diff --git a/.flake8 b/.flake8
index 11dfbefafa478a67042c30d2d0bcf8fdfe73e9bd..f6a333e963abe37748641c5bc71908eb7d2f60e0 100644
--- a/.flake8
+++ b/.flake8
@@ -23,7 +23,7 @@ ignore =
 
     # W, see https://pycodestyle.pycqa.org/en/latest/intro.html#error-codes
     W503,W504
-    W601,W605
+    W605
 per-file-ignores =
     # These files need tabs for testing.
     python/paddle/fluid/tests/unittests/dygraph_to_static/test_error.py:E101,W191