diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index c5980f33c5d..76358f17e20 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -50,9 +50,6 @@ NODE_SCOPES="${NODE_SCOPES:-compute-rw,monitoring,logging-write,storage-ro}"
 RUNTIME_CONFIG="${KUBE_RUNTIME_CONFIG:-}"
 TERMINATED_POD_GC_THRESHOLD=${TERMINATED_POD_GC_THRESHOLD:-100}
 
-# Optional: enable v1beta1 related features
-ENABLE_REPLICASETS="${KUBE_ENABLE_REPLICASETS:-true}"
-
 # Increase the sleep interval value if concerned about API rate limits. 3, in seconds, is the default.
 POLL_SLEEP_INTERVAL=3
 SERVICE_CLUSTER_IP_RANGE="10.0.0.0/16"  # formerly PORTAL_NET