diff --git a/accounting/grpc/service_frostfs.pb.go b/accounting/grpc/service_frostfs.pb.go
index e44d7d4..b70fd27 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 e542a19..931f3b3 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 380ba30..c1d28ed 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 7590435..514f03b 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 3e0d882..dcb9cf4 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 3012111..52a1a2d 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 1ce80ff..3d62855 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 3bab079..6ecf0fa 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 ce8336a..0bd0111 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 492ee48..04a3e29 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 881a06f..35febe9 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 46fef6a..1e5eb63 100644
--- a/rpc/message/test/message.go
+++ b/rpc/message/test/message.go
@@ -126,7 +126,6 @@ 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 cfec4d6..aa42ee8 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 af95210..4f8bf81 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 a12ab55..5012491 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 b0924c0..8c2e83c 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 b1d2cf2..a39bba7 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 8e5e967..8894cde 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