diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 5315525220fb24370399e785bf73ad1bf3f150bb..5d0d4f61cfb51c4a9965fc2794566d7728cb4146 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -551,6 +551,7 @@ static void ifx_port_shutdown(struct tty_port *port)
 		container_of(port, struct ifx_spi_device, tty_port);
 
 	mrdy_set_low(ifx_dev);
+	del_timer(&ifx_dev->spi_timer);
 	clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
 	tasklet_kill(&ifx_dev->io_work_tasklet);
 }