Index: head/sys/dev/ena/ena.h
===================================================================
--- head/sys/dev/ena/ena.h
+++ head/sys/dev/ena/ena.h
@@ -41,7 +41,7 @@
 
 #define DRV_MODULE_VER_MAJOR	0
 #define DRV_MODULE_VER_MINOR	8
-#define DRV_MODULE_VER_SUBMINOR 3
+#define DRV_MODULE_VER_SUBMINOR 4
 
 #define DRV_MODULE_NAME		"ena"
 
Index: head/sys/dev/ena/ena.c
===================================================================
--- head/sys/dev/ena/ena.c
+++ head/sys/dev/ena/ena.c
@@ -1944,14 +1944,6 @@
 		return (ENXIO);
 	}
 
-	rc = bus_activate_resource(adapter->pdev, SYS_RES_IRQ,
-	    irq->vector, irq->res);
-	if (unlikely(rc != 0)) {
-		device_printf(adapter->pdev, "could not activate "
-		    "irq vector: %d\n", irq->vector);
-		goto err_res_free;
-	}
-
 	rc = bus_setup_intr(adapter->pdev, irq->res,
 	    INTR_TYPE_NET | INTR_MPSAFE, NULL, ena_intr_msix_mgmnt,
 	    irq->data, &irq->cookie);