diff --git a/test/operators/test_kronecker_product_linear_operator.py b/test/operators/test_kronecker_product_linear_operator.py
index 8c03ea04..ea22cd2d 100644
--- a/test/operators/test_kronecker_product_linear_operator.py
+++ b/test/operators/test_kronecker_product_linear_operator.py
@@ -44,10 +44,6 @@ def evaluate_linear_op(self, linear_op):
         return res
 
 
-# class TestKroneckerProductDiagLinearOperator(TestDiagLinearOperator):
-# See test_diag_linear_operator for this test.
-
-
 class TestKroneckerProductLinearOperatorBatch(TestKroneckerProductLinearOperator):
     seed = 0
     should_call_lanczos = True