diff --git a/arch/x86_64/serial.c b/arch/x86_64/serial.c
index 97212eb..04a45a6 100644
--- a/arch/x86_64/serial.c
+++ b/arch/x86_64/serial.c
@@ -138,6 +138,7 @@ static struct console serialcon = {
 
 static int serial_irq1(void)
 {
+#if 0
 	if (serial_received(COM1)) {
 		unsigned char c = serial_recv_byte(COM1);
 		printk("serial: COM1 received %c", c);
@@ -147,6 +148,7 @@ static int serial_irq1(void)
 		unsigned char c = serial_recv_byte(COM3);
 		printk("serial: COM3 received %c", c);
 	}
+#endif
 
 	return 0;
 }