diff --git a/test/sanity/pep8/legacy-ignore.txt b/test/sanity/pep8/legacy-ignore.txt
index 3434f147de..e69de29bb2 100644
--- a/test/sanity/pep8/legacy-ignore.txt
+++ b/test/sanity/pep8/legacy-ignore.txt
@@ -1 +0,0 @@
-E501