diff --git a/pkg/acl/eacl/enums.go b/pkg/acl/eacl/enums.go
index f626202..f861d66 100644
--- a/pkg/acl/eacl/enums.go
+++ b/pkg/acl/eacl/enums.go
@@ -59,32 +59,6 @@ const (
 	HeaderFromObject
 )
 
-const (
-	// ReservedHeaderNamePrefix used in filter names to specify well known
-	// headers such as container id, object id, owner id, etc.
-	// All names without this prefix used to lookup through user defined headers
-	// in object or x-headers in request.
-	ReservedHeaderNamePrefix = "_"
-
-	// HdrObjSysNameID is a name of ID field in system header of object.
-	HdrObjSysNameID = ReservedHeaderNamePrefix + "ID"
-
-	// HdrObjSysNameCID is a name of cid field in system header of object.
-	HdrObjSysNameCID = ReservedHeaderNamePrefix + "CID"
-
-	// HdrObjSysNameOwnerID is a name of OwnerID field in system header of object.
-	HdrObjSysNameOwnerID = ReservedHeaderNamePrefix + "OWNER_ID"
-
-	// HdrObjSysNameVersion is a name of version field in system header of object.
-	HdrObjSysNameVersion = ReservedHeaderNamePrefix + "VERSION"
-
-	// HdrObjSysNamePayloadLength is a name of PayloadLength field in system header of object.
-	HdrObjSysNamePayloadLength = ReservedHeaderNamePrefix + "PAYLOAD_LENGTH"
-
-	// HdrObjSysNameCreatedEpoch is a name of CreatedAt.Epoch field in system header of object.
-	HdrObjSysNameCreatedEpoch = ReservedHeaderNamePrefix + "CREATED_EPOCH"
-)
-
 func (a Action) ToV2() v2acl.Action {
 	switch a {
 	case ActionAllow:
diff --git a/pkg/acl/eacl/filter_test.go b/pkg/acl/eacl/filter_test.go
index 57dcb1d..17806c2 100644
--- a/pkg/acl/eacl/filter_test.go
+++ b/pkg/acl/eacl/filter_test.go
@@ -3,6 +3,7 @@ package eacl
 import (
 	"testing"
 
+	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
 	"github.com/stretchr/testify/require"
 )
@@ -10,7 +11,7 @@ import (
 func TestFilter(t *testing.T) {
 	filter := &Filter{
 		from:    HeaderFromObject,
-		name:    HdrObjSysNamePayloadLength,
+		name:    object.HdrSysNamePayloadLength,
 		matcher: MatchStringEqual,
 		value:   "200",
 	}
diff --git a/pkg/acl/eacl/record_test.go b/pkg/acl/eacl/record_test.go
index f9b8ffb..1ed7263 100644
--- a/pkg/acl/eacl/record_test.go
+++ b/pkg/acl/eacl/record_test.go
@@ -4,6 +4,7 @@ import (
 	"crypto/ecdsa"
 	"testing"
 
+	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	v2acl "github.com/nspcc-dev/neofs-api-go/v2/acl"
 	"github.com/nspcc-dev/neofs-crypto/test"
 	"github.com/stretchr/testify/require"
@@ -62,7 +63,7 @@ func TestRecord_AddFilter(t *testing.T) {
 	filters := []Filter{
 		{
 			from:    HeaderFromObject,
-			name:    HdrObjSysNameCID,
+			name:    object.HdrSysNameCID,
 			matcher: MatchStringEqual,
 			value:   "ContainerID",
 		},
diff --git a/pkg/object/wellknown_headers.go b/pkg/object/wellknown_headers.go
new file mode 100644
index 0000000..02e2e78
--- /dev/null
+++ b/pkg/object/wellknown_headers.go
@@ -0,0 +1,31 @@
+package object
+
+// This file contains well-known header names for eACL filters and search
+// request filters. Both of them encode header type as string. There are
+// constant strings for well-known object headers.
+
+const (
+	// ReservedHeaderNamePrefix used in filter names to specify well known
+	// headers such as container id, object id, owner id, etc.
+	// All names without this prefix used to lookup through user defined headers
+	// in object or x-headers in request.
+	ReservedHeaderNamePrefix = "_"
+
+	// HdrSysNameID is a name of ID field in system header of object.
+	HdrSysNameID = ReservedHeaderNamePrefix + "ID"
+
+	// HdrSysNameCID is a name of cid field in system header of object.
+	HdrSysNameCID = ReservedHeaderNamePrefix + "CID"
+
+	// HdrSysNameOwnerID is a name of OwnerID field in system header of object.
+	HdrSysNameOwnerID = ReservedHeaderNamePrefix + "OWNER_ID"
+
+	// HdrSysNameVersion is a name of version field in system header of object.
+	HdrSysNameVersion = ReservedHeaderNamePrefix + "VERSION"
+
+	// HdrSysNamePayloadLength is a name of PayloadLength field in system header of object.
+	HdrSysNamePayloadLength = ReservedHeaderNamePrefix + "PAYLOAD_LENGTH"
+
+	// HdrSysNameCreatedEpoch is a name of CreatedAt.Epoch field in system header of object.
+	HdrSysNameCreatedEpoch = ReservedHeaderNamePrefix + "CREATED_EPOCH"
+)