diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/generateBlogFeed.test.ts.snap b/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/generateBlogFeed.test.ts.snap
index a313661647..8f1e5accc8 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/generateBlogFeed.test.ts.snap
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/generateBlogFeed.test.ts.snap
@@ -1,18 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`blogFeed atom can show feed without posts 1`] = `
-"<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
-<feed xmlns=\\"http://www.w3.org/2005/Atom\\">
-    <id>https://docusaurus.io/blog</id>
-    <title>Hello Blog</title>
-    <updated>2015-10-25T23:29:00.000Z</updated>
-    <generator>https://github.com/jpmonette/feed</generator>
-    <link rel=\\"alternate\\" href=\\"https://docusaurus.io/blog\\"/>
-    <subtitle>Hello Blog</subtitle>
-    <icon>https://docusaurus.io/image/favicon.ico</icon>
-    <rights>Copyright</rights>
-</feed>"
-`;
+exports[`blogFeed atom should not show feed without posts 1`] = `null`;
 
 exports[`blogFeed atom shows feed item for each post 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
@@ -49,20 +37,7 @@ exports[`blogFeed atom shows feed item for each post 1`] = `
 </feed>"
 `;
 
-exports[`blogFeed rss can show feed without posts 1`] = `
-"<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
-<rss version=\\"2.0\\">
-    <channel>
-        <title>Hello Blog</title>
-        <link>https://docusaurus.io/blog</link>
-        <description>Hello Blog</description>
-        <lastBuildDate>Sun, 25 Oct 2015 23:29:00 GMT</lastBuildDate>
-        <docs>https://validator.w3.org/feed/docs/rss2.html</docs>
-        <generator>https://github.com/jpmonette/feed</generator>
-        <copyright>Copyright</copyright>
-    </channel>
-</rss>"
-`;
+exports[`blogFeed rss should not show feed without posts 1`] = `null`;
 
 exports[`blogFeed rss shows feed item for each post 1`] = `
 "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/generateBlogFeed.test.ts b/packages/docusaurus-plugin-content-blog/src/__tests__/generateBlogFeed.test.ts
index 7bc33a1bda..9a6d4aba39 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/generateBlogFeed.test.ts
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/generateBlogFeed.test.ts
@@ -32,7 +32,7 @@ function getBlogContentPaths(siteDir: string): BlogContentPaths {
 describe('blogFeed', () => {
   (['atom', 'rss'] as const).forEach((feedType) => {
     describe(`${feedType}`, () => {
-      test('can show feed without posts', async () => {
+      test('should not show feed without posts', async () => {
         const siteDir = __dirname;
         const siteConfig = {
           title: 'Hello',
diff --git a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
index 84e173caae..9759e17d02 100644
--- a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
+++ b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
@@ -67,7 +67,7 @@ export async function generateBlogFeed(
   }
   const {siteConfig} = context;
   const blogPosts = await generateBlogPosts(contentPaths, context, options);
-  if (blogPosts == null) {
+  if (!blogPosts.length) {
     return null;
   }
 
diff --git a/packages/docusaurus-plugin-content-blog/src/index.ts b/packages/docusaurus-plugin-content-blog/src/index.ts
index 1d47eb628c..0c095bffb3 100644
--- a/packages/docusaurus-plugin-content-blog/src/index.ts
+++ b/packages/docusaurus-plugin-content-blog/src/index.ts
@@ -117,6 +117,7 @@ export default function pluginContentBlog(
       const {postsPerPage, routeBasePath} = options;
 
       blogPosts = await generateBlogPosts(contentPaths, context, options);
+
       if (!blogPosts.length) {
         return null;
       }
@@ -506,9 +507,14 @@ export default function pluginContentBlog(
     },
 
     injectHtmlTags() {
+      if (!blogPosts.length) {
+        return {};
+      }
+
       if (!options.feedOptions?.type) {
         return {};
       }
+
       const feedTypes = options.feedOptions.type;
       const {
         siteConfig: {title},