diff --git a/cluster/common.sh b/cluster/common.sh
index 2d7e7e5c51..21efada9fa 100755
--- a/cluster/common.sh
+++ b/cluster/common.sh
@@ -673,9 +673,9 @@ RKT_PATH: $(yaml-quote ${RKT_PATH:-})
 KUBERNETES_CONFIGURE_CBR0: $(yaml-quote ${KUBERNETES_CONFIGURE_CBR0:-true})
 EOF
   fi
-  if [[ "${ENABLE_NODE_AUTOSCALER:-}" == "true" || "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
+  if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
       cat >>$file <<EOF
-ENABLE_CLUSTER_AUTOSCALER: $(yaml-quote "true")
+ENABLE_CLUSTER_AUTOSCALER: $(yaml-quote ${ENABLE_CLUSTER_AUTOSCALER})
 AUTOSCALER_MIG_CONFIG: $(yaml-quote ${AUTOSCALER_MIG_CONFIG})
 EOF
   fi
diff --git a/cluster/gce/config-default.sh b/cluster/gce/config-default.sh
index 768af31a76..cd69902138 100755
--- a/cluster/gce/config-default.sh
+++ b/cluster/gce/config-default.sh
@@ -115,8 +115,7 @@ ENABLE_NODE_PROBLEM_DETECTOR="${KUBE_ENABLE_NODE_PROBLEM_DETECTOR:-true}"
 
 # Optional: Create autoscaler for cluster's nodes.
 ENABLE_CLUSTER_AUTOSCALER="${KUBE_ENABLE_CLUSTER_AUTOSCALER:-false}"
-if [[ "${KUBE_ENABLE_NODE_AUTOSCALER:-false}" == "true" || "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
-  ENABLE_CLUSTER_AUTOSCALER="true"
+if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
   AUTOSCALER_MIN_NODES="${KUBE_AUTOSCALER_MIN_NODES:-}"
   AUTOSCALER_MAX_NODES="${KUBE_AUTOSCALER_MAX_NODES:-}"
   AUTOSCALER_ENABLE_SCALE_DOWN="${KUBE_AUTOSCALER_ENABLE_SCALE_DOWN:-true}"
diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index 2657022b93..4f7faa1304 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -137,8 +137,7 @@ ENABLE_NODE_PROBLEM_DETECTOR="${KUBE_ENABLE_NODE_PROBLEM_DETECTOR:-true}"
 
 # Optional: Create autoscaler for cluster's nodes.
 ENABLE_CLUSTER_AUTOSCALER="${KUBE_ENABLE_CLUSTER_AUTOSCALER:-false}"
-if [[ "${KUBE_ENABLE_NODE_AUTOSCALER:-false}" == "true" || "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
-  ENABLE_CLUSTER_AUTOSCALER="true"
+if [[ "${ENABLE_CLUSTER_AUTOSCALER}" == "true" ]]; then
   AUTOSCALER_MIN_NODES="${KUBE_AUTOSCALER_MIN_NODES:-}"
   AUTOSCALER_MAX_NODES="${KUBE_AUTOSCALER_MAX_NODES:-}"
   AUTOSCALER_ENABLE_SCALE_DOWN="${KUBE_AUTOSCALER_ENABLE_SCALE_DOWN:-false}"
diff --git a/cluster/gce/gci/configure-helper.sh b/cluster/gce/gci/configure-helper.sh
index 065614413e..9e9ae3e3a3 100644
--- a/cluster/gce/gci/configure-helper.sh
+++ b/cluster/gce/gci/configure-helper.sh
@@ -664,7 +664,7 @@ function start-kube-scheduler {
 
 # Starts cluster autoscaler.
 function start-cluster-autoscaler {
-  if [[ "${ENABLE_NODE_AUTOSCALER:-}" == "true" || "${ENABLE_CLUSTER_AUTOSCALER:-}" == "true" ]]; then
+  if [[ "${ENABLE_CLUSTER_AUTOSCALER:-}" == "true" ]]; then
     echo "Start kubernetes cluster autoscaler"
     prepare-log-file /var/log/cluster-autoscaler.log
 
diff --git a/cluster/gce/trusty/configure-helper.sh b/cluster/gce/trusty/configure-helper.sh
index 5d90d41507..820c6fa00a 100644
--- a/cluster/gce/trusty/configure-helper.sh
+++ b/cluster/gce/trusty/configure-helper.sh
@@ -635,7 +635,7 @@ start_kube_scheduler() {
 
 # Starts k8s cluster autoscaler.
 start_cluster_autoscaler() {
-  if [ "${ENABLE_NODE_AUTOSCALER:-}" = "true" ] || [ "${ENABLE_CLUSTER_AUTOSCALER:-}" = "true" ]; then
+  if [ "${ENABLE_CLUSTER_AUTOSCALER:-}" = "true" ]; then
     prepare-log-file /var/log/cluster-autoscaler.log
 
      # Remove salt comments and replace variables with values