Remove deprecated qubits in contrib graphdevice. (#5582)

quantumlib · Jun 23, 2022 · eb2a1dc · eb2a1dc
1 parent 2adb34f
commit eb2a1dc
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Showing 2 changed files with 2 additions and 14 deletions.
diff --git a/cirq-core/cirq/contrib/graph_device/graph_device.py b/cirq-core/cirq/contrib/graph_device/graph_device.py
@@ -15,9 +15,9 @@
 import abc
 import itertools
 
-from typing import Iterable, Optional, FrozenSet, TYPE_CHECKING, Tuple, cast
+from typing import Iterable, Optional, TYPE_CHECKING, Tuple, cast
 
-from cirq import _compat, devices, ops, value
+from cirq import devices, ops, value
 
 from cirq.contrib.graph_device.hypergraph import UndirectedHypergraph
 
@@ -155,10 +155,6 @@ def __init__(
     def qubits(self) -> Tuple['cirq.Qid', ...]:
         return cast(Tuple['cirq.Qid', ...], tuple(sorted(self.device_graph.vertices)))
 
-    @_compat.deprecated(fix='Please use UndirectedGraphDevice.qubits', deadline='v0.15')
-    def qubit_set(self) -> FrozenSet['cirq.Qid']:
-        return frozenset(self.qubits)
-
     @property
     def edges(self):
         return tuple(sorted(self.device_graph.edges))

diff --git a/cirq-core/cirq/contrib/graph_device/graph_device_test.py b/cirq-core/cirq/contrib/graph_device/graph_device_test.py
@@ -173,11 +173,3 @@ def test_graph_device_copy_and_add():
     device_copy += device_addend
     assert device != device_copy
     assert device_copy == device_sum
-
-
-def test_qubit_set_deprecated():
-    a, b, c, d = cirq.LineQubit.range(4)
-    device_graph = ccgd.UndirectedHypergraph(labelled_edges={(a, b): None, (c, d): None})
-    device = ccgd.UndirectedGraphDevice(device_graph=device_graph)
-    with cirq.testing.assert_deprecated('qubit_set', deadline='v0.15'):
-        assert device.qubit_set() == {a, b, c, d}