diff --git a/src/spi_software.c b/src/spi_software.c
index 345e2f81..54b75dcd 100644
--- a/src/spi_software.c
+++ b/src/spi_software.c
@@ -4,7 +4,6 @@
 //
 // This file may be distributed under the terms of the GNU GPLv3 license.
 
-#include "board/irq.h" // gpio_out_setup
 #include "board/gpio.h" // gpio_out_setup
 #include "basecmd.h" // oid_alloc
 #include "command.h" // DECL_COMMAND