diff --git a/launchpad-common/src/blacklist.rs b/launchpad-common/src/blacklist.rs
index 019b588..b0548f6 100644
--- a/launchpad-common/src/blacklist.rs
+++ b/launchpad-common/src/blacklist.rs
@@ -11,10 +11,6 @@ pub trait BlacklistModule:
 {
     fn add_users_to_blacklist(&self, users_list: &ManagedVec<ManagedAddress>) {
         self.require_extended_permissions();
-        self.add_users_to_blacklist_without_permissions(users_list);
-    }
-
-    fn add_users_to_blacklist_without_permissions(&self, users_list: &ManagedVec<ManagedAddress>) {
         self.require_before_winner_selection();
 
         let blacklist_mapper = self.blacklist();
diff --git a/launchpad-guaranteed-tickets-v2/src/lib.rs b/launchpad-guaranteed-tickets-v2/src/lib.rs
index cb0200f..23e713a 100644
--- a/launchpad-guaranteed-tickets-v2/src/lib.rs
+++ b/launchpad-guaranteed-tickets-v2/src/lib.rs
@@ -96,18 +96,8 @@ pub trait LaunchpadGuaranteedTickets:
     }
 
     #[endpoint(refundUserTickets)]
-    fn refund_user_tickets(&self) {
-        let caller = self.blockchain().get_caller();
-        let user_confirmed_tickets = self.nr_confirmed_tickets(&caller).get();
-        require!(
-            user_confirmed_tickets > 0,
-            "User has not confirmed any tickets"
-        );
-        let users_vec = ManagedVec::from_single_item(caller);
-        self.add_users_to_blacklist_without_permissions(&users_vec);
-        self.clear_users_with_guaranteed_ticket_after_blacklist(&users_vec);
-
-        self.emit_add_users_to_blacklist_event(users_vec);
+    fn refund_user_tickets(&self, users_list: MultiValueEncoded<ManagedAddress>) {
+        self.add_users_to_blacklist_endpoint(users_list);
     }
 
     #[endpoint(addUsersToBlacklist)]