diff --git a/.ruff.toml b/.ruff.toml
index f0b61926a..99a061a5c 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -79,7 +79,7 @@ ignore = [
     "PLR6301", # Allow class methods that don't use 'self' (otherwise noisy)
     "RUF022",  # Allow unsorted __all__ (sometimes useful for grouping by type with pdoc)
     "S",       # flake8-bandit (noisy, security related)
-    "SIM910",  # Allow "None" as second argument to Dict.get(). "Explicit is better than implicit."
+    # "SIM910",  # Allow "None" as second argument to Dict.get() (now enforced)
     "TC006",   # Require quoted type names in cast() calls
     "TD002",   # Require author for TODOs
     "ASYNC1",  # flake8-trio (opinionated, noisy)