Index: uspace/lib/usb/include/usb/descriptor.h
===================================================================
--- uspace/lib/usb/include/usb/descriptor.h	(revision 89acf204d409b78538c6c0af3443ecfd1985b922)
+++ uspace/lib/usb/include/usb/descriptor.h	(revision e0df6c2d7a704b8e474264f04947e3eadfc936c2)
@@ -36,5 +36,4 @@
 #define LIBUSB_DESCRIPTOR_H_
 
-#include <ipc/ipc.h>
 #include <async.h>
 
Index: uspace/lib/usb/include/usb/devreq.h
===================================================================
--- uspace/lib/usb/include/usb/devreq.h	(revision 89acf204d409b78538c6c0af3443ecfd1985b922)
+++ uspace/lib/usb/include/usb/devreq.h	(revision e0df6c2d7a704b8e474264f04947e3eadfc936c2)
@@ -36,5 +36,4 @@
 #define LIBUSB_DEVREQ_H_
 
-#include <ipc/ipc.h>
 #include <async.h>
 #include <usb/usb.h>
Index: uspace/lib/usb/include/usb/usb.h
===================================================================
--- uspace/lib/usb/include/usb/usb.h	(revision 89acf204d409b78538c6c0af3443ecfd1985b922)
+++ uspace/lib/usb/include/usb/usb.h	(revision e0df6c2d7a704b8e474264f04947e3eadfc936c2)
@@ -38,5 +38,4 @@
 #include <sys/types.h>
 #include <byteorder.h>
-#include <ipc/ipc.h>
 
 /** Convert 16bit value from native (host) endianness to USB endianness. */