diff --git a/model_zoo/official/cv/ssd/ascend310_infer/src/main.cc b/model_zoo/official/cv/ssd/ascend310_infer/src/main.cc
index 9cefa370c5e..967635de2f5 100644
--- a/model_zoo/official/cv/ssd/ascend310_infer/src/main.cc
+++ b/model_zoo/official/cv/ssd/ascend310_infer/src/main.cc
@@ -67,7 +67,6 @@ int main(int argc, char **argv) {
   auto context = std::make_shared<Context>();
   auto ascend310 = std::make_shared<mindspore::Ascend310DeviceInfo>();
   ascend310->SetDeviceID(FLAGS_device_id);
-  ascend310->SetPrecisionMode("allow_fp32_to_fp16");
   context->MutableDeviceInfo().push_back(ascend310);
   mindspore::Graph graph;
   Serialization::Load(FLAGS_mindir_path, ModelType::kMindIR, &graph);