diff --git a/.github/workflows/blank.yml b/.github/workflows/blank.yml
index 888bd8b..2bc1273 100644
--- a/.github/workflows/blank.yml
+++ b/.github/workflows/blank.yml
@@ -23,11 +23,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Update package lists
-        run: sudo apt update
-
-      - name: Install libfdt-dev, cmake and cross toolchain
-        run: sudo apt install libfdt-dev cmake squashfs-tools gcc-aarch64-linux-gnu binutils-aarch64-linux-gnu
+      - name: Install libfdt-dev and cmake
+        run: sudo apt install libfdt-dev cmake squashfs-tools
 
       - name: Run builder script
         run: |
@@ -38,7 +35,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: images
-          path: "*.*i*"
+          path: "*.itb"
 
   release:
     if: inputs.no_release == '0'
diff --git a/build_installer.sh b/build_installer.sh
index 93b8d8f..ffb73a8 100755
--- a/build_installer.sh
+++ b/build_installer.sh
@@ -26,8 +26,7 @@ DTC=
 FILEBASE=
 WORKDIR=
 ITSFILE=
-TFA_PLAT=
-TFA_MAKEARGS=
+
 
 prepare_openwrt_ib() {
 	GNUPGHOME="$(mktemp -d)"
@@ -253,23 +252,7 @@ bundle_initrd() {
 	esac
 }
 
-
-build_bl2_for_uartboot()
-{
-	git clone https://github.com/mtk-openwrt/arm-trusted-firmware.git "${WORKDIR}/arm-trusted-firmware"
-	make -C "${WORKDIR}/arm-trusted-firmware" CROSS_COMPILE=aarch64-linux-gnu- PLAT=$TFA_PLAT RAM_BOOT_UART_DL=1 BOOT_DEVICE=ram $TFA_MAKEARGS bl2
-	cp "${WORKDIR}/arm-trusted-firmware/build/mt7622/release/bl2.bin" "${DESTDIR}/bl2-for-mtk_uartboot.bin"
-}
-
-build_bl2_for_snfi_debug()
-{
-	git clone https://github.com/mtk-openwrt/arm-trusted-firmware.git "${WORKDIR}/arm-trusted-firmware-debug"
-	make -C "${WORKDIR}/arm-trusted-firmware-debug" CROSS_COMPILE=aarch64-linux-gnu- PLAT=$TFA_PLAT UBI=1 OVERRIDE_UBI_START_ADDR=0x80000 LOG_LEVEL=50 BOOT_DEVICE=snand $TFA_MAKEARGS bl2
-	cp "${WORKDIR}/arm-trusted-firmware-debug/build/mt7622/release/bl2.bin" "${DESTDIR}/bl2-for-debug-snand-issue.bin"
-}
-
 linksys_e8450_installer() {
-	TFA_PLAT=mt7622
 #	OPENWRT_RELEASE="23.05.0"
 	OPENWRT_TARGET="https://downloads.openwrt.org/snapshots/targets/mediatek/mt7622"
 #	OPENWRT_TARGET="https://downloads.openwrt.org/releases/${OPENWRT_RELEASE}/targets/mediatek/mt7622"
@@ -316,11 +299,8 @@ linksys_e8450_installer() {
 		rm "${INSTALLERDIR}/dl/vendor.bin"
 	fi
 
-	build_bl2_for_uartboot
-	build_bl2_for_snfi_debug
-
 	mv "${WORKDIR}/${FILEBASE}-installer"* "${DESTDIR}"
-	rm -rf "${WORKDIR}"
+	rm -r "${WORKDIR}"
 }
 
 linksys_e8450_installer