diff --git a/plugins/serializers/splunkmetric/README.md b/plugins/serializers/splunkmetric/README.md
index 47ad8e1bf..96049e45f 100644
--- a/plugins/serializers/splunkmetric/README.md
+++ b/plugins/serializers/splunkmetric/README.md
@@ -38,8 +38,6 @@ you can send all of your CPU stats in one JSON struct, an example event looks li
   "event": "metric",
   "host": "mono.local",
   "fields": {
-    "_config_hecRouting": false,
-    "_config_multiMetric": true,
     "class": "osx",
     "cpu": "cpu0",
     "metric_name:telegraf.cpu.usage_guest": 0,
diff --git a/plugins/serializers/splunkmetric/splunkmetric.go b/plugins/serializers/splunkmetric/splunkmetric.go
index 77c724aa8..772771a10 100644
--- a/plugins/serializers/splunkmetric/splunkmetric.go
+++ b/plugins/serializers/splunkmetric/splunkmetric.go
@@ -179,12 +179,7 @@ func (s *serializer) createObject(metric telegraf.Metric) (metricGroup []byte, e
 	// The tags are common to all events in this timeseries
 	commonTags := CommonTags{}
 
-	commonObj := map[string]interface{}{}
-
-	commonObj["config:hecRouting"] = s.HecRouting
-	commonObj["config:multiMetric"] = s.SplunkmetricMultiMetric
-
-	commonTags.Fields = commonObj
+	commonTags.Fields = map[string]interface{}{}
 
 	// Break tags out into key(n)=value(t) pairs
 	for n, t := range metric.Tags() {
diff --git a/plugins/serializers/splunkmetric/splunkmetric_test.go b/plugins/serializers/splunkmetric/splunkmetric_test.go
index 70037e28a..5ce5265d8 100644
--- a/plugins/serializers/splunkmetric/splunkmetric_test.go
+++ b/plugins/serializers/splunkmetric/splunkmetric_test.go
@@ -4,10 +4,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/stretchr/testify/assert"
-
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/metric"
+	"github.com/stretchr/testify/assert"
 )
 
 func MustMetric(v telegraf.Metric, err error) telegraf.Metric {
@@ -33,7 +32,7 @@ func TestSerializeMetricFloat(t *testing.T) {
 	var buf []byte
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
-	expS := `{"_value":91.5,"config:hecRouting":false,"config:multiMetric":false,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":1529875740.819}`
+	expS := `{"_value":91.5,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":1529875740.819}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -53,7 +52,7 @@ func TestSerializeMetricFloatHec(t *testing.T) {
 	var buf []byte
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
-	expS := `{"time":1529875740.819,"event":"metric","fields":{"_value":91.5,"config:hecRouting":true,"config:multiMetric":false,"cpu":"cpu0","metric_name":"cpu.usage_idle"}}`
+	expS := `{"time":1529875740.819,"event":"metric","fields":{"_value":91.5,"cpu":"cpu0","metric_name":"cpu.usage_idle"}}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -73,7 +72,7 @@ func TestSerializeMetricInt(t *testing.T) {
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
 
-	expS := `{"_value":90,"config:hecRouting":false,"config:multiMetric":false,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":0}`
+	expS := `{"_value":90,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":0}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -93,7 +92,7 @@ func TestSerializeMetricIntHec(t *testing.T) {
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
 
-	expS := `{"time":0,"event":"metric","fields":{"_value":90,"config:hecRouting":true,"config:multiMetric":false,"cpu":"cpu0","metric_name":"cpu.usage_idle"}}`
+	expS := `{"time":0,"event":"metric","fields":{"_value":90,"cpu":"cpu0","metric_name":"cpu.usage_idle"}}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -113,7 +112,7 @@ func TestSerializeMetricBool(t *testing.T) {
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
 
-	expS := `{"_value":1,"config:hecRouting":false,"config:multiMetric":false,"container-name":"telegraf-test","metric_name":"docker.oomkiller","time":0}`
+	expS := `{"_value":1,"container-name":"telegraf-test","metric_name":"docker.oomkiller","time":0}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -133,7 +132,7 @@ func TestSerializeMetricBoolHec(t *testing.T) {
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
 
-	expS := `{"time":0,"event":"metric","fields":{"_value":0,"config:hecRouting":true,"config:multiMetric":false,"container-name":"telegraf-test","metric_name":"docker.oomkiller"}}`
+	expS := `{"time":0,"event":"metric","fields":{"_value":0,"container-name":"telegraf-test","metric_name":"docker.oomkiller"}}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -154,7 +153,7 @@ func TestSerializeMetricString(t *testing.T) {
 	buf, err = s.Serialize(m)
 	assert.NoError(t, err)
 
-	expS := `{"_value":5,"config:hecRouting":false,"config:multiMetric":false,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":0}`
+	expS := `{"_value":5,"cpu":"cpu0","metric_name":"cpu.usage_idle","time":0}`
 	assert.Equal(t, string(expS), string(buf))
 	assert.NoError(t, err)
 }
@@ -186,7 +185,7 @@ func TestSerializeBatch(t *testing.T) {
 	buf, err := s.SerializeBatch(metrics)
 	assert.NoError(t, err)
 
-	expS := `{"_value":42,"config:hecRouting":false,"config:multiMetric":false,"metric_name":"cpu.value","time":0}{"_value":92,"config:hecRouting":false,"config:multiMetric":false,"metric_name":"cpu.value","time":0}`
+	expS := `{"_value":42,"metric_name":"cpu.value","time":0}{"_value":92,"metric_name":"cpu.value","time":0}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -208,7 +207,7 @@ func TestSerializeMulti(t *testing.T) {
 	buf, err := s.SerializeBatch(metrics)
 	assert.NoError(t, err)
 
-	expS := `{"config:hecRouting":false,"config:multiMetric":true,"metric_name:cpu.system":8,"metric_name:cpu.user":42,"time":0}`
+	expS := `{"metric_name:cpu.system":8,"metric_name:cpu.user":42,"time":0}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -239,7 +238,7 @@ func TestSerializeBatchHec(t *testing.T) {
 	buf, err := s.SerializeBatch(metrics)
 	assert.NoError(t, err)
 
-	expS := `{"time":0,"event":"metric","fields":{"_value":42,"config:hecRouting":true,"config:multiMetric":false,"metric_name":"cpu.value"}}{"time":0,"event":"metric","fields":{"_value":92,"config:hecRouting":true,"config:multiMetric":false,"metric_name":"cpu.value"}}`
+	expS := `{"time":0,"event":"metric","fields":{"_value":42,"metric_name":"cpu.value"}}{"time":0,"event":"metric","fields":{"_value":92,"metric_name":"cpu.value"}}`
 	assert.Equal(t, string(expS), string(buf))
 }
 
@@ -261,6 +260,6 @@ func TestSerializeMultiHec(t *testing.T) {
 	buf, err := s.SerializeBatch(metrics)
 	assert.NoError(t, err)
 
-	expS := `{"time":0,"event":"metric","fields":{"config:hecRouting":true,"config:multiMetric":true,"metric_name:cpu.system":8,"metric_name:cpu.usage":42}}`
+	expS := `{"time":0,"event":"metric","fields":{"metric_name:cpu.system":8,"metric_name:cpu.usage":42}}`
 	assert.Equal(t, string(expS), string(buf))
 }