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Signed-off-by: Goutham <gouthamve@gmail.com>

exporters/autoexport/metrics.go

@@ -101,10 +101,8 @@ func init() {
 			return nil, err
 		}
 		readerOpts := []metric.PeriodicReaderOption{}
-		if len(producers) > 0 {
-			for _, producer := range producers {
-				readerOpts = append(readerOpts, metric.WithProducer(producer))
-			}
+		for _, producer := range producers {
+			readerOpts = append(readerOpts, metric.WithProducer(producer))
 		}
 
 		proto := os.Getenv(otelExporterOTLPProtoEnvKey)
@@ -135,10 +133,8 @@ func init() {
 			return nil, err
 		}
 		readerOpts := []metric.PeriodicReaderOption{}
-		if len(producers) > 0 {
-			for _, producer := range producers {
-				readerOpts = append(readerOpts, metric.WithProducer(producer))
-			}
+		for _, producer := range producers {
+			readerOpts = append(readerOpts, metric.WithProducer(producer))
 		}
 
 		r, err := stdoutmetric.New()
@@ -163,10 +159,8 @@ func init() {
 		if err != nil {
 			return nil, err
 		}
-		if len(producers) > 0 {
-			for _, producer := range producers {
-				exporterOpts = append(exporterOpts, promexporter.WithProducer(producer))
-			}
+		for _, producer := range producers {
+			exporterOpts = append(exporterOpts, promexporter.WithProducer(producer))
 		}
 
 		reader, err := promexporter.New(exporterOpts...)

exporters/autoexport/noop.go

@@ -57,10 +57,3 @@ func (e noopMetricProducer) Produce(ctx context.Context) ([]metricdata.ScopeMetr
 func newNoopMetricProducer() noopMetricProducer {
 	return noopMetricProducer{}
 }
-
-// IsNoneMetricReader returns true for the exporter returned by [NewMetricReader]
-// when OTEL_METRICS_PRODUCERS environment variable is set to "none".
-func IsNoneMetricProducer(e metric.Producer) bool {
-	_, ok := e.(noopMetricProducer)
-	return ok
-}