@ -54,7 +54,6 @@ class OpRegistry {
const std::string& grad_op_type) {
OperatorRegistrar<OpType, ProtoMakerType> reg(op_type.c_str());
reg.info.grad_op_type_ = grad_op_type;
// register gradient op
if (!grad_op_type.empty()) {
OperatorRegistrar<GradOpType> grad_reg(grad_op_type.c_str());