diff --git a/node/cmd/guardiand/node.go b/node/cmd/guardiand/node.go
index 8fa604ef26..e434d25e59 100644
--- a/node/cmd/guardiand/node.go
+++ b/node/cmd/guardiand/node.go
@@ -1055,11 +1055,11 @@ func runNode(cmd *cobra.Command, args []string) {
 		if (err != nil) || (statusPort64 == 0) {
 			logger.Fatal("Please specify a valid --statusAddr")
 		} else {
-			// TODO: check when the http server gets started.
 			info.StatusPort = uint16(statusPort64)
 			promLogger := logger.With(zap.String("component", "prometheus_scraper"))
 			errC := make(chan error)
 			common.StartRunnable(rootCtx, errC, false, "prometheus_scraper", func(ctx context.Context) error {
+				// This initial sleep allows the http server to start up.
 				t := time.NewTicker(15 * time.Second)
 
 				for {
diff --git a/node/pkg/proto/prometheus/v1/remote.pb.go b/node/pkg/proto/prometheus/v1/remote.pb.go
index 43d3d5a692..901273d94a 100644
--- a/node/pkg/proto/prometheus/v1/remote.pb.go
+++ b/node/pkg/proto/prometheus/v1/remote.pb.go
@@ -12,6 +12,8 @@
 // limitations under the License.
 
 // NOTICE: THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL
+// Changes were made to use go protobuf instead of gogo protobuf.
+// Original code is here: https://github.com/prometheus/prometheus/blob/e4ec263bcc11493953c75d1b2e7bc78fd0463e05/prompb/remote.proto
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
diff --git a/node/pkg/proto/prometheus/v1/types.pb.go b/node/pkg/proto/prometheus/v1/types.pb.go
index 4f054f8a26..a2dd60a5af 100644
--- a/node/pkg/proto/prometheus/v1/types.pb.go
+++ b/node/pkg/proto/prometheus/v1/types.pb.go
@@ -12,6 +12,8 @@
 // limitations under the License.
 
 // NOTICE: THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL
+// Changes were made to use go protobuf instead of gogo protobuf.
+// Original code is here: https://github.com/prometheus/prometheus/blob/e4ec263bcc11493953c75d1b2e7bc78fd0463e05/prompb/types.proto
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
diff --git a/node/pkg/telemetry/prom_remote_write/format.go b/node/pkg/telemetry/prom_remote_write/format.go
index 6b453c6d1c..ff20471123 100644
--- a/node/pkg/telemetry/prom_remote_write/format.go
+++ b/node/pkg/telemetry/prom_remote_write/format.go
@@ -12,6 +12,8 @@
 // limitations under the License.
 
 // NOTICE: THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL
+// Changes were made to use go protobuf instead of gogo protobuf.
+// Original code is here: https://github.com/prometheus/prometheus/blob/e4ec263bcc11493953c75d1b2e7bc78fd0463e05/util/fmtutil/format.go
 
 package promremotew
 
diff --git a/node/pkg/telemetry/prom_remote_write/prom_test.go b/node/pkg/telemetry/prom_remote_write/prom_test.go
index dc10d5d794..127ba126a7 100644
--- a/node/pkg/telemetry/prom_remote_write/prom_test.go
+++ b/node/pkg/telemetry/prom_remote_write/prom_test.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"testing"
 
-	// "github.com/certusone/wormhole/node/pkg/telemetry/prom_remote_write/prompb"
 	prometheusv1 "github.com/certusone/wormhole/node/pkg/proto/prometheus/v1"
 	"google.golang.org/protobuf/proto"
 
@@ -201,14 +200,8 @@ func TestMarshalUnmarshal(t *testing.T) {
 	wr := prometheusv1.WriteRequest{Timeseries: timeseries}
 	bytes, err := proto.Marshal(&wr)
 	require.NoError(t, err)
-	// if err != nil {
-	// 	panic("Failed to marshall: " + err.Error())
-	// }
 
 	newWr := prometheusv1.WriteRequest{}
-	err = proto.Unmarshal(bytes, &newWr) // this line causes panic
+	err = proto.Unmarshal(bytes, &newWr)
 	require.NoError(t, err)
-	// if err != nil {
-	// 	panic("Failed to unmarshall: " + err.Error())
-	// }
 }
diff --git a/node/pkg/telemetry/prom_remote_write/scrape.go b/node/pkg/telemetry/prom_remote_write/scrape.go
index 3741088d7a..17f7b276cd 100644
--- a/node/pkg/telemetry/prom_remote_write/scrape.go
+++ b/node/pkg/telemetry/prom_remote_write/scrape.go
@@ -93,16 +93,3 @@ func ScrapeAndSendLocalMetrics(ctx context.Context, info PromTelemetryInfo, logg
 	}
 	return nil
 }
-
-// func StartPrometheusScraper(ctx context.Context, info PromTelemetryInfo, logger *zap.Logger) error {
-// 	promLogger := logger.With(zap.String("component", "prometheus_scraper"))
-// 	for {
-// 		// Sleeping first to give things a chance to set up
-// 		time.Sleep(15 * time.Second)
-// 		ScrapeAndSendLocalMetrics(info, promLogger)
-// 		select {
-// 		case <-ctx.Done():
-// 			return ctx.Err()
-// 		}
-// 	}
-// }
diff --git a/proto/prometheus/v1/remote.proto b/proto/prometheus/v1/remote.proto
index 0850c6d249..c301aa8dad 100644
--- a/proto/prometheus/v1/remote.proto
+++ b/proto/prometheus/v1/remote.proto
@@ -12,6 +12,8 @@
 // limitations under the License.
 
 // NOTICE: THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL
+// Changes were made to use go protobuf instead of gogo protobuf.
+// Original code is here: https://github.com/prometheus/prometheus/blob/e4ec263bcc11493953c75d1b2e7bc78fd0463e05/prompb/remote.proto
 
 syntax = "proto3";
 package prometheus.v1;
diff --git a/proto/prometheus/v1/types.proto b/proto/prometheus/v1/types.proto
index 585b9b3ead..cdc6cbda94 100644
--- a/proto/prometheus/v1/types.proto
+++ b/proto/prometheus/v1/types.proto
@@ -12,6 +12,8 @@
 // limitations under the License.
 
 // NOTICE: THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL
+// Changes were made to use go protobuf instead of gogo protobuf.
+// Original code is here: https://github.com/prometheus/prometheus/blob/e4ec263bcc11493953c75d1b2e7bc78fd0463e05/prompb/types.proto
 
 syntax = "proto3";
 package prometheus.v1;