diff --git a/informer/disk/disk.go b/informer/disk/disk.go
index 07366de3..3306df23 100644
--- a/informer/disk/disk.go
+++ b/informer/disk/disk.go
@@ -5,6 +5,7 @@
 package disk
 
 import (
+	"errors"
 	"fmt"
 
 	rpc "github.com/hsanjuan/go-libp2p-gorpc"
@@ -42,18 +43,17 @@ type Informer struct {
 	rpcName   string
 }
 
-// NewInformer returns an initialized Informer that uses the DefaultMetric. The
-// name argument is meant as a user-facing identifier for the Informer and can
-// be anything.
-func NewInformer(name string) *Informer {
+// NewInformer returns an initialized Informer that uses the DefaultMetric.
+func NewInformer() *Informer {
 	return &Informer{
-		name:    name,
+		name:    "disk-default",
 		rpcName: metricToRPC[DefaultMetric],
 	}
 }
 
 // NewInformerWithMetric returns an Informer that uses the input MetricType. The
-// name argument has the same purpose as in NewInformer.
+// name argument is meant as a user-facing identifier for the Informer and can
+// be anything.
 func NewInformerWithMetric(metric MetricType, name string) (*Informer, error) {
 	// check whether specified metric is supported
 	if rpc, valid := metricToRPC[metric]; valid {
@@ -62,7 +62,7 @@ func NewInformerWithMetric(metric MetricType, name string) (*Informer, error) {
 			rpcName: rpc,
 		}, nil
 	}
-	return nil, fmt.Error("Error creating Informer: invalid MetricType")
+	return nil, errors.New("Error creating Informer: invalid MetricType")
 }
 
 // Name returns the user-facing name of this informer.
diff --git a/informer/disk/disk_test.go b/informer/disk/disk_test.go
index 610f636c..44721354 100644
--- a/informer/disk/disk_test.go
+++ b/informer/disk/disk_test.go
@@ -56,7 +56,7 @@ func (mock *badRPCService) IPFSFreeSpace(in struct{}, out *int) error {
 }
 
 func Test(t *testing.T) {
-	inf := NewInformer("name")
+	inf := NewInformer()
 	defer inf.Shutdown()
 	if inf.Type != DefaultMetric {
 		t.Error("careful when changing the name of an informer")
@@ -115,7 +115,7 @@ func TestRepoSize(t *testing.T) {
 }
 
 func TestWithErrors(t *testing.T) {
-	inf := NewInformer("name")
+	inf := NewInformer()
 	defer inf.Shutdown()
 	inf.SetClient(badRPCClient(t))
 	m := inf.GetMetric()
diff --git a/ipfscluster_test.go b/ipfscluster_test.go
index 8acfdd56..710d785f 100644
--- a/ipfscluster_test.go
+++ b/ipfscluster_test.go
@@ -96,7 +96,7 @@ func createComponents(t *testing.T, i int, clusterSecret []byte) (*Config, API,
 	mon := basic.NewStdPeerMonitor(cfg.MonitoringIntervalSeconds)
 	alloc := descendalloc.NewAllocator()
 	disk.MetricTTL = 1 // second
-	inf := disk.NewInformer("freespace")
+	inf := disk.NewInformer()
 
 	return cfg, api, ipfs, state, tracker, mon, alloc, inf, mock
 }