diff --git a/boards/arm/cxd56xx/spresense/configs/lte/defconfig b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
index 987f31ed6c..619f59fc30 100644
--- a/boards/arm/cxd56xx/spresense/configs/lte/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/lte/defconfig
@@ -71,7 +71,6 @@ CONFIG_SDCLONE_DISABLE=y
 CONFIG_SMARTFS_ALIGNED_ACCESS=y
 CONFIG_SMARTFS_MAXNAMLEN=30
 CONFIG_SMARTFS_MULTI_ROOT_DIRS=y
-CONFIG_SPI=y
 CONFIG_SPRESENSE_EXTENSION=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
diff --git a/drivers/modem/altair/altmdm_sys.c b/drivers/modem/altair/altmdm_sys.c
index f4cb8e4e94..1cad10cd9b 100644
--- a/drivers/modem/altair/altmdm_sys.c
+++ b/drivers/modem/altair/altmdm_sys.c
@@ -40,6 +40,7 @@
 #include <errno.h>
 #include <debug.h>
 #include <nuttx/irq.h>
+#include <nuttx/semaphore.h>
 #include <signal.h>
 
 #include "altmdm_dev.h"