Index: uspace/lib/usb/include/usb/debug.h
===================================================================
--- uspace/lib/usb/include/usb/debug.h	(revision 3e4f2e0be68fb7237dac816aa68461e328a38b03)
+++ uspace/lib/usb/include/usb/debug.h	(revision 3375bd4db69b0aa8eb7d3766620c112904c2dab3)
@@ -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 *);