diff --git a/build_image b/build_image
index 32eb1caf61..ed8ed5d2be 100755
--- a/build_image
+++ b/build_image
@@ -158,10 +158,7 @@ fi
 
 if should_build_image ${COREOS_PRODUCTION_IMAGE_NAME}; then
   copy_image ${CHROMEOS_BASE_IMAGE_NAME} ${COREOS_PRODUCTION_IMAGE_NAME}
-
-  setup_prod_image ${COREOS_PRODUCTION_IMAGE_NAME} ${DISK_LAYOUT} \
-    ${SRC_ROOT}/third_party/coreos-overlay/coreos-base/coreos-au-key/files/update-payload-key.pub.pem
-
+  setup_prod_image ${COREOS_PRODUCTION_IMAGE_NAME} ${DISK_LAYOUT}
   upload_image "${BUILD_DIR}/${COREOS_PRODUCTION_IMAGE_NAME}"
 fi
 
diff --git a/build_library/prod_image_util.sh b/build_library/prod_image_util.sh
index 0c8417fa30..66b1a44662 100755
--- a/build_library/prod_image_util.sh
+++ b/build_library/prod_image_util.sh
@@ -6,26 +6,14 @@
 setup_prod_image() {
   local image_name="$1"
   local disk_layout="$2"
-  local au_key="$3"
 
   info "Configuring production image ${image_name}"
   local root_fs_dir="${BUILD_DIR}/rootfs"
-  local enable_rootfs_verification_flag=--noenable_rootfs_verification
-  if [[ ${FLAGS_enable_rootfs_verification} -eq ${FLAGS_TRUE} ]]; then
-    enable_rootfs_verification_flag=--enable_rootfs_verification
-  fi
 
   "${BUILD_LIBRARY_DIR}/disk_util" --disk_layout="${disk_layout}" \
       mount "${BUILD_DIR}/${image_name}" "${root_fs_dir}"
   trap "cleanup_mounts '${root_fs_dir}' && delete_prompt" EXIT
 
-  # Install an auto update key on the root before sealing it off
-  local key_location=${root_fs_dir}"/usr/share/update_engine/"
-  sudo mkdir -p "${key_location}"
-  sudo cp "${au_key}" "$key_location/update-payload-key.pub.pem"
-  sudo chown root:root "$key_location/update-payload-key.pub.pem"
-  sudo chmod 644 "$key_location/update-payload-key.pub.pem"
-
   # clean-ups of things we do not need
   sudo rm ${root_fs_dir}/etc/csh.env
   sudo rm -rf ${root_fs_dir}/var/db/pkg