diff --git a/sys/dev/usb/usb.h b/sys/dev/usb/usb.h
index 28695a32bca..24a5955b255 100644
--- a/sys/dev/usb/usb.h
+++ b/sys/dev/usb/usb.h
@@ -48,9 +48,11 @@
 #if defined(__FreeBSD__)
 #include <sys/malloc.h>
 
+#if defined(KERNEL)
 MALLOC_DECLARE(M_USB);
 MALLOC_DECLARE(M_USBDEV);
 #endif
+#endif
 
 #define USB_MAX_DEVICES 128
 #define USB_START_ADDR 0