diff --git a/releasing/cloudbuild_kustomize_image.yaml b/releasing/cloudbuild_kustomize_image.yaml
index 87b0212db..605b29217 100644
--- a/releasing/cloudbuild_kustomize_image.yaml
+++ b/releasing/cloudbuild_kustomize_image.yaml
@@ -21,8 +21,6 @@ steps:
         gcr.io/$PROJECT_ID/kustomize:${_GIT_TAG}
         -t
         gcr.io/$PROJECT_ID/kustomize:latest
-        -t
-        gcr.io/$PROJECT_ID/kustomize:${_PULL_BASE_REF}
         -f
         kustomize.Dockerfile
         --build-arg