diff --git a/build_packages b/build_packages
index e4fb387690..a8dd6ced6d 100755
--- a/build_packages
+++ b/build_packages
@@ -9,25 +9,7 @@
 # binary packages as a side-effect. The output packages will be picked up
 # by the build_image script to put together a bootable Chrome OS image.
 
-# Load common CrOS utilities.  Inside the chroot this file is installed in
-# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
-# location.
-find_common_sh() {
-  local common_paths=(/usr/lib/crosutils $(dirname "$0"))
-  local path
-
-  SCRIPT_ROOT=
-  for path in "${common_paths[@]}"; do
-    local common="${path}/common.sh"
-    if ([ -r "${common}" ] && . "${common}" && [ -d "${SCRIPTS_DIR}" ]); then
-      SCRIPT_ROOT=${path}
-      break
-    fi
-  done
-}
-
-find_common_sh
-. "${SCRIPT_ROOT}/common.sh" || ! echo "Unable to load common.sh" || exit 1
+. "$(dirname "$0")/common.sh" || exit 1
 
 # Script must run inside the chroot
 restart_in_chroot_if_needed "$@"
diff --git a/setup_board b/setup_board
index 6949a01aa0..b69b0dfd5e 100755
--- a/setup_board
+++ b/setup_board
@@ -6,25 +6,7 @@
 
 # This script sets up a the sysroot for a particular target board.
 
-# Load common CrOS utilities.  Inside the chroot this file is installed in
-# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
-# location.
-find_common_sh() {
-  local common_paths=(/usr/lib/crosutils $(dirname "$0"))
-  local path
-
-  SCRIPT_ROOT=
-  for path in "${common_paths[@]}"; do
-    local common="${path}/common.sh"
-    if ([ -r "${common}" ] && . "${common}" && [ -d "${SCRIPTS_DIR}" ]); then
-      SCRIPT_ROOT=${path}
-      break
-    fi
-  done
-}
-
-find_common_sh
-. "${SCRIPT_ROOT}/common.sh" || ! echo "Unable to load common.sh" || exit 1
+. "$(dirname "$0")/common.sh" || exit 1
 . "${SRC_ROOT}/platform/dev/toolchain_utils.sh"
 
 # Script must run inside the chroot
diff --git a/update_chroot b/update_chroot
index b0825391b3..bfc241c5a6 100755
--- a/update_chroot
+++ b/update_chroot
@@ -6,10 +6,7 @@
 
 # Performs an update of the chroot.
 
-# Load common CrOS utilities.  Inside the chroot this file is installed in
-# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
-# location.
-. "$(dirname $0)/common.sh" || { echo "Unable to load common.sh"; exit 1; }
+. "$(dirname "$0")/common.sh" || exit 1
 
 # Script must run inside the chroot
 assert_inside_chroot "$@"