diff --git a/test/e2e/framework/util.go b/test/e2e/framework/util.go
index 23edde4dcaf..d289f11dcd6 100644
--- a/test/e2e/framework/util.go
+++ b/test/e2e/framework/util.go
@@ -607,7 +607,7 @@ func AssertCleanup(ns string, selectors ...string) {
 // executed in a specific pod container.
 // TODO(alejandrox1): move to pod/ subpkg once kubectl methods are refactored.
 func LookForStringInPodExec(ns, podName string, command []string, expectedString string, timeout time.Duration) (result string, err error) {
-	return LookForString(expectedString, timeout, func() string {
+	return lookForString(expectedString, timeout, func() string {
 		// use the first container
 		args := []string{"exec", podName, fmt.Sprintf("--namespace=%v", ns), "--"}
 		args = append(args, command...)
@@ -615,11 +615,11 @@ func LookForStringInPodExec(ns, podName string, command []string, expectedString
 	})
 }
 
-// LookForString looks for the given string in the output of fn, repeatedly calling fn until
+// lookForString looks for the given string in the output of fn, repeatedly calling fn until
 // the timeout is reached or the string is found. Returns last log and possibly
 // error if the string was not found.
 // TODO(alejandrox1): move to pod/ subpkg once kubectl methods are refactored.
-func LookForString(expectedString string, timeout time.Duration, fn func() string) (result string, err error) {
+func lookForString(expectedString string, timeout time.Duration, fn func() string) (result string, err error) {
 	for t := time.Now(); time.Since(t) < timeout; time.Sleep(Poll) {
 		result = fn()
 		if strings.Contains(result, expectedString) {
@@ -1570,7 +1570,7 @@ func OpenWebSocketForURL(url *url.URL, config *restclient.Config, protocols []st
 
 // LookForStringInLog looks for the given string in the log of a specific pod container
 func LookForStringInLog(ns, podName, container, expectedString string, timeout time.Duration) (result string, err error) {
-	return LookForString(expectedString, timeout, func() string {
+	return lookForString(expectedString, timeout, func() string {
 		return RunKubectlOrDie(ns, "logs", podName, container, fmt.Sprintf("--namespace=%v", ns))
 	})
 }