diff --git a/oneflow/core/graph/boxing/collective_boxing.proto b/oneflow/core/graph/boxing/collective_boxing.proto
index c024eb733a2..0f3d01d525c 100644
--- a/oneflow/core/graph/boxing/collective_boxing.proto
+++ b/oneflow/core/graph/boxing/collective_boxing.proto
@@ -15,11 +15,6 @@ enum OpType {
     kOpTypeAll2All = 6;
 }
 
-enum CclCommType{
-    kCommTypeCudaNccl = 0;
-    kCommTypeAscendHccl = 1;
-}
-
 enum ReduceMethod {
     kReduceMethodInvalid = 0;
     kReduceMethodSum = 1;
diff --git a/oneflow/user/kernels/collective_communication/cuda/cuda_all_to_all.cpp b/oneflow/user/kernels/collective_communication/cuda/cuda_all_to_all.cpp
index 1dd71fb4c98..9f9c3e31ef1 100644
--- a/oneflow/user/kernels/collective_communication/cuda/cuda_all_to_all.cpp
+++ b/oneflow/user/kernels/collective_communication/cuda/cuda_all_to_all.cpp
@@ -14,8 +14,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 #ifdef WITH_CUDA
-#include "oneflow/user/kernels/collective_communication/include/send.h"
-#include "oneflow/user/kernels/collective_communication/include/recv.h"
 #include "oneflow/user/kernels/collective_communication/include/all_to_all.h"
 #include "oneflow/user/kernels/collective_communication/cuda/cuda_communication_context.h"
 #include "oneflow/core/device/nccl_util.h"