diff --git a/src/main/java/run/attraction/api/v1/announcement/dto/PinnedPostSummaryDTO.java b/src/main/java/run/attraction/api/v1/announcement/dto/PinnedPostSummaryDTO.java
index 09f2066d..92ec009d 100644
--- a/src/main/java/run/attraction/api/v1/announcement/dto/PinnedPostSummaryDTO.java
+++ b/src/main/java/run/attraction/api/v1/announcement/dto/PinnedPostSummaryDTO.java
@@ -6,20 +6,16 @@
 public record PinnedPostSummaryDTO(
         Long id,
         String title,
-        String content,
         String postCategory,
         LocalDateTime createdAt,
-        LocalDateTime modifiedAt,
         Long viewCount
 ) {
     public PinnedPostSummaryDTO(Post post) {
         this(
                 post.getId(),
                 post.getTitle(),
-                post.getContent(),
                 post.getPostCategory().getName(),
                 post.getCreatedAt(),
-                post.getModifiedAt(),
                 post.getViewCount()
         );
     }
diff --git a/src/main/java/run/attraction/api/v1/announcement/dto/PostSummaryDTO.java b/src/main/java/run/attraction/api/v1/announcement/dto/PostSummaryDTO.java
index 6e7bddff..a7a990d2 100644
--- a/src/main/java/run/attraction/api/v1/announcement/dto/PostSummaryDTO.java
+++ b/src/main/java/run/attraction/api/v1/announcement/dto/PostSummaryDTO.java
@@ -6,20 +6,16 @@
 public record PostSummaryDTO(
         Long id,
         String title,
-        String content,
         String postCategory,
         LocalDateTime createdAt,
-        LocalDateTime modifiedAt,
         Long viewCount
 ) {
     public PostSummaryDTO(Post post) {
         this(
                 post.getId(),
                 post.getTitle(),
-                post.getContent(),
                 post.getPostCategory().getName(),
                 post.getCreatedAt(),
-                post.getModifiedAt(),
                 post.getViewCount()
         );
     }
diff --git a/src/main/java/run/attraction/api/v1/announcement/dto/RelatedDTO.java b/src/main/java/run/attraction/api/v1/announcement/dto/RelatedDTO.java
index 73125bef..23248849 100644
--- a/src/main/java/run/attraction/api/v1/announcement/dto/RelatedDTO.java
+++ b/src/main/java/run/attraction/api/v1/announcement/dto/RelatedDTO.java
@@ -4,7 +4,7 @@
 import run.attraction.api.v1.announcement.Post;
 
 public record RelatedDTO(
-        RelatedPostDTO previous,
+        RelatedPostDTO prev,
         RelatedPostDTO next
 ) {
     public RelatedDTO(Post previousPost, Post nextPost) {
diff --git a/src/main/java/run/attraction/api/v1/announcement/dto/RelatedPostDTO.java b/src/main/java/run/attraction/api/v1/announcement/dto/RelatedPostDTO.java
index 51018e9c..72c57220 100644
--- a/src/main/java/run/attraction/api/v1/announcement/dto/RelatedPostDTO.java
+++ b/src/main/java/run/attraction/api/v1/announcement/dto/RelatedPostDTO.java
@@ -6,11 +6,9 @@
 public record RelatedPostDTO(
         Long id,
         String title,
-        String postCategory,
-        LocalDateTime createdAt,
-        boolean isPinned
+        LocalDateTime createdAt
 ) {
     public RelatedPostDTO(Post post) {
-        this(post.getId(), post.getTitle(), post.getPostCategory().getName(), post.getCreatedAt(), post.isPinned());
+        this(post.getId(), post.getTitle(), post.getCreatedAt());
     }
 }