diff --git a/boards/shields/st_b_cams_imx_mb1854/Kconfig.defconfig b/boards/shields/st_b_cams_imx_mb1854/Kconfig.defconfig
new file mode 100644
index 00000000000..ce0297675d2
--- /dev/null
+++ b/boards/shields/st_b_cams_imx_mb1854/Kconfig.defconfig
@@ -0,0 +1,17 @@
+# ST_B_CAMS_IMX_MB1854 configuration
+
+# Copyright (c) 2025 STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+if VIDEO_STM32_DCMIPP
+
+config VIDEO_STM32_DCMIPP_SENSOR_PIXEL_FORMAT
+	default "pRAA"
+
+config VIDEO_STM32_DCMIPP_SENSOR_WIDTH
+	default 2592
+
+config VIDEO_STM32_DCMIPP_SENSOR_HEIGHT
+	default 1944
+
+endif # VIDEO_STM32_DCMIPP
diff --git a/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk.conf b/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk.conf
deleted file mode 100644
index f89907f9172..00000000000
--- a/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_PIXEL_FORMAT="pRAA"
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_WIDTH=2592
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_HEIGHT=1944
diff --git a/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk_stm32n657xx_sb.conf b/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk_stm32n657xx_sb.conf
deleted file mode 100644
index f89907f9172..00000000000
--- a/boards/shields/st_b_cams_imx_mb1854/boards/stm32n6570_dk_stm32n657xx_sb.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_PIXEL_FORMAT="pRAA"
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_WIDTH=2592
-CONFIG_VIDEO_STM32_DCMIPP_SENSOR_HEIGHT=1944