diff --git a/cmd/kube-scheduler/app/options/options_test.go b/cmd/kube-scheduler/app/options/options_test.go
index b306d18a60a..c8b93ed98d8 100644
--- a/cmd/kube-scheduler/app/options/options_test.go
+++ b/cmd/kube-scheduler/app/options/options_test.go
@@ -343,10 +343,8 @@ profiles:
 
 	// Insulate this test from picking up in-cluster config when run inside a pod
 	// We can't assume we have permissions to write to /var/run/secrets/... from a unit test to mock in-cluster config for testing
-	originalHost := os.Getenv("KUBERNETES_SERVICE_HOST")
-	if len(originalHost) > 0 {
-		os.Setenv("KUBERNETES_SERVICE_HOST", "")
-		defer os.Setenv("KUBERNETES_SERVICE_HOST", originalHost)
+	if len(os.Getenv("KUBERNETES_SERVICE_HOST")) > 0 {
+		t.Setenv("KUBERNETES_SERVICE_HOST", "")
 	}
 
 	defaultPodInitialBackoffSeconds := int64(1)