Index: uspace/lib/usb/include/usb/debug.h
===================================================================
--- uspace/lib/usb/include/usb/debug.h	(revision 11e00c889ad73b062a5f1e690d96007c72ee5676)
+++ uspace/lib/usb/include/usb/debug.h	(revision 7eecbb8b0c886bee1223772e0b391df64711a8a6)
@@ -81,6 +81,9 @@
 
 /** Default log level. */
-#define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_DEBUG
-
+#ifdef CONFIG_USB_RELEASE_BUILD
+#  define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_INFO
+#else
+#  define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_DEBUG
+#endif
 
 void usb_log_enable(usb_log_level_t, const char *);