diff --git a/arm_fpga_utils.sh b/arm_fpga_utils.sh
index 711d12e..dc780c9 100644
--- a/arm_fpga_utils.sh
+++ b/arm_fpga_utils.sh
@@ -13,13 +13,6 @@
 [test-kernel-aarch64]="$tfa_downloads/arm-fpga/kernel-image"
 )
 
-#arm_fpga dtbs
-declare -A arm_fpga_dtbs
-arm_fpga_dtbs=(
-[zeus-dtb]="$tfa_downloads/arm-fpga/zeus.dtb"
-[hera-dtb]="$tfa_downloads/arm-fpga/hera.dtb"
-)
-
 #arm_fpga initramfs
 declare -A arm_fpga_initramfs
 arm_fpga_initramfs=(
@@ -29,48 +22,19 @@
 get_kernel() {
 	local kernel_type="${kernel_type:?}"
 	local url="${arm_fpga_kernels[$kernel_type]}"
-	local kernel_saveas="kernel.bin"
+	local kernel_saveas="${saveas}"
 
 	url="${url:?}" saveas="${kernel_saveas:?}" fetch_file
 	archive_file "$kernel_saveas"
 }
 
-get_dtb() {
-	local dtb_type="${dtb_type:?}"
-	local dtb_url="${arm_fpga_dtbs[$dtb_type]}"
-	local dtb_saveas="dtb.bin"
-
-	url="${dtb_url:?}"  saveas="${dtb_saveas:?}" fetch_file
-	archive_file "$dtb_saveas"
-}
-
 get_initrd() {
 	local initrd_type="${initrd_type:?}"
 	local url="${arm_fpga_initramfs[$initrd_type]}"
-	local initrd_saveas="initrd.bin"
+	local initrd_saveas="${saveas}"
 
 	url="${url:?}" saveas="${initrd_saveas:?}" fetch_file
 	archive_file "$initrd_saveas"
 }
 
-get_linkerscript() {
-	local url="$tfa_downloads/arm-fpga/model.lds"
-	local ld_saveas="linker.ld"
-	local artefacts_dir="${fullpath:?}"
-
-	url="${url:?}" saveas="${ld_saveas:?}" fetch_file
-	sed -i "s+<artefacts>+"$artefacts_dir"+g" $ld_saveas
-	archive_file "$ld_saveas"
-}
-
-link_fpga_images(){
-	local arch="${arch:-aarch64elf}"
-	local ld_file="${ld_file:-linker.ld}"
-	local out="${out:-image.elf}"
-	local cross_compile="${nfs_volume}/pdsw/tools/gcc-linaro-6.2.1-2016.11-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-"
-
-	`echo "$cross_compile"ld` -m $arch -T $ld_file -o $out
-	archive_file "$out"
-}
-
 set +u