diff --git a/tests/fpgadataflow/test_fpgadataflow_convinputgenerator.py b/tests/fpgadataflow/test_fpgadataflow_convinputgenerator.py
index 86511554ea7411a556bf1af0718af5e30a99841d..b5fc85caf274edc9e7afc52df962862fa8a99ba3 100644
--- a/tests/fpgadataflow/test_fpgadataflow_convinputgenerator.py
+++ b/tests/fpgadataflow/test_fpgadataflow_convinputgenerator.py
@@ -127,7 +127,7 @@ def prepare_inputs(input_tensor):
 # input datatype
 @pytest.mark.parametrize("idt", [DataType.BIPOLAR, DataType.INT2])
 # kernel size
-@pytest.mark.parametrize("k", [2, 3, 4])
+@pytest.mark.parametrize("k", [2, 3])
 # input dimension
 @pytest.mark.parametrize("ifm_dim", [6, 8])
 # input channels