diff --git a/drivers/spi/spi_ll_stm32.c b/drivers/spi/spi_ll_stm32.c
index a9a1a4ea11c..1bf5f6bafa0 100644
--- a/drivers/spi/spi_ll_stm32.c
+++ b/drivers/spi/spi_ll_stm32.c
@@ -16,8 +16,7 @@
 #include <clock_control/stm32_clock_control.h>
 #include <clock_control.h>
 
-#include <drivers/spi/spi_ll_stm32.h>
-#include "spi_ll_stm32.h"
+#include <spi_ll_stm32.h>
 
 #define CONFIG_CFG(cfg)						\
 ((const struct spi_stm32_config * const)(cfg)->dev->config->config_info)
@@ -252,7 +251,7 @@ static int spi_stm32_configure(struct spi_config *config)
 		LL_SPI_SetMode(spi, LL_SPI_MODE_MASTER);
 	}
 
-	if (config->vendor & STM32_SPI_NSS_IGNORE) {
+	if (config->cs) {
 		LL_SPI_SetNSSMode(spi, LL_SPI_NSS_SOFT);
 	} else {
 		if (config->operation & SPI_OP_MODE_SLAVE) {
diff --git a/include/drivers/spi/spi_ll_stm32.h b/include/drivers/spi/spi_ll_stm32.h
deleted file mode 100644
index 3988d656e5d..00000000000
--- a/include/drivers/spi/spi_ll_stm32.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Copyright (c) 2016 BayLibre, SAS
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifndef _DRIVERS_STM32_SPI_H_
-#define _DRIVERS_STM32_SPI_H_
-
-#define STM32_SPI_NSS_IGNORE		BIT(0)
-
-#endif	/* _DRIVERS_STM32_SPI_H_ */