diff --git a/py-polars/polars/expr/expr.py b/py-polars/polars/expr/expr.py
index d5d40217f72d..514c9205398b 100644
--- a/py-polars/polars/expr/expr.py
+++ b/py-polars/polars/expr/expr.py
@@ -4195,7 +4195,6 @@ def filter(
 
         Filter expressions can also take constraints as keyword arguments.
 
-        >>> import polars.selectors as cs
         >>> df = pl.DataFrame(
         ...     {
         ...         "key": ["a", "a", "a", "a", "b", "b", "b", "b", "b"],