diff --git a/src/main/java/com/example/cosmos_serversb/entities/Group.java b/src/main/java/com/example/cosmos_serversb/entities/Group.java
index c900ac4..e774568 100644
--- a/src/main/java/com/example/cosmos_serversb/entities/Group.java
+++ b/src/main/java/com/example/cosmos_serversb/entities/Group.java
@@ -78,6 +78,14 @@
         return members;
     }
 
+    public void deleteMember(User user){
+        members.remove(user);
+    }
+
+    public void clearAllMembersForDeleteGroup(){
+        members.clear();
+    }
+
     public void addMember(String uId){
         User user = Users.getInstance().getUserById(uId);
         if(user != null) {
@@ -91,5 +99,9 @@
         }
     }
 
+    public boolean equals(Group group) {
+        return this.gId.equals(group.getgId());
+    }
+
 }