diff --git a/contrib/check-code.py b/contrib/check-code.py
--- a/contrib/check-code.py
+++ b/contrib/check-code.py
@@ -215,7 +215,6 @@
             "use regex test output patterns instead of sed",
         ),
         (uprefix + r'(true|exit 0)', "explicit zero exit unnecessary"),
-        (uprefix + r'.*(?<!\[)\$\?', "explicit exit code checks unnecessary"),
         (
             uprefix + r'.*\|\| echo.*(fail|error)',
             "explicit exit code checks unnecessary",