diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 0cb02a6432..c557566ec2 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -290,7 +290,7 @@ static UHCIAsync *uhci_async_find_td(UHCIState *s, uint32_t td_addr)
 
 static void uhci_update_irq(UHCIState *s)
 {
-    int level;
+    int level = 0;
     if (((s->status2 & 1) && (s->intr & (1 << 2))) ||
         ((s->status2 & 2) && (s->intr & (1 << 3))) ||
         ((s->status & UHCI_STS_USBERR) && (s->intr & (1 << 0))) ||
@@ -298,8 +298,6 @@ static void uhci_update_irq(UHCIState *s)
         (s->status & UHCI_STS_HSERR) ||
         (s->status & UHCI_STS_HCPERR)) {
         level = 1;
-    } else {
-        level = 0;
     }
     pci_set_irq(&s->dev, level);
 }
@@ -1170,8 +1168,7 @@ void usb_uhci_common_realize(PCIDevice *dev, Error **errp)
 
     pci_conf[PCI_CLASS_PROG] = 0x00;
     /* TODO: reset value should be 0. */
-    pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
-
+    pci_conf[USB_SBRN] = USB_RELEASE_1; /* release number */
     pci_config_set_interrupt_pin(pci_conf, u->info.irq_pin + 1);
 
     if (s->masterbus) {