diff --git a/main.c b/main.c
index ffa3366..37b0778 100644
--- a/main.c
+++ b/main.c
@@ -305,7 +305,6 @@ void main(void)
 	led_green(0x0100); // indicate we are ready
 	puts("\r\nready\r\n");
 	while (true) {
-		putc('.');
 		IWDG_KR = IWDG_KR_KEY_REFRESH; // reset watchdog
 		if (shake_count) {
 			puts("vibrations: ");