diff --git a/hack/update-swagger-spec.sh b/hack/update-swagger-spec.sh
index 6335c50ac8edc..cfe3639c955b9 100755
--- a/hack/update-swagger-spec.sh
+++ b/hack/update-swagger-spec.sh
@@ -53,7 +53,6 @@ kube::log::status "Starting kube-apiserver"
   --etcd_servers="http://${ETCD_HOST}:${ETCD_PORT}" \
   --public_address_override="127.0.0.1" \
   --kubelet_port=${KUBELET_PORT} \
-  --runtime_config=api/v1 \
   --runtime_config=api/legacy=false \
   --service-cluster-ip-range="10.0.0.0/24" 1>&2 &
 APISERVER_PID=$!