diff --git a/drivers/event/dlb/dlb.c b/drivers/event/dlb/dlb.c
index afef56cdcb..bda696a6c5 100644
--- a/drivers/event/dlb/dlb.c
+++ b/drivers/event/dlb/dlb.c
@@ -159,6 +159,9 @@ dlb_free_qe_mem(struct dlb_port *qm_port)
 
 	rte_free(qm_port->consume_qe);
 	qm_port->consume_qe = NULL;
+
+	rte_memzone_free(dlb_port[qm_port->id][PORT_TYPE(qm_port)].mz);
+	dlb_port[qm_port->id][PORT_TYPE(qm_port)].mz = NULL;
 }
 
 static int
@@ -3804,6 +3807,28 @@ dlb_eventdev_close(struct rte_eventdev *dev)
 	return 0;
 }
 
+static void
+dlb_eventdev_port_release(void *port)
+{
+	struct dlb_eventdev_port *ev_port = port;
+
+	if (ev_port) {
+		struct dlb_port *qm_port = &ev_port->qm_port;
+
+		if (qm_port->config_state == DLB_CONFIGURED)
+			dlb_free_qe_mem(qm_port);
+	}
+}
+
+static void
+dlb_eventdev_queue_release(struct rte_eventdev *dev, uint8_t id)
+{
+	RTE_SET_USED(dev);
+	RTE_SET_USED(id);
+
+	/* This function intentionally left blank. */
+}
+
 void
 dlb_entry_points_init(struct rte_eventdev *dev)
 {
@@ -3818,7 +3843,9 @@ dlb_entry_points_init(struct rte_eventdev *dev)
 		.queue_def_conf   = dlb_eventdev_queue_default_conf_get,
 		.port_def_conf    = dlb_eventdev_port_default_conf_get,
 		.queue_setup      = dlb_eventdev_queue_setup,
+		.queue_release    = dlb_eventdev_queue_release,
 		.port_setup       = dlb_eventdev_port_setup,
+		.port_release     = dlb_eventdev_port_release,
 		.port_link        = dlb_eventdev_port_link,
 		.port_unlink      = dlb_eventdev_port_unlink,
 		.port_unlinks_in_progress =