diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index 1bbe930..4452bdb 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -1,3 +1,4 @@
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/usb.h"
 #include "hw/qdev.h"
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index 869a63c..6893028 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -26,6 +26,7 @@
  * the db parameter.
  */
 
+#include "qemu/osdep.h"
 #include <eventt.h>
 #include <vevent.h>
 #include <vreader.h>
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index 9f49c05..2e4d95f 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -8,6 +8,7 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include "sysemu/char.h"
 #include "qemu/error-report.h"
 #include "qemu/sockets.h"
diff --git a/hw/usb/combined-packet.c b/hw/usb/combined-packet.c
index ad77705..48cac87 100644
--- a/hw/usb/combined-packet.c
+++ b/hw/usb/combined-packet.c
@@ -19,6 +19,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/usb.h"
 #include "qemu/iov.h"
diff --git a/hw/usb/core.c b/hw/usb/core.c
index d0025db..bea5e1e 100644
--- a/hw/usb/core.c
+++ b/hw/usb/core.c
@@ -23,6 +23,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/usb.h"
 #include "qemu/iov.h"
diff --git a/hw/usb/desc-msos.c b/hw/usb/desc-msos.c
index 32c3600..3652919 100644
--- a/hw/usb/desc-msos.c
+++ b/hw/usb/desc-msos.c
@@ -1,3 +1,4 @@
+#include "qemu/osdep.h"
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
 
diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index b82c397..adb026e 100644
--- a/hw/usb/desc.c
+++ b/hw/usb/desc.c
@@ -1,4 +1,4 @@
-#include <ctype.h>
+#include "qemu/osdep.h"
 
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c
index 02fb110..87cab0a 100644
--- a/hw/usb/dev-audio.c
+++ b/hw/usb/dev-audio.c
@@ -29,6 +29,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
diff --git a/hw/usb/dev-bluetooth.c b/hw/usb/dev-bluetooth.c
index b19ec76..91a4a0b 100644
--- a/hw/usb/dev-bluetooth.c
+++ b/hw/usb/dev-bluetooth.c
@@ -18,6 +18,7 @@
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "hw/usb.h"
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c
index 2e7dcd9..40f38ad 100644
--- a/hw/usb/dev-hid.c
+++ b/hw/usb/dev-hid.c
@@ -22,6 +22,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "ui/console.h"
 #include "hw/usb.h"
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index c8c6855..64acdb0 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "trace.h"
 #include "hw/usb.h"
diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 4177a87..7391783 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -9,11 +9,10 @@
  * This code is licensed under the GPL v2 or later.
  */
 
+#include "qemu/osdep.h"
 #include <wchar.h>
 #include <dirent.h>
-#include <unistd.h>
 
-#include <sys/stat.h>
 #include <sys/statvfs.h>
 #ifdef __linux__
 #include <sys/inotify.h>
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 7800cee..985a629 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -23,6 +23,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index a6a6600..afad1db 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -8,6 +8,7 @@
  * This code is licensed under the LGPL.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "hw/usb.h"
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 8952eff..96a1a13 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -34,6 +34,7 @@
  *  Not sure which messages trigger this.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "hw/usb.h"
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 597d8fd..f7ab741 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -7,6 +7,7 @@
  * This code is licensed under the LGPL.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/error-report.h"
 #include "qemu/option.h"
diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
index 38b26c5..0678b1b 100644
--- a/hw/usb/dev-uas.c
+++ b/hw/usb/dev-uas.c
@@ -9,6 +9,7 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/option.h"
 #include "qemu/config-file.h"
diff --git a/hw/usb/dev-wacom.c b/hw/usb/dev-wacom.c
index c2450e7..c4702db 100644
--- a/hw/usb/dev-wacom.c
+++ b/hw/usb/dev-wacom.c
@@ -25,6 +25,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "ui/console.h"
 #include "hw/usb.h"
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index 16fb845..5657705 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -15,6 +15,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "hw/usb/hcd-ehci.h"
 #include "qemu/range.h"
 
diff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c
index cd1cc14..6c20604 100644
--- a/hw/usb/hcd-ehci-sysbus.c
+++ b/hw/usb/hcd-ehci-sysbus.c
@@ -15,6 +15,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "hw/usb/hcd-ehci.h"
 
 static const VMStateDescription vmstate_ehci_sysbus = {
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index d07f228..ab00268 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -27,6 +27,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "hw/usb/ehci-regs.h"
 #include "hw/usb/hcd-ehci.h"
 #include "trace.h"
diff --git a/hw/usb/hcd-musb.c b/hw/usb/hcd-musb.c
index 61cc878..cd23197 100644
--- a/hw/usb/hcd-musb.c
+++ b/hw/usb/hcd-musb.c
@@ -20,6 +20,7 @@
  *
  * Only host-mode and non-DMA accesses are currently supported.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/timer.h"
 #include "hw/usb.h"
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index efeaf73..bed55dd 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -25,6 +25,7 @@
  *  o BIOS work to boot from USB storage
 */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "qemu/timer.h"
 #include "hw/usb.h"
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 3f0ed62..5ccfb83 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -25,6 +25,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/usb.h"
 #include "hw/usb/uhci-regs.h"
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 268ab36..44b6f8c 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -18,6 +18,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "qemu/timer.h"
 #include "hw/usb.h"
diff --git a/hw/usb/host-legacy.c b/hw/usb/host-legacy.c
index 422ed9a..3b57e21 100644
--- a/hw/usb/host-legacy.c
+++ b/hw/usb/host-legacy.c
@@ -30,6 +30,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/usb.h"
 #include "hw/usb/host.h"
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 3f8e540..5e7ec45 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -33,6 +33,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include <poll.h>
 #include <libusb.h>
 
diff --git a/hw/usb/host-stub.c b/hw/usb/host-stub.c
index 2eaaa83..6ba65a1 100644
--- a/hw/usb/host-stub.c
+++ b/hw/usb/host-stub.c
@@ -30,6 +30,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "ui/console.h"
 #include "hw/usb.h"
diff --git a/hw/usb/libhw.c b/hw/usb/libhw.c
index 8df11c4..73cdf0c 100644
--- a/hw/usb/libhw.c
+++ b/hw/usb/libhw.c
@@ -19,6 +19,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "hw/hw.h"
 #include "hw/usb.h"
diff --git a/hw/usb/quirks.c b/hw/usb/quirks.c
index a761a96..38a9c56 100644
--- a/hw/usb/quirks.c
+++ b/hw/usb/quirks.c
@@ -12,6 +12,7 @@
  * (at your option) any later version.
  */
 
+#include "qemu/osdep.h"
 #include "quirks.h"
 #include "hw/usb.h"
 
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 30ff742..d0f7cb8 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -25,6 +25,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/timer.h"
 #include "sysemu/sysemu.h"
diff --git a/tests/usb-hcd-ehci-test.c b/tests/usb-hcd-ehci-test.c
index 75073bf..a0f13ef 100644
--- a/tests/usb-hcd-ehci-test.c
+++ b/tests/usb-hcd-ehci-test.c
@@ -7,12 +7,10 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include <glib.h>
-#include <string.h>
-#include <stdio.h>
 #include "libqtest.h"
 #include "libqos/pci-pc.h"
-#include "qemu/osdep.h"
 #include "hw/usb/uhci-regs.h"
 #include "hw/usb/ehci-regs.h"
 #include "libqos/usb.h"
diff --git a/tests/usb-hcd-ohci-test.c b/tests/usb-hcd-ohci-test.c
index fa592d4..efd6669 100644
--- a/tests/usb-hcd-ohci-test.c
+++ b/tests/usb-hcd-ohci-test.c
@@ -7,10 +7,9 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include <glib.h>
-#include <string.h>
 #include "libqtest.h"
-#include "qemu/osdep.h"
 #include "libqos/usb.h"
 
 
diff --git a/tests/usb-hcd-uhci-test.c b/tests/usb-hcd-uhci-test.c
index a96b716..71ff2ea 100644
--- a/tests/usb-hcd-uhci-test.c
+++ b/tests/usb-hcd-uhci-test.c
@@ -7,10 +7,9 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include <glib.h>
-#include <string.h>
 #include "libqtest.h"
-#include "qemu/osdep.h"
 #include "libqos/usb.h"
 #include "hw/usb/uhci-regs.h"
 
diff --git a/tests/usb-hcd-xhci-test.c b/tests/usb-hcd-xhci-test.c
index 56ab367..7e2e212 100644
--- a/tests/usb-hcd-xhci-test.c
+++ b/tests/usb-hcd-xhci-test.c
@@ -7,10 +7,9 @@
  * See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
 #include <glib.h>
-#include <string.h>
 #include "libqtest.h"
-#include "qemu/osdep.h"
 #include "libqos/usb.h"
 
 
