From ea2bb2448452639488d7f2b16a69047794b6948d Mon Sep 17 00:00:00 2001
From: Phil Bruckner <pnbruckner@gmail.com>
Date: Tue, 2 Apr 2024 15:23:59 -0500
Subject: [PATCH] Remove old device tracker device cleanup code & test
 (#114668)

---
 .../components/device_tracker/config_entry.py | 22 -----
 .../device_tracker/test_config_entry.py       | 82 -------------------
 2 files changed, 104 deletions(-)

diff --git a/homeassistant/components/device_tracker/config_entry.py b/homeassistant/components/device_tracker/config_entry.py
index a1c1961dc43..99c152cd449 100644
--- a/homeassistant/components/device_tracker/config_entry.py
+++ b/homeassistant/components/device_tracker/config_entry.py
@@ -51,28 +51,6 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     )
     component.register_shutdown()
 
-    # Clean up old devices created by device tracker entities in the past.
-    # Can be removed after 2022.6
-    ent_reg = er.async_get(hass)
-    dev_reg = dr.async_get(hass)
-
-    devices_with_trackers = set()
-    devices_with_non_trackers = set()
-
-    for entity in ent_reg.entities.values():
-        if entity.device_id is None:
-            continue
-
-        if entity.domain == DOMAIN:
-            devices_with_trackers.add(entity.device_id)
-        else:
-            devices_with_non_trackers.add(entity.device_id)
-
-    for device_id in devices_with_trackers - devices_with_non_trackers:
-        for entity in er.async_entries_for_device(ent_reg, device_id, True):
-            ent_reg.async_update_entity(entity.entity_id, device_id=None)
-        dev_reg.async_remove_device(device_id)
-
     return await component.async_setup_entry(entry)
 
 
diff --git a/tests/components/device_tracker/test_config_entry.py b/tests/components/device_tracker/test_config_entry.py
index d8236c697c3..6a1731d5a77 100644
--- a/tests/components/device_tracker/test_config_entry.py
+++ b/tests/components/device_tracker/test_config_entry.py
@@ -581,88 +581,6 @@ def test_base_tracker_entity() -> None:
         assert entity.state_attributes is None
 
 
-async def test_cleanup_legacy(
-    hass: HomeAssistant,
-    config_entry: MockConfigEntry,
-    entity_registry: er.EntityRegistry,
-    device_registry: dr.DeviceRegistry,
-) -> None:
-    """Test we clean up devices created by old device tracker."""
-    device_entry_1 = device_registry.async_get_or_create(
-        config_entry_id=config_entry.entry_id, identifiers={(DOMAIN, "device1")}
-    )
-    device_entry_2 = device_registry.async_get_or_create(
-        config_entry_id=config_entry.entry_id, identifiers={(DOMAIN, "device2")}
-    )
-    device_entry_3 = device_registry.async_get_or_create(
-        config_entry_id=config_entry.entry_id, identifiers={(DOMAIN, "device3")}
-    )
-
-    # Device with light + device tracker entity
-    entity_entry_1a = entity_registry.async_get_or_create(
-        DOMAIN,
-        "test",
-        "entity1a-unique",
-        config_entry=config_entry,
-        device_id=device_entry_1.id,
-    )
-    entity_entry_1b = entity_registry.async_get_or_create(
-        "light",
-        "test",
-        "entity1b-unique",
-        config_entry=config_entry,
-        device_id=device_entry_1.id,
-    )
-    # Just device tracker entity
-    entity_entry_2a = entity_registry.async_get_or_create(
-        DOMAIN,
-        "test",
-        "entity2a-unique",
-        config_entry=config_entry,
-        device_id=device_entry_2.id,
-    )
-    # Device with no device tracker entities
-    entity_entry_3a = entity_registry.async_get_or_create(
-        "light",
-        "test",
-        "entity3a-unique",
-        config_entry=config_entry,
-        device_id=device_entry_3.id,
-    )
-    # Device tracker but no device
-    entity_entry_4a = entity_registry.async_get_or_create(
-        DOMAIN,
-        "test",
-        "entity4a-unique",
-        config_entry=config_entry,
-    )
-    # Completely different entity
-    entity_entry_5a = entity_registry.async_get_or_create(
-        "light",
-        "test",
-        "entity4a-unique",
-        config_entry=config_entry,
-    )
-
-    await create_mock_platform(hass, config_entry, [])
-
-    for entity_entry in (
-        entity_entry_1a,
-        entity_entry_1b,
-        entity_entry_3a,
-        entity_entry_4a,
-        entity_entry_5a,
-    ):
-        assert entity_registry.async_get(entity_entry.entity_id) is not None
-
-    entity_entry = entity_registry.async_get(entity_entry_2a.entity_id)
-    assert entity_entry is not None
-    # We've removed device so device ID cleared
-    assert entity_entry.device_id is None
-    # Removed because only had device tracker entity
-    assert device_registry.async_get(device_entry_2.id) is None
-
-
 @pytest.mark.parametrize(
     ("mac_address", "unique_id"), [(TEST_MAC_ADDRESS, f"{TEST_MAC_ADDRESS}_yo1")]
 )