diff --git a/accounting/grpc/service_frostfs.pb.go b/accounting/grpc/service_frostfs.pb.go
index e44d7d49..b70fd275 100644
Binary files a/accounting/grpc/service_frostfs.pb.go and b/accounting/grpc/service_frostfs.pb.go differ
diff --git a/acl/grpc/types_frostfs.pb.go b/acl/grpc/types_frostfs.pb.go
index e542a193..931f3b3e 100644
Binary files a/acl/grpc/types_frostfs.pb.go and b/acl/grpc/types_frostfs.pb.go differ
diff --git a/apemanager/grpc/service_frostfs.pb.go b/apemanager/grpc/service_frostfs.pb.go
index 380ba305..c1d28ed8 100644
Binary files a/apemanager/grpc/service_frostfs.pb.go and b/apemanager/grpc/service_frostfs.pb.go differ
diff --git a/container/grpc/service_frostfs.pb.go b/container/grpc/service_frostfs.pb.go
index 75904353..514f03b9 100644
Binary files a/container/grpc/service_frostfs.pb.go and b/container/grpc/service_frostfs.pb.go differ
diff --git a/container/grpc/types_frostfs.pb.go b/container/grpc/types_frostfs.pb.go
index 3e0d8827..dcb9cf42 100644
Binary files a/container/grpc/types_frostfs.pb.go and b/container/grpc/types_frostfs.pb.go differ
diff --git a/lock/grpc/types_frostfs.pb.go b/lock/grpc/types_frostfs.pb.go
index 30121113..52a1a2dc 100644
Binary files a/lock/grpc/types_frostfs.pb.go and b/lock/grpc/types_frostfs.pb.go differ
diff --git a/netmap/grpc/service_frostfs.pb.go b/netmap/grpc/service_frostfs.pb.go
index 1ce80ff9..3d628558 100644
Binary files a/netmap/grpc/service_frostfs.pb.go and b/netmap/grpc/service_frostfs.pb.go differ
diff --git a/netmap/grpc/types_frostfs.pb.go b/netmap/grpc/types_frostfs.pb.go
index 3bab0790..6ecf0fac 100644
Binary files a/netmap/grpc/types_frostfs.pb.go and b/netmap/grpc/types_frostfs.pb.go differ
diff --git a/object/grpc/service_frostfs.pb.go b/object/grpc/service_frostfs.pb.go
index ce8336a1..0bd0111c 100644
Binary files a/object/grpc/service_frostfs.pb.go and b/object/grpc/service_frostfs.pb.go differ
diff --git a/object/grpc/types_frostfs.pb.go b/object/grpc/types_frostfs.pb.go
index 492ee48f..04a3e294 100644
Binary files a/object/grpc/types_frostfs.pb.go and b/object/grpc/types_frostfs.pb.go differ
diff --git a/refs/grpc/types_frostfs.pb.go b/refs/grpc/types_frostfs.pb.go
index 881a06f0..35febe91 100644
Binary files a/refs/grpc/types_frostfs.pb.go and b/refs/grpc/types_frostfs.pb.go differ
diff --git a/rpc/message/test/message.go b/rpc/message/test/message.go
index 1f7097e3..0849b20a 100644
--- a/rpc/message/test/message.go
+++ b/rpc/message/test/message.go
@@ -111,7 +111,6 @@ func testCompatibility(t *testing.T, msgGen func(empty bool) message.Message) {
 		}
 	}
 	t.Run("empty", func(t *testing.T) {
-		t.Skip()
 		msg := msgGen(true)
 		t.Run(fmt.Sprintf("Binary_%T", msg), func(t *testing.T) {
 			compareBinary(t, msg)
diff --git a/session/grpc/service_frostfs.pb.go b/session/grpc/service_frostfs.pb.go
index cfec4d69..aa42ee8f 100644
Binary files a/session/grpc/service_frostfs.pb.go and b/session/grpc/service_frostfs.pb.go differ
diff --git a/session/grpc/types_frostfs.pb.go b/session/grpc/types_frostfs.pb.go
index af952105..4f8bf817 100644
Binary files a/session/grpc/types_frostfs.pb.go and b/session/grpc/types_frostfs.pb.go differ
diff --git a/status/grpc/types_frostfs.pb.go b/status/grpc/types_frostfs.pb.go
index a12ab55d..5012491a 100644
Binary files a/status/grpc/types_frostfs.pb.go and b/status/grpc/types_frostfs.pb.go differ
diff --git a/tombstone/grpc/types_frostfs.pb.go b/tombstone/grpc/types_frostfs.pb.go
index b0924c03..8c2e83c3 100644
Binary files a/tombstone/grpc/types_frostfs.pb.go and b/tombstone/grpc/types_frostfs.pb.go differ
diff --git a/util/proto/test/custom/test_frostfs.pb.go b/util/proto/test/custom/test_frostfs.pb.go
index b1d2cf27..a39bba7b 100644
Binary files a/util/proto/test/custom/test_frostfs.pb.go and b/util/proto/test/custom/test_frostfs.pb.go differ
diff --git a/util/protogen/internalgengo/proto.go b/util/protogen/internalgengo/proto.go
index 8e5e967a..8894cde4 100644
--- a/util/protogen/internalgengo/proto.go
+++ b/util/protogen/internalgengo/proto.go
@@ -174,7 +174,7 @@ func emitMarshalRaw(g *protogen.GeneratedFile, f *protogen.Field, name string) {
 			name += "[i]"
 		}
 
-		g.P("if ", notNil(name), " && ", name, ".StableSize() != 0 {")
+		g.P("if ", notNil(name), " {")
 		g.P(name, ".EmitProtobuf(mm.AppendMessage(", f.Desc.Number(), "))")
 		g.P("}")
 		return