeterElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	nav: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	noscript: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	object: {
 		className: 'HTMLObjectElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	ol: {
 		className: 'HTMLOListElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	optgroup: {
 		className: 'HTMLOptGroupElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	option: {
 		className: 'HTMLOptionElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	output: {
 		className: 'HTMLOutputElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	p: {
 		className: 'HTMLParagraphElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	param: {
 		className: 'HTMLParamElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	picture: {
 		className: 'HTMLPictureElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	pre: {
 		className: 'HTMLPreElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	progress: {
 		className: 'HTMLProgressElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	q: {
 		className: 'HTMLQuoteElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	rb: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	rp: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	rt: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	rtc: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	ruby: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	s: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	samp: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	section: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	select: {
 		className: 'HTMLSelectElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	small: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	source: {
 		className: 'HTMLSourceElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	span: {
 		className: 'HTMLSpanElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	strong: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	sub: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	summary: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	sup: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	table: {
 		className: 'HTMLTableElement',
-		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noFirstLevelSelfDescendants
 	},
 	tbody: {
 		className: 'HTMLTableSectionElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	td: {
 		className: 'HTMLTableCellElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	tfoot: {
 		className: 'HTMLTableSectionElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	th: {
 		className: 'HTMLTableCellElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	thead: {
 		className: 'HTMLTableSectionElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	time: {
 		className: 'HTMLTimeElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	title: {
 		className: 'HTMLTitleElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	tr: {
 		className: 'HTMLTableRowElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	track: {
 		className: 'HTMLTrackElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	},
 	u: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	ul: {
 		className: 'HTMLUListElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	var: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	video: {
 		className: 'HTMLVideoElement',
-		contentModel: HTMLElementConfigContentModelEnum.anyDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.anyDescendants
 	},
 	wbr: {
 		className: 'HTMLElement',
-		contentModel: HTMLElementConfigContentModelEnum.noDescendants,
-		contextConstraint: HTMLElementConfigContextConstraintEnum.none
+		contentModel: HTMLElementConfigContentModelEnum.noDescendants
 	}
 };
diff --git a/packages/happy-dom/src/config/HTMLElementConfigContextConstraintEnum.ts b/packages/happy-dom/src/config/HTMLElementConfigContextConstraintEnum.ts
deleted file mode 100644
index a5e05873..00000000
--- a/packages/happy-dom/src/config/HTMLElementConfigContextConstraintEnum.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-enum HTMLElementConfigContextConstraintEnum {
-	none = 'none',
-	secondElementOfHTMLHtmlElement = 'secondElementOfHTMLHtmlElement',
-	firstElementOfHTMLHtmlElement = 'firstElementOfHTMLHtmlElement',
-	firstElementOfDocument = 'firstElementOfDocument'
-}
-
-export default HTMLElementConfigContextConstraintEnum;