diff --git a/include/git.sh b/include/git.sh
index e361cb41..1d63f99c 100755
--- a/include/git.sh
+++ b/include/git.sh
@@ -58,10 +58,7 @@ prepare_new_tree()
 {
 	printf "Creating %s tree %s (%s)\n" "${project}" "${tree}" "${_target}"
 
-	rm -Rf "${tmp_git_dir%/*}" || \
-	    err "prepare_new_tree ${project}/${tree}: can't rm tmpclone"
-	mkdir "${tmp_git_dir%/*}" || \
-	    err "prepare_new_tree ${project}/${tree}: can't mkdir tmp"
+	remkdir "${tmp_git_dir%/*}"
 	cp -R "src/${project}/${project}" "${tmp_git_dir}" || \
 	    err "prepare_new_tree ${project}/${tree}: can't make tmpclone"
 	git_reset_rev "${tmp_git_dir}" "${rev}"
@@ -98,9 +95,7 @@ verify_config()
 
 clone_project()
 {
-	rm -Rf "${tmp_git_dir}" || err "clone_project: !rm -Rf ${tmp_git_dir}"
-	mkdir -p "${tmp_git_dir%/*}" || \
-	    err "clone_project: !mkdir -p ${tmp_git_dir%/*}"
+	remkdir "${tmp_git_dir%/}"
 
 	loc="${loc#src/}"
 	loc="src/${loc}"
diff --git a/include/option.sh b/include/option.sh
index a764bc33..44952d09 100755
--- a/include/option.sh
+++ b/include/option.sh
@@ -74,3 +74,9 @@ handle_coreboot_utils()
 		[ -z "${mode}" ] || x_ rm -Rf "cbutils/${1}"
 	done
 }
+
+remkdir()
+{
+	rm -Rf "${1}" || err "remkdir: !rm -Rf \"${1}\""
+	mkdir -p "${1}" || err "remkdir: !mkdir -p \"${1}\""
+}
diff --git a/script/build/roms b/script/build/roms
index 39808098..03dce95e 100755
--- a/script/build/roms
+++ b/script/build/roms
@@ -164,9 +164,8 @@ build_dependency_seabios()
 
 build_dependency_grub()
 {
-	[ "${payload_grub}" != "y" ] && \
-	    [ "${payload_seabios_withgrub}" != "y" ] && \
-	    [ "${payload_seabios_grubonly}" != "y" ] && return 0
+	[ "$payload_grub" != "y" ] && [ "$payload_seabios_withgrub" != "y" ] \
+	    && [ "${payload_seabios_grubonly}" != "y" ] && return 0
 
 	rebuild_grub="n"
 	[ -f "${grubelf}" ] || rebuild_grub="y"
@@ -418,7 +417,7 @@ moverom() {
 	[ "${vendorfiles}" = "n" ] && newrom="${newrom%.rom}_noblobs.rom"
 	printf "Creating target image: %s\n" "${newrom}"
 
-	[ -d "${newrom%/*}" ] || x_ mkdir -p "${newrom%/*}/"
+	x_ mkdir -p "${newrom%/*}"
 	x_ cp "${rompath}" "${newrom}"
 }
 
diff --git a/script/update/release b/script/update/release
index b762b89d..14878569 100755
--- a/script/update/release
+++ b/script/update/release
@@ -179,7 +179,7 @@ handle_rom_archive()
 	insert_version_files "${romdir}" || \
 	    err "mkrom_tarball ${romdir}: versionfile"
 
-	insert_copying_files "${romdir}" || err "!insert copy, handle 2, ${romdir}"
+	insert_copying_files "$romdir" || err "!insert copy, handle 2, $romdir"
 	mkrom_tarball
 }
 
@@ -233,8 +233,7 @@ strip_ucode()
 
 insert_copying_files()
 {
-	rm -Rf "${1}/licenses" || return 1
-	mkdir -p "${1}/licenses" || return 1
+	remkdir "${1}/licenses"
 	l="${1}/licenses"
 	# copy licenses to rom image archive, for completion
 	cp "src/grub/COPYING" "${l}/COPYING.grub" || return 1
diff --git a/script/vendor/download b/script/vendor/download
index 736d8cc5..7913b558 100755
--- a/script/vendor/download
+++ b/script/vendor/download
@@ -146,8 +146,7 @@ mkdirs()
 		return 1
 	fi
 	mkdir -p "${1%/*}" || err "mkdirs: !mkdir -p ${1%/*}"
-	x_ rm -Rf "${appdir}"
-	x_ mkdir -p "${appdir}/"
+	remkdir "${appdir}"
 	if [ "${is_rom}" = "y" ]; then
 		cp "${_dl}" "${appdir}" || \
 		    err "mkdirs copyrom ${_dl}: can't copy to appdir"
diff --git a/script/vendor/inject b/script/vendor/inject
index e740704a..7ae4fc02 100755
--- a/script/vendor/inject
+++ b/script/vendor/inject
@@ -114,8 +114,7 @@ inject_vendorfiles()
 patch_release_roms()
 {
 	_tmpdir="tmp/romdir"
-	x_ rm -Rf "${_tmpdir}"
-	x_ mkdir -p "${_tmpdir}"
+	remkdir "${_tmpdir}"
 	tar -xf "${archive}" -C "${_tmpdir}" || \
 	    err "patch_release_roms: !tar -xf \"${archive}\" -C \"${_tmpdir}\""