diff --git a/python/paddle/fluid/dygraph/dygraph_to_static/ast_transformer.py b/python/paddle/fluid/dygraph/dygraph_to_static/ast_transformer.py
index 37e9f6434d1ba16308352be78986d61b9b62e3d5..cba2c6077aae654a413e28312365e8a550499b39 100644
--- a/python/paddle/fluid/dygraph/dygraph_to_static/ast_transformer.py
+++ b/python/paddle/fluid/dygraph/dygraph_to_static/ast_transformer.py
@@ -142,15 +142,6 @@ class BasicApiTransformer(gast.NodeTransformer):
         self.visit(self.root)
         return self.wrapper_root
 
-    def visit_FunctionDef(self, node):
-        self.generic_visit(node)
-        if hasattr(node, 'decorator_list'):
-            decorator_list = [
-                d for d in node.decorator_list if d.id not in DECORATOR_NAMES
-            ]
-            node.decorator_list = decorator_list
-        return node
-
     def visit_Assign(self, node):
         if self._update_class_node_dict(node):
             return None