Index: uspace/drv/bus/usb/usbmid/usbmid.c
===================================================================
--- uspace/drv/bus/usb/usbmid/usbmid.c	(revision fb48a0e907656015204723ad5eead3719f29242e)
+++ uspace/drv/bus/usb/usbmid/usbmid.c	(revision 317a4637d99500a6600c65568a00f718c274a6ea)
@@ -45,6 +45,5 @@
 
 /** Callback for DDF USB interface. */
-static int usb_iface_get_interface_impl(ddf_fun_t *fun, devman_handle_t handle,
-    int *iface_no)
+static int usb_iface_get_interface_impl(ddf_fun_t *fun, int *iface_no)
 {
 	assert(fun);
@@ -64,5 +63,5 @@
 	.get_hc_handle = usb_iface_get_hc_handle_device_impl,
 	.get_my_address = usb_iface_get_my_address_forward_impl,
-	.get_interface = usb_iface_get_interface_impl,
+	.get_my_interface = usb_iface_get_interface_impl,
 };
 
Index: uspace/lib/drv/generic/remote_usb.c
===================================================================
--- uspace/lib/drv/generic/remote_usb.c	(revision fb48a0e907656015204723ad5eead3719f29242e)
+++ uspace/lib/drv/generic/remote_usb.c	(revision 317a4637d99500a6600c65568a00f718c274a6ea)
@@ -41,12 +41,11 @@
 
 static void remote_usb_get_my_address(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
-static void remote_usb_get_interface(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
+static void remote_usb_get_my_interface(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
 static void remote_usb_get_hc_handle(ddf_fun_t *, void *, ipc_callid_t, ipc_call_t *);
-//static void remote_usb(device_t *, void *, ipc_callid_t, ipc_call_t *);
 
 /** Remote USB interface operations. */
 static remote_iface_func_ptr_t remote_usb_iface_ops [] = {
 	[IPC_M_USB_GET_MY_ADDRESS] = remote_usb_get_my_address,
-	[IPC_M_USB_GET_INTERFACE] = remote_usb_get_interface,
+	[IPC_M_USB_GET_MY_INTERFACE] = remote_usb_get_my_interface,
 	[IPC_M_USB_GET_HOST_CONTROLLER_HANDLE] = remote_usb_get_hc_handle,
 };
@@ -80,18 +79,16 @@
 }
 
-void remote_usb_get_interface(ddf_fun_t *fun, void *iface,
+void remote_usb_get_my_interface(ddf_fun_t *fun, void *iface,
     ipc_callid_t callid, ipc_call_t *call)
 {
 	usb_iface_t *usb_iface = (usb_iface_t *) iface;
 
-	if (usb_iface->get_interface == NULL) {
+	if (usb_iface->get_my_interface == NULL) {
 		async_answer_0(callid, ENOTSUP);
 		return;
 	}
 
-	devman_handle_t handle = DEV_IPC_GET_ARG1(*call);
-
 	int iface_no;
-	int rc = usb_iface->get_interface(fun, handle, &iface_no);
+	int rc = usb_iface->get_my_interface(fun, &iface_no);
 	if (rc != EOK) {
 		async_answer_0(callid, rc);
Index: uspace/lib/drv/include/usb_iface.h
===================================================================
--- uspace/lib/drv/include/usb_iface.h	(revision fb48a0e907656015204723ad5eead3719f29242e)
+++ uspace/lib/drv/include/usb_iface.h	(revision 317a4637d99500a6600c65568a00f718c274a6ea)
@@ -74,5 +74,5 @@
 	 * - EOK - operation okay, first parameter contains interface number
 	 */
-	IPC_M_USB_GET_INTERFACE,
+	IPC_M_USB_GET_MY_INTERFACE,
 
 	/** Tell devman handle of device host controller.
@@ -91,5 +91,5 @@
 typedef struct {
 	int (*get_my_address)(ddf_fun_t *, usb_address_t *);
-	int (*get_interface)(ddf_fun_t *, devman_handle_t, int *);
+	int (*get_my_interface)(ddf_fun_t *, int *);
 	int (*get_hc_handle)(ddf_fun_t *, devman_handle_t *);
 } usb_iface_t;
Index: uspace/lib/usbdev/src/pipes.c
===================================================================
--- uspace/lib/usbdev/src/pipes.c	(revision fb48a0e907656015204723ad5eead3719f29242e)
+++ uspace/lib/usbdev/src/pipes.c	(revision 317a4637d99500a6600c65568a00f718c274a6ea)
@@ -85,6 +85,6 @@
 	
 	sysarg_t iface_no;
-	int rc = async_req_2_1(exch, DEV_IFACE_ID(USB_DEV_IFACE),
-	    IPC_M_USB_GET_INTERFACE, device->handle, &iface_no);
+	int rc = async_req_1_1(exch, DEV_IFACE_ID(USB_DEV_IFACE),
+	    IPC_M_USB_GET_MY_INTERFACE, &iface_no);
 	
 	async_exchange_end(exch);