diff --git a/lib/prompbmarshal/remote.pb.go b/lib/prompbmarshal/remote.pb.go
index a668fea11..a65c256b0 100644
--- a/lib/prompbmarshal/remote.pb.go
+++ b/lib/prompbmarshal/remote.pb.go
@@ -4,61 +4,50 @@
 package prompbmarshal
 
 import (
-	math_bits "math/bits"
+	"math/bits"
 )
 
 type WriteRequest struct {
 	Timeseries []TimeSeries
 }
 
-func (m *WriteRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.Timeseries) > 0 {
-		for iNdEx := len(m.Timeseries) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Timeseries[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarint(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0xa
+func (m *WriteRequest) MarshalToSizedBuffer(dst []byte) (int, error) {
+	i := len(dst)
+	for j := len(m.Timeseries) - 1; j >= 0; j-- {
+		size, err := m.Timeseries[j].MarshalToSizedBuffer(dst[:i])
+		if err != nil {
+			return 0, err
 		}
+		i -= size
+		i = encodeVarint(dst, i, uint64(size))
+		i--
+		dst[i] = 0xa
 	}
-	return len(dAtA) - i, nil
+	return len(dst) - i, nil
 }
 
-func encodeVarint(dAtA []byte, offset int, v uint64) int {
+func encodeVarint(dst []byte, offset int, v uint64) int {
 	offset -= sov(v)
 	base := offset
 	for v >= 1<<7 {
-		dAtA[offset] = uint8(v&0x7f | 0x80)
+		dst[offset] = uint8(v&0x7f | 0x80)
 		v >>= 7
 		offset++
 	}
-	dAtA[offset] = uint8(v)
+	dst[offset] = uint8(v)
 	return base
 }
 func (m *WriteRequest) Size() (n int) {
 	if m == nil {
 		return 0
 	}
-	var l int
-	_ = l
-	if len(m.Timeseries) > 0 {
-		for _, e := range m.Timeseries {
-			l = e.Size()
-			n += 1 + l + sov(uint64(l))
-		}
+	for _, e := range m.Timeseries {
+		l := e.Size()
+		n += 1 + l + sov(uint64(l))
 	}
 	return n
 }
 
 func sov(x uint64) (n int) {
-	return (math_bits.Len64(x|1) + 6) / 7
+	return (bits.Len64(x|1) + 6) / 7
 }
diff --git a/lib/prompbmarshal/types.pb.go b/lib/prompbmarshal/types.pb.go
index 249e5c80b..ca2b62f1b 100644
--- a/lib/prompbmarshal/types.pb.go
+++ b/lib/prompbmarshal/types.pb.go
@@ -4,8 +4,8 @@
 package prompbmarshal
 
 import (
-	encoding_binary "encoding/binary"
-	math "math"
+	"encoding/binary"
+	"math"
 )
 
 type Sample struct {
@@ -24,89 +24,70 @@ type Label struct {
 	Value string
 }
 
-func (m *Sample) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
+func (m *Sample) MarshalToSizedBuffer(dst []byte) (int, error) {
+	i := len(dst)
 	if m.Timestamp != 0 {
-		i = encodeVarint(dAtA, i, uint64(m.Timestamp))
+		i = encodeVarint(dst, i, uint64(m.Timestamp))
 		i--
-		dAtA[i] = 0x10
+		dst[i] = 0x10
 	}
 	if m.Value != 0 {
 		i -= 8
-		encoding_binary.LittleEndian.PutUint64(dAtA[i:], uint64(math.Float64bits(float64(m.Value))))
+		binary.LittleEndian.PutUint64(dst[i:], uint64(math.Float64bits(float64(m.Value))))
 		i--
-		dAtA[i] = 0x9
+		dst[i] = 0x9
 	}
-	return len(dAtA) - i, nil
+	return len(dst) - i, nil
 }
 
-func (m *TimeSeries) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.Samples) > 0 {
-		for iNdEx := len(m.Samples) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Samples[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarint(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x12
+func (m *TimeSeries) MarshalToSizedBuffer(dst []byte) (int, error) {
+	i := len(dst)
+	for j := len(m.Samples) - 1; j >= 0; j-- {
+		size, err := m.Samples[j].MarshalToSizedBuffer(dst[:i])
+		if err != nil {
+			return 0, err
 		}
+		i -= size
+		i = encodeVarint(dst, i, uint64(size))
+		i--
+		dst[i] = 0x12
 	}
-	if len(m.Labels) > 0 {
-		for iNdEx := len(m.Labels) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.Labels[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarint(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0xa
+	for j := len(m.Labels) - 1; j >= 0; j-- {
+		size, err := m.Labels[j].MarshalToSizedBuffer(dst[:i])
+		if err != nil {
+			return 0, err
 		}
+		i -= size
+		i = encodeVarint(dst, i, uint64(size))
+		i--
+		dst[i] = 0xa
 	}
-	return len(dAtA) - i, nil
+	return len(dst) - i, nil
 }
 
-func (m *Label) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
+func (m *Label) MarshalToSizedBuffer(dst []byte) (int, error) {
+	i := len(dst)
 	if len(m.Value) > 0 {
 		i -= len(m.Value)
-		copy(dAtA[i:], m.Value)
-		i = encodeVarint(dAtA, i, uint64(len(m.Value)))
+		copy(dst[i:], m.Value)
+		i = encodeVarint(dst, i, uint64(len(m.Value)))
 		i--
-		dAtA[i] = 0x12
+		dst[i] = 0x12
 	}
 	if len(m.Name) > 0 {
 		i -= len(m.Name)
-		copy(dAtA[i:], m.Name)
-		i = encodeVarint(dAtA, i, uint64(len(m.Name)))
+		copy(dst[i:], m.Name)
+		i = encodeVarint(dst, i, uint64(len(m.Name)))
 		i--
-		dAtA[i] = 0xa
+		dst[i] = 0xa
 	}
-	return len(dAtA) - i, nil
+	return len(dst) - i, nil
 }
 
 func (m *Sample) Size() (n int) {
 	if m == nil {
 		return 0
 	}
-	var l int
-	_ = l
 	if m.Value != 0 {
 		n += 9
 	}
@@ -120,19 +101,13 @@ func (m *TimeSeries) Size() (n int) {
 	if m == nil {
 		return 0
 	}
-	var l int
-	_ = l
-	if len(m.Labels) > 0 {
-		for _, e := range m.Labels {
-			l = e.Size()
-			n += 1 + l + sov(uint64(l))
-		}
+	for _, e := range m.Labels {
+		l := e.Size()
+		n += 1 + l + sov(uint64(l))
 	}
-	if len(m.Samples) > 0 {
-		for _, e := range m.Samples {
-			l = e.Size()
-			n += 1 + l + sov(uint64(l))
-		}
+	for _, e := range m.Samples {
+		l := e.Size()
+		n += 1 + l + sov(uint64(l))
 	}
 	return n
 }
@@ -141,14 +116,10 @@ func (m *Label) Size() (n int) {
 	if m == nil {
 		return 0
 	}
-	var l int
-	_ = l
-	l = len(m.Name)
-	if l > 0 {
+	if l := len(m.Name); l > 0 {
 		n += 1 + l + sov(uint64(l))
 	}
-	l = len(m.Value)
-	if l > 0 {
+	if l := len(m.Value); l > 0 {
 		n += 1 + l + sov(uint64(l))
 	}
 	return n