diff --git a/x2paddle/optimizer/linear_pass.py b/x2paddle/optimizer/linear_pass.py
index e0267f92b86128685d84f33ce2d4f8500da69ac3..e7a4a76a207ec76c3361381e4ff7c70c1fd238c9 100644
--- a/x2paddle/optimizer/linear_pass.py
+++ b/x2paddle/optimizer/linear_pass.py
@@ -20,7 +20,6 @@ from x2paddle.optimizer.passes import Pass, Matcher, PyTorchMatcher
 
 class LinearPass(Pass):
     def __init__(self):
-        self.linear_index = 0
         super(LinearPass, self).__init__()
 
     def build_pattern(self):
diff --git a/x2paddle/optimizer/passes.py b/x2paddle/optimizer/passes.py
index 8b80d8a09f36f56aa3bcecf45f036c47029b879d..9f10a7ed8aa987ae3ec283320ee40d8cd9fd24a6 100644
--- a/x2paddle/optimizer/passes.py
+++ b/x2paddle/optimizer/passes.py
@@ -23,7 +23,7 @@ class Pass(object):
 
 class Matcher(object):
     def __init__(self):
-        self.unique_id_layer = dict()
+        pass
 
 
 class PyTorchMatcher(Matcher):