Unable to delete deploymentconfig with finalizer of foregroundDeletion

Issue

DeploymentConfig does not delete after running oc delete dc/test multiple times.

# oc get dc -o yaml test
apiVersion: v1
kind: DeploymentConfig
metadata:
  creationTimestamp: 2018-03-12T00:49:16Z
  deletionGracePeriodSeconds: 0
  deletionTimestamp: 2018-03-21T18:41:29Z
  finalizers:
  - foregroundDeletion
  generation: 29
  labels:
    app: test
  name: test
  namespace: testproject
  resourceVersion: "125930908"
  selfLink: /oapi/v1/namespaces/testproject/deploymentconfigs/test
  ...