diff --git a/qlib/contrib/model/pytorch_gru.py b/qlib/contrib/model/pytorch_gru.py
index 7b999d0a1..fb422f491 100755
--- a/qlib/contrib/model/pytorch_gru.py
+++ b/qlib/contrib/model/pytorch_gru.py
@@ -293,22 +293,6 @@ class GRU(Model):
                 preds = self.gru_model(x_test).detach().numpy()
         return pd.Series(preds, index=index)
 
-    def save(self, filename, **kwargs):
-        with save_multiple_parts_file(filename) as model_dir:
-            model_path = os.path.join(model_dir, os.path.split(model_dir)[-1])
-            # Save model
-            torch.save(self.gru_model.state_dict(), model_path)
-
-    def load(self, buffer, **kwargs):
-        with unpack_archive_with_buffer(buffer) as model_dir:
-            # Get model name
-            _model_name = os.path.splitext(list(filter(lambda x: x.startswith("model.bin"), os.listdir(model_dir)))[0])[
-                0
-            ]
-            _model_path = os.path.join(model_dir, _model_name)
-            # Load model
-            self.gru_model.load_state_dict(torch.load(_model_path))
-        self._fitted = True
 
 
 class AverageMeter(object):