diff --git a/internal/logs/logs.go b/internal/logs/logs.go
index 69a3b229a..936042d2d 100644
--- a/internal/logs/logs.go
+++ b/internal/logs/logs.go
@@ -195,7 +195,6 @@ const (
 	EventIgnoreNilNotaryEventHandler                                        = "ignore nil notary event handler"                                           // Warn in ../node/pkg/morph/event/listener.go
 	EventIgnoreHandlerOfNotaryEventWoParser                                 = "ignore handler of notary event w/o parser"                                 // Warn in ../node/pkg/morph/event/listener.go
 	EventIgnoreNilBlockHandler                                              = "ignore nil block handler"                                                  // Warn in ../node/pkg/morph/event/listener.go
-	SubscriberUnsubscribeForNotification                                    = "unsubscribe for notification"                                              // Error in ../node/pkg/morph/subscriber/subscriber.go
 	SubscriberRemoteNotificationChannelHasBeenClosed                        = "remote notification channel has been closed"                               // Warn in ../node/pkg/morph/subscriber/subscriber.go
 	SubscriberCantCastNotifyEventValueToTheNotifyStruct                     = "can't cast notify event value to the notify struct"                        // Error in ../node/pkg/morph/subscriber/subscriber.go
 	SubscriberNewNotificationEventFromSidechain                             = "new notification event from sidechain"                                     // Debug in ../node/pkg/morph/subscriber/subscriber.go
diff --git a/pkg/morph/subscriber/subscriber.go b/pkg/morph/subscriber/subscriber.go
index a2e1c32eb..2d478c9c3 100644
--- a/pkg/morph/subscriber/subscriber.go
+++ b/pkg/morph/subscriber/subscriber.go
@@ -27,7 +27,6 @@ type (
 	// Subscriber is an interface of the NotificationEvent listener.
 	Subscriber interface {
 		SubscribeForNotification(...util.Uint160) error
-		UnsubscribeForNotification()
 		BlockNotifications() error
 		SubscribeForNotaryRequests(mainTXSigner util.Uint160) error
 
@@ -97,14 +96,6 @@ func (s *subscriber) SubscribeForNotification(contracts ...util.Uint160) error {
 	return nil
 }
 
-func (s *subscriber) UnsubscribeForNotification() {
-	err := s.client.UnsubscribeAll()
-	if err != nil {
-		s.log.Error(logs.SubscriberUnsubscribeForNotification,
-			zap.Error(err))
-	}
-}
-
 func (s *subscriber) Close() {
 	s.client.Close()
 }