diff --git a/collector/cluster_health.go b/collector/cluster_health.go
index ec665f24..379efe34 100644
--- a/collector/cluster_health.go
+++ b/collector/cluster_health.go
@@ -50,7 +50,7 @@ type ClusterHealth struct {
 // NewClusterHealth returns a new Collector exposing ClusterHealth stats.
 func NewClusterHealth(logger log.Logger, client *http.Client, url *url.URL) *ClusterHealth {
 	subsystem := "cluster_health"
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 
 	return &ClusterHealth{
 		logger: logger,
diff --git a/collector/cluster_settings.go b/collector/cluster_settings.go
index 70ecc35b..a6d301cf 100644
--- a/collector/cluster_settings.go
+++ b/collector/cluster_settings.go
@@ -26,7 +26,7 @@ type ClusterSettings struct {
 
 // NewClusterSettings defines Cluster Settings Prometheus metrics
 func NewClusterSettings(logger log.Logger, client *http.Client, url *url.URL) *ClusterSettings {
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 	return &ClusterSettings{
 		logger: logger,
 		client: client,
diff --git a/collector/const_labels.go b/collector/const_labels.go
index 05801fbb..91b35294 100644
--- a/collector/const_labels.go
+++ b/collector/const_labels.go
@@ -6,7 +6,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-func ConstLabelsFromURL(url *url.URL) prometheus.Labels {
+func constLabelsFromURL(url *url.URL) prometheus.Labels {
 	u := *url
 	u.User = nil
 	return map[string]string{
diff --git a/collector/indices.go b/collector/indices.go
index 51eac9c6..92cb02d0 100644
--- a/collector/indices.go
+++ b/collector/indices.go
@@ -51,7 +51,7 @@ type Indices struct {
 
 // NewIndices defines Indices Prometheus metrics
 func NewIndices(logger log.Logger, client *http.Client, url *url.URL, shards bool) *Indices {
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 
 	indexLabels := labels{
 		keys: func(...string) []string {
diff --git a/collector/indices_settings.go b/collector/indices_settings.go
index 9da2c7f0..a68e9ea1 100644
--- a/collector/indices_settings.go
+++ b/collector/indices_settings.go
@@ -25,7 +25,7 @@ type IndicesSettings struct {
 
 // NewIndicesSettings defines Indices Settings Prometheus metrics
 func NewIndicesSettings(logger log.Logger, client *http.Client, url *url.URL) *IndicesSettings {
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 	return &IndicesSettings{
 		logger: logger,
 		client: client,
diff --git a/collector/nodes.go b/collector/nodes.go
index 0c115924..79f1caab 100644
--- a/collector/nodes.go
+++ b/collector/nodes.go
@@ -170,7 +170,7 @@ type Nodes struct {
 
 // NewNodes defines Nodes Prometheus metrics
 func NewNodes(logger log.Logger, client *http.Client, url *url.URL, all bool, node string) *Nodes {
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 	return &Nodes{
 		logger: logger,
 		client: client,
diff --git a/collector/snapshots.go b/collector/snapshots.go
index 79045baa..ee3cf31f 100644
--- a/collector/snapshots.go
+++ b/collector/snapshots.go
@@ -52,7 +52,7 @@ type Snapshots struct {
 
 // NewSnapshots defines Snapshots Prometheus metrics
 func NewSnapshots(logger log.Logger, client *http.Client, url *url.URL) *Snapshots {
-	constLabels := ConstLabelsFromURL(url)
+	constLabels := constLabelsFromURL(url)
 	return &Snapshots{
 		logger: logger,
 		client: client,