diff --git a/boot/zephyr/boards/stm32n6570_dk_stm32n657xx_fsbl.conf b/boot/zephyr/boards/stm32n6570_dk_stm32n657xx_fsbl.conf
deleted file mode 100644
index 706afac74a..0000000000
--- a/boot/zephyr/boards/stm32n6570_dk_stm32n657xx_fsbl.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-CONFIG_STM32_MEMMAP=y
-CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n
-CONFIG_BOOT_MAX_IMG_SECTORS=4096
-
-CONFIG_MULTIPLE_EXECUTABLE_RAM_REGIONS=y
diff --git a/boot/zephyr/socs/stm32n657xx_fsbl.conf b/boot/zephyr/socs/stm32n657xx_fsbl.conf
new file mode 100644
index 0000000000..76a7ce8309
--- /dev/null
+++ b/boot/zephyr/socs/stm32n657xx_fsbl.conf
@@ -0,0 +1,3 @@
+CONFIG_STM32_MEMMAP=y
+
+CONFIG_MULTIPLE_EXECUTABLE_RAM_REGIONS=y