diff --git a/uart-bridge.c b/uart-bridge.c
index 9791df6..c4e0805 100644
--- a/uart-bridge.c
+++ b/uart-bridge.c
@@ -301,8 +301,6 @@ int main(void)
 {
 	int itf;
 
-	set_sys_clock_khz(250000, false);
-
 	usbd_serial_init();
 
 	for (itf = 0; itf < CFG_TUD_CDC; itf++)