diff --git a/pkg/cloudprovider/mesos/mesos.go b/pkg/cloudprovider/mesos/mesos.go
index 8df50beefde..7334f8560a2 100644
--- a/pkg/cloudprovider/mesos/mesos.go
+++ b/pkg/cloudprovider/mesos/mesos.go
@@ -114,7 +114,7 @@ func (c *MesosCloud) ListClusters() ([]string, error) {
 	return []string{name}, err
 }
 
-// Master gets back the address (either DNS name or IP address) of the master node for the cluster.
+// Master gets back the address (either DNS name or IP address) of the leading Mesos master node for the cluster.
 func (c *MesosCloud) Master(clusterName string) (string, error) {
 	clusters, err := c.ListClusters()
 	if err != nil {
@@ -138,7 +138,7 @@ func (c *MesosCloud) Master(clusterName string) (string, error) {
 }
 
 // ipAddress returns an IP address of the specified instance.
-func (c *MesosCloud) ipAddress(name string) (net.IP, error) {
+func ipAddress(name string) (net.IP, error) {
 	if name == "" {
 		return nil, noHostNameSpecified
 	}
@@ -158,7 +158,7 @@ func (c *MesosCloud) ipAddress(name string) (net.IP, error) {
 
 // ExternalID returns the cloud provider ID of the specified instance.
 func (c *MesosCloud) ExternalID(instance string) (string, error) {
-	ip, err := c.ipAddress(instance)
+	ip, err := ipAddress(instance)
 	if err != nil {
 		return "", err
 	}
@@ -218,7 +218,7 @@ func (c *MesosCloud) GetNodeResources(name string) (*api.NodeResources, error) {
 
 // NodeAddresses returns the addresses of the specified instance.
 func (c *MesosCloud) NodeAddresses(name string) ([]api.NodeAddress, error) {
-	ip, err := c.ipAddress(name)
+	ip, err := ipAddress(name)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/cloudprovider/mesos/mesos_test.go b/pkg/cloudprovider/mesos/mesos_test.go
index b6503faff8f..d27dfa28027 100644
--- a/pkg/cloudprovider/mesos/mesos_test.go
+++ b/pkg/cloudprovider/mesos/mesos_test.go
@@ -28,9 +28,8 @@ import (
 )
 
 func TestIPAddress(t *testing.T) {
-	c := &MesosCloud{}
 	expected4 := net.IPv4(127, 0, 0, 1)
-	ip, err := c.ipAddress("127.0.0.1")
+	ip, err := ipAddress("127.0.0.1")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -42,7 +41,7 @@ func TestIPAddress(t *testing.T) {
 	if expected6 == nil {
 		t.Fatalf("failed to parse ipv6 ::1")
 	}
-	ip, err = c.ipAddress("::1")
+	ip, err = ipAddress("::1")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -50,7 +49,7 @@ func TestIPAddress(t *testing.T) {
 		t.Fatalf("expected %#v instead of %#v", expected6, ip)
 	}
 
-	ip, err = c.ipAddress("localhost")
+	ip, err = ipAddress("localhost")
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
@@ -58,7 +57,7 @@ func TestIPAddress(t *testing.T) {
 		t.Fatalf("expected %#v or %#v instead of %#v", expected4, expected6, ip)
 	}
 
-	_, err = c.ipAddress("")
+	_, err = ipAddress("")
 	if err != noHostNameSpecified {
 		t.Fatalf("expected error noHostNameSpecified but got none")
 	}