diff --git a/docs/manifest.json b/docs/manifest.json
index f1d91901cfdac5..5d71772ac69dd1 100644
--- a/docs/manifest.json
+++ b/docs/manifest.json
@@ -1307,12 +1307,6 @@
 		"markdown_source": "../packages/a11y/README.md",
 		"parent": "packages"
 	},
-	{
-		"title": "@wordpress/admin-manifest",
-		"slug": "packages-admin-manifest",
-		"markdown_source": "../packages/admin-manifest/README.md",
-		"parent": "packages"
-	},
 	{
 		"title": "@wordpress/annotations",
 		"slug": "packages-annotations",
@@ -1505,12 +1499,6 @@
 		"markdown_source": "../packages/e2e-tests/README.md",
 		"parent": "packages"
 	},
-	{
-		"title": "@wordpress/edit-navigation",
-		"slug": "packages-edit-navigation",
-		"markdown_source": "../packages/edit-navigation/README.md",
-		"parent": "packages"
-	},
 	{
 		"title": "@wordpress/edit-post",
 		"slug": "packages-edit-post",
@@ -1721,24 +1709,6 @@
 		"markdown_source": "../packages/react-i18n/README.md",
 		"parent": "packages"
 	},
-	{
-		"title": "@wordpress/react-native-aztec",
-		"slug": "packages-react-native-aztec",
-		"markdown_source": "../packages/react-native-aztec/README.md",
-		"parent": "packages"
-	},
-	{
-		"title": "@wordpress/react-native-bridge",
-		"slug": "packages-react-native-bridge",
-		"markdown_source": "../packages/react-native-bridge/README.md",
-		"parent": "packages"
-	},
-	{
-		"title": "@wordpress/react-native-editor",
-		"slug": "packages-react-native-editor",
-		"markdown_source": "../packages/react-native-editor/README.md",
-		"parent": "packages"
-	},
 	{
 		"title": "@wordpress/readable-js-assets-webpack-plugin",
 		"slug": "packages-readable-js-assets-webpack-plugin",
diff --git a/docs/tool/manifest.js b/docs/tool/manifest.js
index 07cea30db41b61..02be0f6e1b5c6b 100644
--- a/docs/tool/manifest.js
+++ b/docs/tool/manifest.js
@@ -4,6 +4,7 @@
 const { camelCase, nth, upperFirst } = require( 'lodash' );
 const fs = require( 'fs' );
 const glob = require( 'glob' ).sync;
+const { join } = require( 'path' );
 
 const baseRepoUrl = '..';
 const componentPaths = glob( 'packages/components/src/*/**/README.md', {
@@ -14,9 +15,13 @@ const componentPaths = glob( 'packages/components/src/*/**/README.md', {
 		'packages/components/src/view/README.md',
 	],
 } );
-const packagePaths = glob( 'packages/*/package.json' ).map(
-	( fileName ) => fileName.split( '/' )[ 1 ]
-);
+const packagePaths = glob( 'packages/*/package.json' )
+	.filter(
+		// Ignore private packages.
+		( fileName ) =>
+			! require( join( __dirname, '..', '..', fileName ) ).private
+	)
+	.map( ( fileName ) => fileName.split( '/' )[ 1 ] );
 
 /**
  * Generates the package manifest.
diff --git a/packages/admin-manifest/package.json b/packages/admin-manifest/package.json
index 1282dc528c0325..140b1651915f9a 100644
--- a/packages/admin-manifest/package.json
+++ b/packages/admin-manifest/package.json
@@ -2,6 +2,7 @@
 	"name": "@wordpress/admin-manifest",
 	"version": "1.0.0",
 	"description": "Dynamically creates a Web App manifest and registers the service worker for the admin.",
+	"private": true,
 	"author": "The WordPress Contributors",
 	"license": "GPL-2.0-or-later",
 	"keywords": [