diff --git a/pyproject.toml b/pyproject.toml
index 2d0e4cc8bc..8b066c125e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -278,7 +278,6 @@ ignore = [
     "E501",  # line too long, handled by black
     "B008",  # do not perform function calls in argument defaults
     "C901",  # too complex
-    "W191",  # indentation contains tabs
 ]
 
 [tool.ruff.lint.per-file-ignores]