diff --git a/src/chromiumos/test/callbox/docker/build-dockerimage.sh b/src/chromiumos/test/callbox/docker/build-dockerimage.sh
index 2edeb1e..44fb2bc 100755
--- a/src/chromiumos/test/callbox/docker/build-dockerimage.sh
+++ b/src/chromiumos/test/callbox/docker/build-dockerimage.sh
@@ -62,8 +62,6 @@
 readonly output_dir="tmp/docker/croscallbox"
 readonly full_output_dir="${chroot_path}/${sysroot_path}/${output_dir}"
 
-prep_container
-
 build_container_image                                \
     --service "cros-callbox"                         \
     --docker_file "${script_dir}/Dockerfile"         \