diff --git a/pandera/backends/pyspark/container.py b/pandera/backends/pyspark/container.py
index c4249cbcb..96742682b 100644
--- a/pandera/backends/pyspark/container.py
+++ b/pandera/backends/pyspark/container.py
@@ -532,10 +532,7 @@ def _check_uniqueness(
         :param schema: schema object.
         :returns: dataframe checked.
         """
-        # Use unique definition of columns as first option
-        # unique_columns = [col.unique for col in schema.columns.values()]
-
-        # Overwrite it, if schemas's Config class has a unique declaration
+        # Determine unique columns based on schema's config
         unique_columns = (
             [schema.unique]
             if isinstance(schema.unique, str)
diff --git a/pandera/backends/pyspark/decorators.py b/pandera/backends/pyspark/decorators.py
index aa93e5dbd..9c202b4be 100644
--- a/pandera/backends/pyspark/decorators.py
+++ b/pandera/backends/pyspark/decorators.py
@@ -88,10 +88,6 @@ def _get_check_obj():
                 Returns:
                     The DataFrame object.
                 """
-                if kwargs:
-                    for value in kwargs.values():
-                        if isinstance(value, pyspark.sql.DataFrame):
-                            return value
                 if args:
                     for value in args:
                         if isinstance(value, pyspark.sql.DataFrame):
@@ -109,7 +105,7 @@ def _get_check_obj():
                         stacklevel=2,
                     )
                     # If the function was skip, return the `check_obj` value anyway,
-                    # if it's present as a kwarg or an arg
+                    # given that some return value is expected
                     return _get_check_obj()
 
             elif scope == ValidationScope.DATA:
@@ -124,7 +120,7 @@ def _get_check_obj():
                         stacklevel=2,
                     )
                     # If the function was skip, return the `check_obj` value anyway,
-                    # if it's present as a kwarg or an arg
+                    # given that some return value is expected
                     return _get_check_obj()
 
         return wrapper