diff --git a/build.sh b/build.sh
deleted file mode 100755
index 957f43b..0000000
--- a/build.sh
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/bash
-# Logic here:
-# Target devices: a10, a20, a20e, a30, a40, or all (LOWERCASE)
-# Target : e.g. bacon, otapackage
-# Usage ./build.sh a10 a20e bacon
-
-# Export Telegram variables
-CHAT_ID=-1001207057155
-BOT_TOKEN=5068662666:AAH4nY3MIcx_kBCZKnAVDsLstylvt50nlHA
-
-VENDOR=$(cat device/samsung/universal7885-common/vendor_name)
-if [ ! $VENDOR ]; then
-VENDOR=aosp;
-fi
-# Telegram functions.
-function tg_sendText() {
-	curl -s "https://api.telegram.org/bot$BOT_TOKEN/sendMessage" \
-	-d "parse_mode=html" \
-	-d text="${@}" \
-	-d chat_id=$CHAT_ID \
-	-d "disable_web_page_preview=true"
-}
-function tg_sendFile() {
-	curl -s "https://api.telegram.org/bot$BOT_TOKEN/sendDocument" \
-	-F parse_mode=markdown \
-	-F chat_id=$CHAT_ID \
-	-F document=@${1} \
-	-F "caption=$POST_CAPTION"
-}
-
-if [ "$#" -lt 2 ]; then
-    tg_sendText "Illegal number of parameters ($#)"
-    exit 1
-fi
-. build/envsetup.sh
-TARGET=${*%${!#}}
-if [ "$1" == "all" ]; then
-TARGET="a10 a20 a20e a30 a40"
-fi
-tg_sendText "[Vendor = $VENDOR], [Devices = $TARGET], [Build Target=${@:$#}]"
-for i in $TARGET; do 
-start=`date +%s`
-tg_sendText "[$VENDOR][$i] lunch...";
-if lunch ${VENDOR}_${i}-user; then
-tg_sendText "[$VENDOR][$i] lunch success";
-else
-tg_sendText "[$VENDOR][$i] lunch failed";
-exit 1;
-fi
-tg_sendText "[$VENDOR][$i] start build...";
-if ! m ${@:$#}; then
-end=`date +%s`
-secs=$((end-start)) 
-tg_sendText "[$VENDOR][$i] fail in $((secs/3600)) Hours $((secs%3600/60)) Minutes $((secs%60)) Seconds";
-if [ -e out/error.log ]; then
-tg_sendFile "out/error.log"
-fi
-exit 1;
-fi
-end=`date +%s`
-secs=$((end-start))
-tg_sendText "[$VENDOR][$i] success in $((secs/3600)) Hours $((secs%3600/60)) Minutes $((secs%60)) Seconds"
-done
-tg_sendText "All done"