diff --git a/prompb/io/prometheus/write/v2/codec.go b/prompb/io/prometheus/write/v2/codec.go
index ebdd900c71..034ac84da3 100644
--- a/prompb/io/prometheus/write/v2/codec.go
+++ b/prompb/io/prometheus/write/v2/codec.go
@@ -31,7 +31,7 @@ func (m TimeSeries) ToLabels(b *labels.ScratchBuilder, symbols []string) (labels
 	return desymbolizeLabels(b, m.GetLabelsRefs(), symbols)
 }
 
-// ToMetadata return model metadata from timeseries' remote metadata.
+// ToMetadata returns model metadata from timeseries' remote metadata.
 func (m TimeSeries) ToMetadata(symbols []string) (metadata.Metadata, error) {
 	typ := model.MetricTypeUnknown
 	switch m.Metadata.Type {
diff --git a/storage/remote/write_handler.go b/storage/remote/write_handler.go
index 282669ea3c..e963879212 100644
--- a/storage/remote/write_handler.go
+++ b/storage/remote/write_handler.go
@@ -322,7 +322,6 @@ func (h *writeHandler) appendV2(app storage.Appender, req *writev2.Request, rs *
 		m, err := ts.ToMetadata(req.Symbols)
 		if err != nil {
 			badRequestErrs = append(badRequestErrs, fmt.Errorf("parsing metadata for series %v: %w", ts.LabelsRefs, err))
-			samplesWithInvalidLabels += len(ts.Samples) + len(ts.Histograms)
 			continue
 		}
 		if h.enableTypeAndUnitLabels && (m.Type != model.MetricTypeUnknown || m.Unit != "") {