diff --git a/cluster/local/util.sh b/cluster/local/util.sh
index c019ee4926..92e3281528 100755
--- a/cluster/local/util.sh
+++ b/cluster/local/util.sh
@@ -23,3 +23,10 @@ function detect-master {
   export KUBE_MASTER_IP="127.0.0.1"
   export KUBE_MASTER="localhost"
 }
+
+detect-master() {
+  KUBE_MASTER=localhost
+  KUBE_MASTER_IP=127.0.0.1
+  KUBE_MASTER_URL="http://${KUBE_MASTER_IP}:8080"
+  echo "Using master: $KUBE_MASTER (external IP: $KUBE_MASTER_IP)"
+}
diff --git a/docs/devel/e2e-tests.md b/docs/devel/e2e-tests.md
index 1e21bc6366..b0d0860d85 100644
--- a/docs/devel/e2e-tests.md
+++ b/docs/devel/e2e-tests.md
@@ -395,13 +395,13 @@ at a custom host directly:
 
 ```sh
 export KUBECONFIG=/path/to/kubeconfig
-go run hack/e2e.go -v --test --check_node_count=false --test_args="--host=http://127.0.0.1:8080"
+go run hack/e2e.go -v --test --check_node_count=false
 ```
 
 To control the tests that are run:
 
 ```sh
-go run hack/e2e.go -v --test --check_node_count=false --test_args="--host=http://127.0.0.1:8080" --ginkgo.focus="Secrets"
+go run hack/e2e.go -v --test --check_node_count=false --test_args="--ginkgo.focus="Secrets"
 ```
 
 ### Version-skewed and upgrade testing