diff --git a/src/train/model.py b/src/train/model.py
index 20e56b3..cab82e5 100644
--- a/src/train/model.py
+++ b/src/train/model.py
@@ -3,9 +3,7 @@

 import torch
 import torch.nn as nn
-import torch
-from torch.autograd import Variable
-import copy
+
 class Seq2Seq(nn.Module):
     """
         Build Seqence-to-Sequence.