diff --git a/src/components/modules/Blog/Blog.tsx b/src/components/modules/Blog/Blog.tsx
index 5c44c422..187809fb 100644
--- a/src/components/modules/Blog/Blog.tsx
+++ b/src/components/modules/Blog/Blog.tsx
@@ -22,7 +22,7 @@ export const Blog: React.FC<BlogProps> = ({ className, feed }) => {
                 </time>
                 <a
                   className="ml-xs"
-                  href={e.link[0].href}
+                  href={e.link.href}
                   target="_blank"
                   rel="noreferrer noopener"
                 >
diff --git a/src/domain/blog/model.fixture.ts b/src/domain/blog/model.fixture.ts
index 3d4c4cc8..66e65d19 100644
--- a/src/domain/blog/model.fixture.ts
+++ b/src/domain/blog/model.fixture.ts
@@ -3,23 +3,11 @@ import type { Entry, Feed } from "./model";
 export const getEntryFixture = (entry?: Partial<Entry>): Entry => {
   return {
     title: "Entry title",
-    link: [
-      {
-        href: "https://example.com/",
-      },
-    ],
+    link: {
+      href: "https://example.com/",
+    },
     id: "Entry id",
     published: "2022-09-10T00:00:00+09:00",
-    updated: "2022-09-10T00:00:00+09:00",
-    summary: "Entry summary",
-    content: "Entry content",
-    category: {
-      term: "Category term",
-      label: "Category label",
-    },
-    author: {
-      name: "Author name",
-    },
     ...entry,
   };
 };
@@ -32,10 +20,6 @@ export const getFeedFixture = (feed?: Partial<Feed>): Feed => {
       href: "https://example.com/",
     },
     updated: "2022-09-10T00:00:0+09:00",
-    author: {
-      name: "Author name",
-    },
-    id: "Blog id",
     entry: [getEntryFixture()],
     ...feed,
   };
diff --git a/src/domain/blog/model.ts b/src/domain/blog/model.ts
index 9c23a25c..852eab0d 100644
--- a/src/domain/blog/model.ts
+++ b/src/domain/blog/model.ts
@@ -1,32 +1,14 @@
 export interface Entry {
   title: string;
-  link: {
-    href: string;
-  }[];
+  link: { href: string };
   id: string;
   published: string;
-  updated: string;
-  summary: string;
-  content: string;
-  category: {
-    term: string;
-    label: string;
-  };
-  author: {
-    name: string;
-  };
 }
 
 export interface Feed {
   title: string;
   subTitle: string;
-  link: {
-    href: string;
-  };
+  link: { href: string };
   updated: string;
-  author: {
-    name: string;
-  };
-  id: string;
   entry: Entry[];
 }