diff --git a/src/main/java/com/example/cosmos_serversb/models/Groups.java b/src/main/java/com/example/cosmos_serversb/models/Groups.java
index db5cd0b..aa4e1b6 100644
--- a/src/main/java/com/example/cosmos_serversb/models/Groups.java
+++ b/src/main/java/com/example/cosmos_serversb/models/Groups.java
@@ -12,7 +12,6 @@
 public class Groups {
     private static Groups theInstance = null;
     private static ArrayList<Group> groups = new ArrayList<>();
-    //private static HashMap<String, String> groupsMap = new HashMap<>();
 
     private static SessionFactory sessionFactory;
     private static String baseURI = "http://nitta-lab-www.is.konan-u.ac.jp/";
@@ -40,9 +39,11 @@
         String rId = UUID.randomUUID().toString();
         return rId;
     }
-    
+
     public static GroupsMapJson getGroupsListByUid(String uId){
-        return getGroupsHashMap(uId);
+        Session session = SessionManager.getInstance().getSession();
+        GroupsMapJson groupsjson = new GroupsMapJson(session.load(User.class, uId));
+        return groupsjson;
     }
 
     public static Group createGroup(String name, String uId){
@@ -138,11 +139,4 @@
         }
     }
     */
-
-    public static GroupsMapJson getGroupsHashMap(String uId){
-        Session session = SessionManager.getInstance().getSession();
-        GroupsMapJson groupsjson = new GroupsMapJson(session.load(User.class, uId));
-        return groupsjson;
-    }
-
 }