diff --git a/tests/py/dynamo/lowering/test_aten_lowering_passes.py b/tests/py/dynamo/lowering/test_aten_lowering_passes.py
index 2d7a4731f5..0dd9a8de1c 100644
--- a/tests/py/dynamo/lowering/test_aten_lowering_passes.py
+++ b/tests/py/dynamo/lowering/test_aten_lowering_passes.py
@@ -1,9 +1,11 @@
+import sys
 import unittest
 
 import torch
-import torch_tensorrt
 from torch.testing._internal.common_utils import TestCase, run_tests
 
+import torch_tensorrt
+
 from ..testing_utilities import DECIMALS_OF_AGREEMENT, lower_graph_testing
 
 
@@ -273,6 +275,10 @@ def forward(self, q, k, v):
     torch.cuda.get_device_properties(torch.cuda.current_device()).major < 8,
     "GPU compute capability is too low to run flash attention, need Ampere (8.0) or greater",
 )
+@unittest.skipIf(
+    sys.platform.startswith("win"),
+    "Test not supported on Windows",
+)
 class TestLowerFlashAttention(TestCase):
     def test_lower_flash_attention(self):
         class FlashAttention(torch.nn.Module):
diff --git a/tests/py/dynamo/runtime/test_hw_compat.py b/tests/py/dynamo/runtime/test_hw_compat.py
index fa87c9947c..6106c96512 100644
--- a/tests/py/dynamo/runtime/test_hw_compat.py
+++ b/tests/py/dynamo/runtime/test_hw_compat.py
@@ -2,9 +2,10 @@
 import unittest
 
 import torch
-import torch_tensorrt
 from torch.testing._internal.common_utils import TestCase, run_tests
 
+import torch_tensorrt
+
 
 class TestHardwareCompatibility(TestCase):
     @unittest.skipIf(
@@ -63,8 +64,9 @@ def forward(self, x):
         self.assertIn("Hardware Compatibility: Disabled", cpp_repr)
 
     @unittest.skipIf(
-        torch.ops.tensorrt.ABI_VERSION() != "5",
-        "Detected incorrect ABI version, please update this test case",
+        not torch_tensorrt.ENABLED_FEATURES.torch_tensorrt_runtime
+        or torch.ops.tensorrt.ABI_VERSION() != "5",
+        "Torch-TensorRT runtime is not available or ABI Version is compatible",
     )
     @unittest.skipIf(
         not torch_tensorrt.ENABLED_FEATURES.torch_tensorrt_runtime,