diff --git a/pkg/logentry/metric/entries.go b/pkg/logentry/metric/entries.go
deleted file mode 100644
index b2a46448e6e1..000000000000
--- a/pkg/logentry/metric/entries.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package metric
-
-import (
-	"time"
-
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/common/model"
-
-	"github.com/grafana/loki/pkg/promtail/api"
-)
-
-// LogSize observes log line size for each stream.
-func LogSize(reg prometheus.Registerer, next api.EntryHandler) api.EntryHandler {
-	cfg := HistogramConfig{
-		Buckets: prometheus.ExponentialBuckets(16, 2, 8),
-	}
-	c, err := NewHistograms("log_entries_bytes", "the total count of bytes", cfg)
-	if err != nil {
-		panic(err)
-	}
-	reg.MustRegister(c)
-	return api.EntryHandlerFunc(func(labels model.LabelSet, time time.Time, entry string) error {
-		if err := next.Handle(labels, time, entry); err != nil {
-			return err
-		}
-		c.With(labels).Observe(float64(len(entry)))
-		return nil
-	})
-}
diff --git a/pkg/logentry/metric/entries_test.go b/pkg/logentry/metric/entries_test.go
deleted file mode 100644
index a00a979b5c67..000000000000
--- a/pkg/logentry/metric/entries_test.go
+++ /dev/null
@@ -1,100 +0,0 @@
-package metric
-
-import (
-	"errors"
-	"strings"
-	"sync"
-	"testing"
-	"time"
-
-	"github.com/grafana/loki/pkg/promtail/api"
-
-	"github.com/prometheus/client_golang/prometheus"
-
-	testutil "github.com/prometheus/client_golang/prometheus/testutil"
-	"github.com/prometheus/common/model"
-)
-
-func Test_LogSize(t *testing.T) {
-	t.Parallel()
-	reg := prometheus.NewRegistry()
-	handler := LogSize(reg, errorHandler)
-
-	workerCount := 5
-	var wg sync.WaitGroup
-	for i := 0; i < workerCount; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{}), time.Now(), "foo")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{"foo": "bar"}), time.Now(), "bar")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{"bar": "foo"}), time.Now(), "fu")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{"bar": "foo", "foo": "bar"}), time.Now(), "baz")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{}), time.Now(), "more")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{}), time.Now(), "error")
-			_ = handler.Handle(model.LabelSet(map[model.LabelName]model.LabelValue{"bar": "foo", "foo": "bar"}), time.Now(), "error")
-
-		}()
-	}
-	wg.Wait()
-
-	if err := testutil.GatherAndCompare(reg, strings.NewReader(expectedSize), "log_entries_bytes"); err != nil {
-		t.Fatalf("missmatch metrics: %v", err)
-	}
-
-}
-
-var errorHandler = api.EntryHandlerFunc(func(labels model.LabelSet, time time.Time, entry string) error {
-	if entry == "error" {
-		return errors.New("")
-	}
-	return nil
-})
-
-const expectedSize = `# HELP log_entries_bytes the total count of bytes
-# TYPE log_entries_bytes histogram
-log_entries_bytes_bucket{le="16.0"} 10.0
-log_entries_bytes_bucket{le="32.0"} 10.0
-log_entries_bytes_bucket{le="64.0"} 10.0
-log_entries_bytes_bucket{le="128.0"} 10.0
-log_entries_bytes_bucket{le="256.0"} 10.0
-log_entries_bytes_bucket{le="512.0"} 10.0
-log_entries_bytes_bucket{le="1024.0"} 10.0
-log_entries_bytes_bucket{le="2048.0"} 10.0
-log_entries_bytes_bucket{le="+Inf"} 10.0
-log_entries_bytes_sum 35.0
-log_entries_bytes_count 10.0
-log_entries_bytes_bucket{foo="bar",le="16.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="32.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="64.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="128.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="256.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="512.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="1024.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="2048.0"} 5.0
-log_entries_bytes_bucket{foo="bar",le="+Inf"} 5.0
-log_entries_bytes_sum{foo="bar"} 15.0
-log_entries_bytes_count{foo="bar"} 5.0
-log_entries_bytes_bucket{bar="foo",le="16.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="32.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="64.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="128.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="256.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="512.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="1024.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="2048.0"} 5.0
-log_entries_bytes_bucket{bar="foo",le="+Inf"} 5.0
-log_entries_bytes_sum{bar="foo"} 10.0
-log_entries_bytes_count{bar="foo"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="16.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="32.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="64.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="128.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="256.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="512.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="1024.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="2048.0"} 5.0
-log_entries_bytes_bucket{bar="foo",foo="bar",le="+Inf"} 5.0
-log_entries_bytes_sum{bar="foo",foo="bar"} 15.0
-log_entries_bytes_count{bar="foo",foo="bar"} 5.0
-`