diff --git a/pyproject.toml b/pyproject.toml
index dc2a610..0c45947 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,6 @@ target-version = "py312"
 # McCabe complexity (`C901`) by default.
 select = ["ALL"]
 ignore = [
-    "ANN101",
     "B008",   # I build SlashOptions as arguments.
     "COM812",
     "COM819",