diff --git a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
index 064a26bac5160bf9aab6ed42a1b74eacf9c352c7..d7b4fb26f13b276164a51aa04794b1ef9d59c551 100644
--- a/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/onnx2paddle/opset9/opset.py
@@ -243,64 +243,9 @@ class OpSet9():
 
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
-        val_y_shape = val_y.out_shapes[0]
-        val_x_shape = val_x.out_shapes[0]
-        inputs = {}
-        if len(val_x_shape) < len(val_y_shape):
-            if node.layer_type in ['Mul', 'Add']:
-                val_x, val_y = val_y, val_x
-                val_y_shape, val_x_shape = val_x_shape, val_y_shape
-                inputs = {'x': val_x, 'y': val_y}
-            elif node.layer_type in ['Sub', 'Div', 'Pow']:
-                val_x_expand = val_x.layer_name + '_expand'
-                x_value = _const_weight_or_none(val_x)
-                if (val_x_shape == [1] or len(val_x_shape) == 0) and x_value:
-                    attr = {
-                        'shape': val_y_shape,
-                        'dtype': string(val_x.dtype),
-                        'value': x_value
-                        if len(val_x_shape) == 0 else x_value[0]
-                    }
-                    node.fluid_code.add_layer(
-                        'fill_constant',
-                        inputs=None,
-                        output=val_x_expand,
-                        param_attr=attr)
-                    val_x_shape = val_y_shape
-                    inputs = {'x': val_x_expand, 'y': val_y}
-                else:
-                    assert 'Unsupported situation happened.'
-        else:
-            inputs = {'x': val_x, 'y': val_y}
-        print(node.layer_name)
-        print(val_x_shape, val_y_shape)
-        str_y_shape = ','.join(str(e) for e in val_y_shape)
-        str_x_shape = ','.join(str(e) for e in val_x_shape)
-        slice_idx = 0
-        if str_y_shape not in str_x_shape:
-            for dim in val_y_shape:
-                if dim == 1:
-                    slice_idx += 1
-                else:
-                    break
-        if slice_idx < len(val_y_shape) and slice_idx > 0:
-            val_y_reshaped = val_y_shape[slice_idx:]
-            var_y_reshaped = val_y.layer_name + '_reshaped'
-            attr_reshaped = {
-                'shape': val_y_reshaped,
-                'name': string(var_y_reshaped)
-            }
-            node.fluid_code.add_layer(
-                'reshape',
-                inputs=val_y,
-                output=var_y_reshaped,
-                param_attr=attr_reshaped)
-            inputs['y'] = var_y_reshaped
-            node.fluid_code.add_layer(
-                op_type, inputs=inputs, output=node, param_attr=None)
-        else:
-            node.fluid_code.add_layer(
-                op_type, inputs=inputs, output=node, param_attr=None)
+        inputs = {'x': val_x, 'y': val_y}
+        node.fluid_code.add_layer(
+            op_type, inputs=inputs, output=node, param_attr=None)
 
     @print_mapping_info
     def place_holder(self, node):