diff --git a/go.mod b/go.mod
index 49151e1..6ea4d69 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module github.com/nspcc-dev/neofs-api-go
 go 1.14
 
 require (
-	github.com/alecthomas/participle v0.6.0
 	github.com/golang/protobuf v1.4.3
 	github.com/google/uuid v1.1.1
 	github.com/mr-tron/base58 v1.1.2
diff --git a/go.sum b/go.sum
index 612803a..163f26c 100644
--- a/go.sum
+++ b/go.sum
@@ -11,9 +11,6 @@ github.com/Workiva/go-datastructures v1.0.50/go.mod h1:Z+F2Rca0qCsVYDS8z7bAGm8f3
 github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzgHf/aS6+zVXRj14cVk9qg=
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/alecthomas/participle v0.6.0 h1:Pvo8XUCQKgIywVjz/+Ci3IsjGg+g/TdKkMcfgghKCEw=
-github.com/alecthomas/participle v0.6.0/go.mod h1:HfdmEuwvr12HXQN44HPWXR0lHmVolVYe4dyL6lQ3duY=
-github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
diff --git a/util/proto/test/test.pb.go b/util/proto/test/test.pb.go
index 91c3f8b..f581442 100644
--- a/util/proto/test/test.pb.go
+++ b/util/proto/test/test.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: util/proto/test/test.proto
 
 package test
diff --git a/v2/accounting/grpc/service.pb.go b/v2/accounting/grpc/service.pb.go
index 2ef4b19..2f29d12 100644
--- a/v2/accounting/grpc/service.pb.go
+++ b/v2/accounting/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/accounting/grpc/service.proto
 
 package accounting
diff --git a/v2/accounting/grpc/types.pb.go b/v2/accounting/grpc/types.pb.go
index 13c3bf9..dd62f96 100644
--- a/v2/accounting/grpc/types.pb.go
+++ b/v2/accounting/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/accounting/grpc/types.proto
 
 package accounting
diff --git a/v2/acl/grpc/types.pb.go b/v2/acl/grpc/types.pb.go
index 2e9656b..e1805a3 100644
--- a/v2/acl/grpc/types.pb.go
+++ b/v2/acl/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/acl/grpc/types.proto
 
 package acl
@@ -539,6 +539,8 @@ func (x *BearerToken) GetSignature() *grpc.Signature {
 //
 // * $Object:version \
 //   version
+// * $Object:objectID \
+//   object_id
 // * $Object:containerID \
 //   container_id
 // * $Object:ownerID \
diff --git a/v2/container/grpc/service.pb.go b/v2/container/grpc/service.pb.go
index 6edd4ce..68d8392 100644
--- a/v2/container/grpc/service.pb.go
+++ b/v2/container/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/container/grpc/service.proto
 
 package container
diff --git a/v2/container/grpc/types.pb.go b/v2/container/grpc/types.pb.go
index 5103e7d..f5232e5 100644
--- a/v2/container/grpc/types.pb.go
+++ b/v2/container/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/container/grpc/types.proto
 
 package container
diff --git a/v2/netmap/grpc/service.pb.go b/v2/netmap/grpc/service.pb.go
index b30be26..721f282 100644
--- a/v2/netmap/grpc/service.pb.go
+++ b/v2/netmap/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/netmap/grpc/service.proto
 
 package netmap
diff --git a/v2/netmap/grpc/types.pb.go b/v2/netmap/grpc/types.pb.go
index 9bc0e1d..b7347eb 100644
--- a/v2/netmap/grpc/types.pb.go
+++ b/v2/netmap/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/netmap/grpc/types.proto
 
 package netmap
diff --git a/v2/object/grpc/service.pb.go b/v2/object/grpc/service.pb.go
index 3a49b0d..e35c1d0 100644
--- a/v2/object/grpc/service.pb.go
+++ b/v2/object/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/object/grpc/service.proto
 
 package object
@@ -1875,6 +1875,8 @@ func (x *SearchRequest_Body) GetFilters() []*SearchRequest_Body_Filter {
 //
 // * $Object:version \
 //   version
+// * $Object:objectID                       \
+//   object_id
 // * $Object:containerID \
 //   container_id
 // * $Object:ownerID \
@@ -1896,11 +1898,17 @@ func (x *SearchRequest_Body) GetFilters() []*SearchRequest_Body_Filter {
 // properties:
 //
 // * $Object:ROOT \
-//   With the `value` set to `true` checks if an object is a top object in a
-//   split hierarchy. With other values returns non-root objects.
-// * $Object:LEAF \
-//   With the `value` set to `true` checks if an object is a leaf in a split
-//   hierarchy. With other values returns non-leaf objects.
+//   Returns only `REGULAR` type objects that are not split or are the top
+//   level root objects in a split hierarchy. This includes objects not
+//   present physically, like large objects split into smaller objects
+//   without separate top-level root object. Other type objects like
+//   StorageGroups and Tombstones will not be shown. This filter may be
+//   useful for listing objects like `ls` command of some virtual file
+//   system. This filter is activated if the `key` exists, disregarding the
+//   value and matcher type.
+// * $Object:PHY \
+//   Returns only objects physically stored in the system. This filter is
+//   activated if the `key` exists, disregarding the value and matcher type.
 // * $Object:CHILDFREE \
 //   With the `value` set to `true` checks if an object has empty
 //   children list in `Split` header. With other values returns
diff --git a/v2/object/grpc/types.pb.go b/v2/object/grpc/types.pb.go
index fd62c34..0498da0 100644
--- a/v2/object/grpc/types.pb.go
+++ b/v2/object/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/object/grpc/types.proto
 
 package object
@@ -27,7 +27,9 @@ const (
 // of the legacy proto package is being used.
 const _ = proto.ProtoPackageIsVersion4
 
-// Type of the object payload content.
+// Type of the object payload content. Only `REGULAR` type objects can be split,
+// hence `TOMBSTONE` and `STORAGEGROUP` payload is limited by maximal object
+// size.
 type ObjectType int32
 
 const (
diff --git a/v2/refs/grpc/types.pb.go b/v2/refs/grpc/types.pb.go
index 2d4be15..c9994bd 100644
--- a/v2/refs/grpc/types.pb.go
+++ b/v2/refs/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/refs/grpc/types.proto
 
 package refs
diff --git a/v2/session/grpc/service.pb.go b/v2/session/grpc/service.pb.go
index 19f9e62..712500e 100644
--- a/v2/session/grpc/service.pb.go
+++ b/v2/session/grpc/service.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/session/grpc/service.proto
 
 package session
diff --git a/v2/session/grpc/types.pb.go b/v2/session/grpc/types.pb.go
index ac38c54..7140ceb 100644
--- a/v2/session/grpc/types.pb.go
+++ b/v2/session/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/session/grpc/types.proto
 
 package session
diff --git a/v2/storagegroup/grpc/types.pb.go b/v2/storagegroup/grpc/types.pb.go
index 5b00a18..96e9d87 100644
--- a/v2/storagegroup/grpc/types.pb.go
+++ b/v2/storagegroup/grpc/types.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0
-// 	protoc        v3.11.4
+// 	protoc        v3.13.0
 // source: v2/storagegroup/grpc/types.proto
 
 package storagegroup