diff --git a/backends/arm/test/models/test_conformer.py b/backends/arm/test/models/test_conformer.py
index 5b9a50f08e8..40540a5b75a 100644
--- a/backends/arm/test/models/test_conformer.py
+++ b/backends/arm/test/models/test_conformer.py
@@ -63,6 +63,7 @@ def test_conformer_tosa_MI(self):
             )
         )
 
+    @unittest.expectedFailure  # TODO(MLETORCH-635)
     def test_conformer_tosa_BI(self):
         (
             ArmTester(
@@ -110,6 +111,7 @@ def test_conformer_u55_BI(self):
             except Exception:
                 pass
 
+    @unittest.expectedFailure  # TODO(MLETORCH-635)
     def test_conformer_u85_BI(self):
         tester = (
             ArmTester(