diff --git a/ruff.toml b/ruff.toml
index 018f34f..7359779 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -38,7 +38,6 @@ select = [
   "NPY",  # NumPy-specific
   "PERF", # Perflint
   "PGH",  # pygrep-hooks
-  "PGH",  # pygrep-hooks
   "PIE",  # flake8-pie
   "PL",   # pylint
   "PT",   # flake8-pytest-style