diff --git a/model/atmosphere/diffusion/tests/diffusion/stencil_tests/test_apply_diffusion_to_theta_and_exner.py b/model/atmosphere/diffusion/tests/diffusion/stencil_tests/test_apply_diffusion_to_theta_and_exner.py
index 29d880a8f7..26f390014e 100644
--- a/model/atmosphere/diffusion/tests/diffusion/stencil_tests/test_apply_diffusion_to_theta_and_exner.py
+++ b/model/atmosphere/diffusion/tests/diffusion/stencil_tests/test_apply_diffusion_to_theta_and_exner.py
@@ -77,9 +77,6 @@ def reference(
 
     @pytest.fixture
     def input_data(self, grid: base.Grid):
-        pytest.xfail(
-            "stencil segfaults with GTFN and it is not used in diffusion: it is missing an if condition"
-        )
         kh_smag_e = random_field(grid, dims.EdgeDim, dims.KDim)
         inv_dual_edge_length = random_field(grid, dims.EdgeDim)
         theta_v_in = random_field(grid, dims.CellDim, dims.KDim)