diff --git a/application.c b/application.c
index c2001ea..00034f7 100644
--- a/application.c
+++ b/application.c
@@ -55,12 +55,10 @@ size_t putc(char c)
 	static char last_c = 0; // to remember on which character we last sent
 	if ('\n' == c) { // send carriage return (CR) + line feed (LF) newline for each LF
 		if ('\r' != last_c) { // CR has not already been sent
-			uart_putchar_nonblocking('\r'); // send CR over USART
 			usb_cdcacm_putchar('\r'); // send CR over USB
 			length++; // remember we printed 1 character
 		}
 	}
-	uart_putchar_nonblocking(c); // send byte over USART
 	usb_cdcacm_putchar(c); // send byte over USB
 	length++; // remember we printed 1 character
 	last_c = c; // remember last character
@@ -372,7 +370,6 @@ void main(void)
 #endif
 
 	board_setup(); // setup board
-	uart_setup(); // setup USART (for printing)
 	usb_cdcacm_setup(); // setup USB CDC ACM (for printing)
 	puts("\nwelcome to the CuVoodoo I/O finder\n"); // print welcome message