diff --git a/cluster/common.sh b/cluster/common.sh
index 350e7e6025d..6fd3d4b661e 100755
--- a/cluster/common.sh
+++ b/cluster/common.sh
@@ -627,9 +627,6 @@ NETWORK_POLICY_PROVIDER: $(yaml-quote ${NETWORK_POLICY_PROVIDER:-})
 PREPULL_E2E_IMAGES: $(yaml-quote ${PREPULL_E2E_IMAGES:-})
 HAIRPIN_MODE: $(yaml-quote ${HAIRPIN_MODE:-})
 SOFTLOCKUP_PANIC: $(yaml-quote ${SOFTLOCKUP_PANIC:-})
-OPENCONTRAIL_TAG: $(yaml-quote ${OPENCONTRAIL_TAG:-})
-OPENCONTRAIL_KUBERNETES_TAG: $(yaml-quote ${OPENCONTRAIL_KUBERNETES_TAG:-})
-OPENCONTRAIL_PUBLIC_SUBNET: $(yaml-quote ${OPENCONTRAIL_PUBLIC_SUBNET:-})
 E2E_STORAGE_TEST_ENVIRONMENT: $(yaml-quote ${E2E_STORAGE_TEST_ENVIRONMENT:-})
 KUBE_IMAGE_TAG: $(yaml-quote ${KUBE_IMAGE_TAG:-})
 KUBE_DOCKER_REGISTRY: $(yaml-quote ${KUBE_DOCKER_REGISTRY:-})
diff --git a/cluster/gce/config-default.sh b/cluster/gce/config-default.sh
index f569d4863aa..12ffd3c60c3 100755
--- a/cluster/gce/config-default.sh
+++ b/cluster/gce/config-default.sh
@@ -314,10 +314,7 @@ KUBE_UP_AUTOMATIC_CLEANUP=${KUBE_UP_AUTOMATIC_CLEANUP:-false}
 STORAGE_BACKEND=${STORAGE_BACKEND:-}
 
 # Networking plugin specific settings.
-NETWORK_PROVIDER="${NETWORK_PROVIDER:-kubenet}" # none, opencontrail, kubenet
-OPENCONTRAIL_TAG="${OPENCONTRAIL_TAG:-R2.20}"
-OPENCONTRAIL_KUBERNETES_TAG="${OPENCONTRAIL_KUBERNETES_TAG:-master}"
-OPENCONTRAIL_PUBLIC_SUBNET="${OPENCONTRAIL_PUBLIC_SUBNET:-10.1.0.0/16}"
+NETWORK_PROVIDER="${NETWORK_PROVIDER:-kubenet}" # none, kubenet
 
 # Network Policy plugin specific settings.
 NETWORK_POLICY_PROVIDER="${NETWORK_POLICY_PROVIDER:-none}" # calico
diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index af04e73a6c2..1dae93eadd6 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -346,11 +346,7 @@ STORAGE_BACKEND=${STORAGE_BACKEND:-}
 # Storage media type: application/json and application/vnd.kubernetes.protobuf are supported.
 STORAGE_MEDIA_TYPE=${STORAGE_MEDIA_TYPE:-}
 
-# OpenContrail networking plugin specific settings
-NETWORK_PROVIDER="${NETWORK_PROVIDER:-kubenet}" # none, opencontrail, kubenet
-OPENCONTRAIL_TAG="${OPENCONTRAIL_TAG:-R2.20}"
-OPENCONTRAIL_KUBERNETES_TAG="${OPENCONTRAIL_KUBERNETES_TAG:-master}"
-OPENCONTRAIL_PUBLIC_SUBNET="${OPENCONTRAIL_PUBLIC_SUBNET:-10.1.0.0/16}"
+NETWORK_PROVIDER="${NETWORK_PROVIDER:-kubenet}" # none, kubenet
 
 # Network Policy plugin specific settings.
 NETWORK_POLICY_PROVIDER="${NETWORK_POLICY_PROVIDER:-none}" # calico