diff --git a/go.mod b/go.mod
index 62fff1a..cfcdf6e 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module github.com/nspcc-dev/neofs-api-go
 go 1.16
 
 require (
-	github.com/golang/protobuf v1.5.2
 	github.com/google/uuid v1.1.2
 	github.com/mr-tron/base58 v1.1.2
 	github.com/nspcc-dev/hrw v1.0.9
diff --git a/util/proto/test/test.pb.go b/util/proto/test/test.pb.go
index b194e1f..7ce722a 100644
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diff --git a/v2/accounting/grpc/service.pb.go b/v2/accounting/grpc/service.pb.go
index cdfce8c..68485e4 100644
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diff --git a/v2/accounting/grpc/service_grpc.pb.go b/v2/accounting/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..b875b30
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diff --git a/v2/accounting/grpc/types.pb.go b/v2/accounting/grpc/types.pb.go
index d1a9428..2028639 100644
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diff --git a/v2/acl/grpc/types.pb.go b/v2/acl/grpc/types.pb.go
index 639bdf2..8121686 100644
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diff --git a/v2/audit/grpc/types.pb.go b/v2/audit/grpc/types.pb.go
index e50e91a..82cb4c9 100644
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diff --git a/v2/container/grpc/service.pb.go b/v2/container/grpc/service.pb.go
index e5b66c8..031ac63 100644
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diff --git a/v2/container/grpc/service_grpc.pb.go b/v2/container/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..1449f92
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diff --git a/v2/container/grpc/types.pb.go b/v2/container/grpc/types.pb.go
index 490a529..92975ee 100644
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diff --git a/v2/netmap/grpc/service.pb.go b/v2/netmap/grpc/service.pb.go
index 50a30d9..c39ec43 100644
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diff --git a/v2/netmap/grpc/service_grpc.pb.go b/v2/netmap/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..01252c8
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diff --git a/v2/netmap/grpc/types.pb.go b/v2/netmap/grpc/types.pb.go
index 3c640d0..60aa3ac 100644
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diff --git a/v2/object/grpc/service.pb.go b/v2/object/grpc/service.pb.go
index 4bcdb6d..9c61501 100644
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diff --git a/v2/object/grpc/service_grpc.pb.go b/v2/object/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..f07c5d1
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diff --git a/v2/object/grpc/types.pb.go b/v2/object/grpc/types.pb.go
index 1da2414..6efc6dc 100644
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diff --git a/v2/refs/grpc/types.pb.go b/v2/refs/grpc/types.pb.go
index 16b10f6..52b1a7e 100644
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diff --git a/v2/reputation/grpc/service.pb.go b/v2/reputation/grpc/service.pb.go
index 79234d6..1ef79f4 100644
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diff --git a/v2/reputation/grpc/service_grpc.pb.go b/v2/reputation/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..5b493a4
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diff --git a/v2/reputation/grpc/types.pb.go b/v2/reputation/grpc/types.pb.go
index d81fca4..009df3b 100644
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diff --git a/v2/session/grpc/service.pb.go b/v2/session/grpc/service.pb.go
index 89e1437..6851176 100644
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diff --git a/v2/session/grpc/service_grpc.pb.go b/v2/session/grpc/service_grpc.pb.go
new file mode 100644
index 0000000..d753c51
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diff --git a/v2/session/grpc/types.pb.go b/v2/session/grpc/types.pb.go
index eb4e103..f81b16c 100644
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diff --git a/v2/storagegroup/grpc/types.pb.go b/v2/storagegroup/grpc/types.pb.go
index 6f4c644..94f1e05 100644
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diff --git a/v2/tombstone/grpc/types.pb.go b/v2/tombstone/grpc/types.pb.go
index 75c0f6c..e6fc2d0 100644
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