diff --git a/grassmann_tensor/tensor.py b/grassmann_tensor/tensor.py
index 5abb675..117c21e 100644
--- a/grassmann_tensor/tensor.py
+++ b/grassmann_tensor/tensor.py
@@ -901,7 +901,7 @@ def contract(
         # Merge tensor `a` common edges
         arrow_merge_common_edges = (False, True)
         shape_merge_common_edges = (a.tensor.shape[0], math.prod(a.tensor.shape[1:]))
-        even, odd, reorder, sign = self._reorder_indices(a.edges[1:])
+        even, odd, _, sign = self._reorder_indices(a.edges[1:])
         edges_merge_common_edges = typing.cast(
             tuple[tuple[int, int], ...],
             (a.edges[0], (even, odd)),
@@ -915,7 +915,6 @@ def contract(
         tensor_merge_common_edges = torch.where(
             merging_parity, -tensor_merge_common_edges, +tensor_merge_common_edges
         )
-        tensor_merge_common_edges = tensor_merge_common_edges.index_select(1, reorder)
 
         a = dataclasses.replace(
             a,
diff --git a/tests/svd_test.py b/tests/svd_test.py
index 84a2b8e..01b57ec 100644
--- a/tests/svd_test.py
+++ b/tests/svd_test.py
@@ -241,7 +241,7 @@ def test_svd_int_cutoff_odd_block_empty_select_from_even_only(a: int, b: int, k:
 
 devices = [torch.device("cpu")]
 if torch.cuda.is_available():
-    devices.append(torch.device("cuda"))
+    devices.append(torch.device("cuda:0"))
 
 
 @pytest.mark.parametrize(