diff --git a/core/crypto/attributes/proto/attributes.pb.go b/core/crypto/attributes/proto/attributes.pb.go
deleted file mode 100644
index 78492f8f2e8..00000000000
--- a/core/crypto/attributes/proto/attributes.pb.go
+++ /dev/null
@@ -1,85 +0,0 @@
-// Code generated by protoc-gen-go.
-// source: attributes.proto
-// DO NOT EDIT!
-
-/*
-Package proto is a generated protocol buffer package.
-
-It is generated from these files:
-	attributes.proto
-
-It has these top-level messages:
-	AttributesMetadataEntry
-	AttributesMetadata
-*/
-package proto
-
-import proto1 "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto1.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto1.ProtoPackageIsVersion2 // please upgrade the proto package
-
-// AttributesMetadataEntry is an entry within the metadata that store an attribute name with its respective key.
-type AttributesMetadataEntry struct {
-	AttributeName string `protobuf:"bytes,1,opt,name=AttributeName" json:"AttributeName,omitempty"`
-	AttributeKey  []byte `protobuf:"bytes,2,opt,name=AttributeKey,proto3" json:"AttributeKey,omitempty"`
-}
-
-func (m *AttributesMetadataEntry) Reset()                    { *m = AttributesMetadataEntry{} }
-func (m *AttributesMetadataEntry) String() string            { return proto1.CompactTextString(m) }
-func (*AttributesMetadataEntry) ProtoMessage()               {}
-func (*AttributesMetadataEntry) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
-
-// AttributesMetadata holds both the original metadata bytes and the metadata required to access attributes.
-type AttributesMetadata struct {
-	// Original metadata bytes
-	Metadata []byte `protobuf:"bytes,1,opt,name=Metadata,proto3" json:"Metadata,omitempty"`
-	// Entries for each attributes considered.
-	Entries []*AttributesMetadataEntry `protobuf:"bytes,2,rep,name=Entries" json:"Entries,omitempty"`
-}
-
-func (m *AttributesMetadata) Reset()                    { *m = AttributesMetadata{} }
-func (m *AttributesMetadata) String() string            { return proto1.CompactTextString(m) }
-func (*AttributesMetadata) ProtoMessage()               {}
-func (*AttributesMetadata) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
-
-func (m *AttributesMetadata) GetEntries() []*AttributesMetadataEntry {
-	if m != nil {
-		return m.Entries
-	}
-	return nil
-}
-
-func init() {
-	proto1.RegisterType((*AttributesMetadataEntry)(nil), "protos.AttributesMetadataEntry")
-	proto1.RegisterType((*AttributesMetadata)(nil), "protos.AttributesMetadata")
-}
-
-func init() { proto1.RegisterFile("attributes.proto", fileDescriptor0) }
-
-var fileDescriptor0 = []byte{
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-}