diff --git a/meter/meter.go b/meter/meter.go
index 76bb8f10..1c94b8be 100644
--- a/meter/meter.go
+++ b/meter/meter.go
@@ -3,8 +3,6 @@ package meter
 
 import (
 	"time"
-
-	"github.com/unistack-org/micro/v3/metadata"
 )
 
 var (
@@ -25,13 +23,13 @@ var (
 // Meter is an interface for collecting and instrumenting metrics
 type Meter interface {
 	Init(...Option) error
-	Counter(string, metadata.Metadata) Counter
-	FloatCounter(string, metadata.Metadata) FloatCounter
-	Gauge(string, func() float64, metadata.Metadata) Gauge
-	Set(metadata.Metadata) Meter
-	Histogram(string, metadata.Metadata) Histogram
-	Summary(string, metadata.Metadata) Summary
-	SummaryExt(string, time.Duration, []float64, metadata.Metadata) Summary
+	Counter(string, map[string]string) Counter
+	FloatCounter(string, map[string]string) FloatCounter
+	Gauge(string, func() float64, map[string]string) Gauge
+	Set(map[string]string) Meter
+	Histogram(string, map[string]string) Histogram
+	Summary(string, map[string]string) Summary
+	SummaryExt(string, time.Duration, []float64, map[string]string) Summary
 	Options() Options
 	String() string
 }
diff --git a/meter/noop.go b/meter/noop.go
index f16e0de3..f18f9fdf 100644
--- a/meter/noop.go
+++ b/meter/noop.go
@@ -9,7 +9,7 @@ import (
 // NoopMeter is an noop implementation of Meter
 type noopMeter struct {
 	opts Options
-	md   metadata.Metadata
+	md   map[string]string
 }
 
 // NewMeter returns a configured noop reporter:
@@ -28,37 +28,37 @@ func (r *noopMeter) Init(opts ...Option) error {
 }
 
 // Counter implements the Meter interface
-func (r *noopMeter) Counter(name string, md metadata.Metadata) Counter {
+func (r *noopMeter) Counter(name string, md map[string]string) Counter {
 	return &noopCounter{}
 }
 
 // FloatCounter implements the Meter interface
-func (r *noopMeter) FloatCounter(name string, md metadata.Metadata) FloatCounter {
+func (r *noopMeter) FloatCounter(name string, md map[string]string) FloatCounter {
 	return &noopFloatCounter{}
 }
 
 // Gauge implements the Meter interface
-func (r *noopMeter) Gauge(name string, f func() float64, md metadata.Metadata) Gauge {
+func (r *noopMeter) Gauge(name string, f func() float64, md map[string]string) Gauge {
 	return &noopGauge{}
 }
 
 // Summary implements the Meter interface
-func (r *noopMeter) Summary(name string, md metadata.Metadata) Summary {
+func (r *noopMeter) Summary(name string, md map[string]string) Summary {
 	return &noopSummary{}
 }
 
 // SummaryExt implements the Meter interface
-func (r *noopMeter) SummaryExt(name string, window time.Duration, quantiles []float64, md metadata.Metadata) Summary {
+func (r *noopMeter) SummaryExt(name string, window time.Duration, quantiles []float64, md map[string]string) Summary {
 	return &noopSummary{}
 }
 
 // Histogram implements the Meter interface
-func (r *noopMeter) Histogram(name string, md metadata.Metadata) Histogram {
+func (r *noopMeter) Histogram(name string, md map[string]string) Histogram {
 	return &noopHistogram{}
 }
 
 // Set implements the Meter interface
-func (r *noopMeter) Set(md metadata.Metadata) Meter {
+func (r *noopMeter) Set(md map[string]string) Meter {
 	return &noopMeter{opts: r.opts, md: metadata.Copy(md)}
 }
 
diff --git a/meter/options.go b/meter/options.go
index 5866c130..e6e6e10f 100644
--- a/meter/options.go
+++ b/meter/options.go
@@ -4,7 +4,6 @@ import (
 	"context"
 
 	"github.com/unistack-org/micro/v3/logger"
-	"github.com/unistack-org/micro/v3/metadata"
 )
 
 // Option powers the configuration for metrics implementations:
@@ -14,7 +13,7 @@ type Option func(*Options)
 type Options struct {
 	Address  string
 	Path     string
-	Metadata metadata.Metadata
+	Metadata map[string]string
 	//TimingObjectives map[float64]float64
 	Logger       logger.Logger
 	Context      context.Context
@@ -26,7 +25,7 @@ type Options struct {
 func NewOptions(opt ...Option) Options {
 	opts := Options{
 		Address:      DefaultAddress,
-		Metadata:     metadata.New(3), // 3 elements contains service name, version and id
+		Metadata:     make(map[string]string, 3), // 3 elements contains service name, version and id
 		Path:         DefaultPath,
 		Context:      context.Background(),
 		Logger:       logger.DefaultLogger,
@@ -63,9 +62,11 @@ func Address(value string) Option {
 }
 
 // Metadata will be added to every metric
-func Metadata(md metadata.Metadata) Option {
+func Metadata(md map[string]string) Option {
 	return func(o *Options) {
-		o.Metadata = metadata.Copy(md)
+		for k, v := range md {
+			o.Metadata[k] = v
+		}
 	}
 }