diff --git a/src/main/java/org/ntlab/nemophila/entities/PostJson.java b/src/main/java/org/ntlab/nemophila/entities/PostJson.java
new file mode 100644
index 0000000..cc27ff4
--- /dev/null
+++ b/src/main/java/org/ntlab/nemophila/entities/PostJson.java
@@ -0,0 +1,16 @@
+package org.ntlab.nemophila.entities;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class PostJson {
+    @JsonProperty("uid")
+    private String uid;
+    @JsonProperty("pid")
+    private String pid;
+
+    public PostJson(String uid, String pid){
+        this.uid = uid;
+        this.pid = pid;
+    }
+
+}
diff --git a/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java b/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java
deleted file mode 100644
index de3a194..0000000
--- a/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package org.ntlab.nemophila.models.accounts;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-
-public class PostJson {
-    @JsonProperty("uid")
-    private String uid;
-    @JsonProperty("pid")
-    private String pid;
-
-    public PostJson(String uid, String pid){
-        this.uid = uid;
-        this.pid = pid;
-    }
-
-}
diff --git a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
index f21ce14..62af5a7 100644
--- a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
@@ -3,7 +3,7 @@
 import org.ntlab.nemophila.models.accounts.Account;
 import org.ntlab.nemophila.models.accounts.AccountManager;
 import org.ntlab.nemophila.models.accounts.Post;
-import org.ntlab.nemophila.models.accounts.PostJson;
+import org.ntlab.nemophila.entities.PostJson;
 import org.ntlab.nemophila.models.shops.Shop;
 import org.ntlab.nemophila.models.shops.ShopManager;
 import org.springframework.stereotype.Component;