diff --git a/board/stmicroelectronics/common/stm32f4xx/stm32-post-build.sh b/board/stmicroelectronics/common/stm32f4xx/stm32-post-build.sh
index e324afe59a..2ac9c653c3 100755
--- a/board/stmicroelectronics/common/stm32f4xx/stm32-post-build.sh
+++ b/board/stmicroelectronics/common/stm32f4xx/stm32-post-build.sh
@@ -2,7 +2,3 @@
 
 # Kernel is built without devpts support
 sed -i '/^devpts/d' ${TARGET_DIR}/etc/fstab
-
-# Kernel is built without network support
-rm -f ${TARGET_DIR}/etc/init.d/S40network
-rm -rf ${TARGET_DIR}/etc/network/
diff --git a/configs/stm32f429_disco_xip_defconfig b/configs/stm32f429_disco_xip_defconfig
index 1aea741f7e..5640d9dc4d 100644
--- a/configs/stm32f429_disco_xip_defconfig
+++ b/configs/stm32f429_disco_xip_defconfig
@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="xipImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f429-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_INITRAMFS=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_AFBOOT_STM32=y
diff --git a/configs/stm32f469_disco_sd_defconfig b/configs/stm32f469_disco_sd_defconfig
index dc00a47e1d..24791178f4 100644
--- a/configs/stm32f469_disco_sd_defconfig
+++ b/configs/stm32f469_disco_sd_defconfig
@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="zImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f469-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_SIZE="32M"
 # BR2_TARGET_ROOTFS_TAR is not set
diff --git a/configs/stm32f469_disco_xip_defconfig b/configs/stm32f469_disco_xip_defconfig
index fc3b3f9213..ae2780556a 100644
--- a/configs/stm32f469_disco_xip_defconfig
+++ b/configs/stm32f469_disco_xip_defconfig
@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="xipImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f469-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_INITRAMFS=y
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_AFBOOT_STM32=y