diff --git a/buildroot-external/rootfs-overlay/etc/init.d/S00resize_sdcard b/buildroot-external/rootfs-overlay/etc/init.d/S00resize_sdcard
new file mode 100755
index 00000000..085e5be6
--- /dev/null
+++ b/buildroot-external/rootfs-overlay/etc/init.d/S00resize_sdcard
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Resize SD card
+#
+
+start() {
+	printf "Resize data partition ..."
+	parted /dev/mmcblk0 unit % resizepart 2 yes 100% &&
+	partprobe /dev/mmcblk0 &&
+	sync &&
+	resize2fs /dev/mmcblk0p2 &&
+	chmod -x /etc/init.d/S00resize_sdcard &&
+	echo "[OK]"
+}
+
+case "$1" in
+  start)
+        start
+        ;;
+  *)
+        echo "Usage: $0 {start}"
+        exit 1
+esac
+
+exit $?
diff --git a/buildroot-external/rootfs-overlay/etc/init.d/S00resizefs_once b/buildroot-external/rootfs-overlay/etc/init.d/S00resizefs_once
deleted file mode 100644
index 39cc5fb4..00000000
--- a/buildroot-external/rootfs-overlay/etc/init.d/S00resizefs_once
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/sh
-#
-# Auto resize root partition at first boot after init_resize
-#
-
-start() {
-	printf "Starting resize2fs_once: "
-	ROOT_DEV=$(findmnt / -o source -n) &&
-	resize2fs $ROOT_DEV &&
-	rm /etc/init.d/S00resizefs_once &&
-	echo "OK"
-}
-
-case "$1" in
-  start)
-	start
-	;;
-  *)
-	echo "Usage: $0 {start}"
-	exit 1
-esac
-
-exit $?
diff --git a/buildroot-external/rootfs-overlay/etc/init.d/init_resize.sh b/buildroot-external/rootfs-overlay/etc/init.d/init_resize.sh
deleted file mode 100644
index e792e123..00000000
--- a/buildroot-external/rootfs-overlay/etc/init.d/init_resize.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/bin/bash
-set -e
-
-mount -t proc proc /proc
-mount -t sysfs sys /sys
-mount -t tmpfs tmp /run
-
-mount /boot
-mount / -o remount,rw
-
-sed -i 's| init=/etc/init.d/init_resize.sh||' /boot/cmdline.txt
-sync
-
-DEVICE="/dev/mmcblk0"
-PARTNR="p2"
-
-CURRENTSIZEB=`fdisk -l $DEVICE$PARTNR | grep "Disk $DEVICE$PARTNR" | cut -d' ' -f5`
-CURRENTSIZE=`expr $CURRENTSIZEB / 1024 / 1024`
-MAXSIZEMB=`printf %s\\n 'unit MB print list' | parted | grep "Disk ${DEVICE}" | cut -d' ' -f3 | tr -d MB`
-
-echo "[ok] applying resize operation.."
-parted ${DEVICE} resizepart ${PARTNR} ${MAXSIZEMB}
-echo "[done]"
-
-partprobe $DEVICE
-
-umount /boot
-mount / -o remount,ro
-sync
-
-reboot