diff --git a/tests/test_rtc_data_models.py b/tests/test_rtc_data_models.py
index db53903c..efedfd46 100644
--- a/tests/test_rtc_data_models.py
+++ b/tests/test_rtc_data_models.py
@@ -532,8 +532,6 @@ class CesionL1Test(CesionL0Test):
     Tests for :class:`CesionL1`.
     """
 
-    maxDiff = None  # FIXME
-
     def _set_obj_1(self) -> None:
         obj_dte_natural_key = DteNaturalKey(
             emisor_rut=Rut('76354771-K'),
@@ -686,8 +684,6 @@ class CesionL2Test(CesionL1Test):
     Tests for :class:`CesionL2`.
     """
 
-    maxDiff = None  # FIXME
-
     def _set_obj_1(self) -> None:
         obj_dte_natural_key = DteNaturalKey(
             emisor_rut=Rut('76354771-K'),