diff --git a/lite/kernels/mlu/bridges/graph.h b/lite/kernels/mlu/bridges/graph.h
index b22af08baa3e3eb3be559afa753888cbdd42bbe7..f80b55c00fc3270097b7f299d6718e00a2bee78a 100644
--- a/lite/kernels/mlu/bridges/graph.h
+++ b/lite/kernels/mlu/bridges/graph.h
@@ -209,10 +209,6 @@ class Graph {
           nodes_[tensor_name]->mlu_tensor(), alloc_data, false));
     } else if (fp_type_ == CNML_DATA_FLOAT16) {
       void* data_fp16 = RegisterConstData<::paddle::lite::fluid::float16>(len);
-      //        for (size_t i = 0; i < len; ++i) {
-      //            static_cast<::paddle::lite::fluid::float16*>(data_fp16)[i]
-      //                = static_cast<::paddle::lite::fluid::float16>(data[i]);
-      //        }
       CNRT_CALL(
           cnrtCastDataType(const_cast<void*>(static_cast<const void*>(data)),
                            CNRT_FLOAT32,