diff --git a/x.py b/x.py
index 6338e61a1..1c651ce49 100755
--- a/x.py
+++ b/x.py
@@ -68,9 +68,6 @@ def check(args):
             "--",
             "--deny",
             "warnings",
-            # https://github.com/PyO3/pyo3/issues/2555
-            "--allow",
-            "clippy::borrow-deref-ref",
         )