diff --git a/ktransformers/ktransformers_ext/cuda/binding.cpp b/ktransformers/ktransformers_ext/cuda/binding.cpp
index 75cfcdb..0b1994d 100644
--- a/ktransformers/ktransformers_ext/cuda/binding.cpp
+++ b/ktransformers/ktransformers_ext/cuda/binding.cpp
@@ -60,4 +60,5 @@ PYBIND11_MODULE(KTransformersOps, m) {
         py::arg("a"), py::arg("b_q_weight"), py::arg("b_scales"), py::arg("g_idx"),
         py::arg("perm"), py::arg("workspace"), py::arg("num_bits"), py::arg("size_m"),
         py::arg("size_n"), py::arg("size_k"), py::arg("is_k_full"));
+#endif
 }