diff --git a/types/next/document.d.ts b/types/next/document.d.ts
index d0e6d2c91b..f89e5d71e0 100644
--- a/types/next/document.d.ts
+++ b/types/next/document.d.ts
@@ -2,10 +2,15 @@ import * as React from "react";
 import { NextContext, NextComponentType } from ".";
 import { DefaultQuery } from "./router";
 
+/**
+ * Result from renderPage().
+ * https://github.com/zeit/next.js/blob/v8.0.0/packages/next/pages/_document.js#L18
+ * https://github.com/zeit/next.js/blob/v8.0.0/packages/next-server/server/render.tsx#L159
+ * https://github.com/zeit/next.js/blob/v8.0.0/packages/next-server/server/render.tsx#L44
+ */
 export interface RenderPageResponse {
-    buildManifest: Record<string, any>;
     html?: string;
-    head?: Array<React.ReactElement<any>>;
+    head?: React.ReactNode;
 }
 
 export interface PageProps {
@@ -31,7 +36,7 @@ export interface NextDocumentContext<Q extends DefaultQuery = DefaultQuery> exte
         E extends PageProps = AnyPageProps,
         P = E,
         EA extends PageProps = AnyPageProps,
-        PA = EA,
+        PA = EA
     >(
         enhancer?:
             | Enhancer<E, P> // tslint:disable-line no-unnecessary-generics
@@ -44,7 +49,7 @@ export interface NextDocumentContext<Q extends DefaultQuery = DefaultQuery> exte
  * https://github.com/zeit/next.js/blob/7.0.0/server/document.js#L16
  */
 export interface DefaultDocumentIProps extends RenderPageResponse {
-    styles?: React.ReactNode[];
+    styles?: React.ReactNode;
 }
 
 /**
diff --git a/types/next/index.d.ts b/types/next/index.d.ts
index 8d911ab2c1..73d3d70800 100644
--- a/types/next/index.d.ts
+++ b/types/next/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for next 7.0
+// Type definitions for next 8.0
 // Project: https://github.com/zeit/next.js/packages/next
 // Definitions by: Drew Hays <https://github.com/dru89>
 //                 Brice BERNARD <https://github.com/brikou>
diff --git a/types/next/test/next-document-tests.tsx b/types/next/test/next-document-tests.tsx
index 1cd217a749..7c50a03930 100644
--- a/types/next/test/next-document-tests.tsx
+++ b/types/next/test/next-document-tests.tsx
@@ -48,19 +48,24 @@ class MyDoc extends Document<WithUrlProps> {
         // with app and component enhancers
         const enhanceApp: Enhancer<PageProps, {}> = App => props => <App />;
         const enhanceComponent: Enhancer<PageProps, {}> = Component => props => <Component />;
-        const { html, head, buildManifest } = renderPage({
+        const { html, head } = renderPage({
             enhanceApp,
             enhanceComponent
         });
 
         const initialProps = await Document.getInitialProps(ctx);
 
-        const styles = [...(initialProps.styles ? initialProps.styles : []), <style />];
+        const styles = (
+            <>
+                {initialProps.styles}
+                <style />
+            </>
+        );
 
         // Custom prop
         const url = req!.url;
 
-        return { html, head, buildManifest, styles, url };
+        return { html, head, styles, url };
     }
 
     constructor(props: WithUrlProps & DocumentProps) {
@@ -73,12 +78,14 @@ class MyDoc extends Document<WithUrlProps> {
 
     render() {
         const { pathname, query } = this.props.__NEXT_DATA__;
+        const { head, styles } = this.props;
 
         return (
             <html>
                 <Head nonce="nonce" any="property" should="work" here>
+                    {head}
                     <title>My page</title>
-                    {this.props.styles}
+                    {styles}
                 </Head>
                 <body>
                     <Main />