diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c
index 96451f334d..87e1de30fc 100644
--- a/hw/usb-ehci.c
+++ b/hw/usb-ehci.c
@@ -373,7 +373,6 @@ struct EHCIState {
     qemu_irq irq;
     target_phys_addr_t mem_base;
     int mem;
-    int num_ports;
 
     /* properties */
     uint32_t freq;