diff --git a/sys/dev/usb/controller/at91dci.h b/sys/dev/usb/controller/at91dci.h
index 8a745c8ca418..0271fb9b8c8e 100644
--- a/sys/dev/usb/controller/at91dci.h
+++ b/sys/dev/usb/controller/at91dci.h
@@ -203,7 +203,6 @@ struct at91dci_flags {
 struct at91dci_softc {
 	struct usb2_bus sc_bus;
 	union at91dci_hub_temp sc_hub_temp;
-	LIST_HEAD(, usb2_xfer) sc_interrupt_list_head;
 
 	struct usb2_device *sc_devices[AT91_MAX_DEVICES];
 	struct resource *sc_io_res;
diff --git a/sys/dev/usb/controller/atmegadci.h b/sys/dev/usb/controller/atmegadci.h
index af61eeb4d097..69939544a781 100644
--- a/sys/dev/usb/controller/atmegadci.h
+++ b/sys/dev/usb/controller/atmegadci.h
@@ -236,7 +236,6 @@ struct atmegadci_flags {
 struct atmegadci_softc {
 	struct usb2_bus sc_bus;
 	union atmegadci_hub_temp sc_hub_temp;
-	LIST_HEAD(, usb2_xfer) sc_interrupt_list_head;
 
 	/* must be set by by the bus interface layer */
 	atmegadci_clocks_t *sc_clocks_on;
diff --git a/sys/dev/usb/controller/uss820dci.h b/sys/dev/usb/controller/uss820dci.h
index 637f562b9a83..deba99002004 100644
--- a/sys/dev/usb/controller/uss820dci.h
+++ b/sys/dev/usb/controller/uss820dci.h
@@ -344,7 +344,6 @@ struct uss820_flags {
 struct uss820dci_softc {
 	struct usb2_bus sc_bus;
 	union uss820_hub_temp sc_hub_temp;
-	LIST_HEAD(, usb2_xfer) sc_interrupt_list_head;
 
 	struct usb2_device *sc_devices[USS820_MAX_DEVICES];
 	struct resource *sc_io_res;