diff --git a/include/sane/config.h b/include/sane/config.h
index 24394a763710de2013d272ad437555e4211842e9..7d2633e0c08b774b22f6ba3cc334644386c575c3 100644
--- a/include/sane/config.h
+++ b/include/sane/config.h
@@ -207,7 +207,7 @@
 #define HAVE_LIBSNMP 0
 
 /* Define to 1 if you have libusb-1.0 */
-// #define HAVE_LIBUSB 1
+#define HAVE_LIBUSB 1
 
 /* Define to 1 if you have usb_manager */
 #define HAVE_USB_MANAGER 1
@@ -258,7 +258,7 @@
 /* #undef HAVE_OS2_H */
 
 /* Define to 1 if the scanner driver is accessed through the scan service. */
-#define HAVE_SCAN_SERVICE 1
+// #define HAVE_SCAN_SERVICE 1
 
 /* Define to 1 if you have the `poll' function. */
 #define HAVE_POLL 1