diff --git a/.flake8 b/.flake8
index 474181f8b89..8ddde84c97a 100644
--- a/.flake8
+++ b/.flake8
@@ -22,7 +22,6 @@ ignore =
     SIM300,
     SIM401,
     SIM904,
-    SIM905,
     SIM907,
 exclude =
     .git,
@@ -37,3 +36,4 @@ application-import-names = sphinx
 import-order-style = smarkets
 per-file-ignores =
     tests/*: E501
+    sphinx/util/jsdump.py: SIM905