diff --git a/homeassistant/core.py b/homeassistant/core.py
index f4c819c1262c3785a51396d94ebbbb1819ff7d4c..0640664d64f0ef1cefd691752f845d5838d7ff18 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -84,7 +84,6 @@ from .exceptions import (
 )
 from .helpers.deprecation import (
     DeferredDeprecatedAlias,
-    DeprecatedConstantEnum,
     EnumWithDeprecatedMembers,
     all_with_deprecated_constants,
     check_if_deprecated_constant,
@@ -177,14 +176,6 @@ class EventStateReportedData(EventStateEventData):
     old_last_reported: datetime.datetime
 
 
-# SOURCE_* are deprecated as of Home Assistant 2022.2, use ConfigSource instead
-_DEPRECATED_SOURCE_DISCOVERED = DeprecatedConstantEnum(
-    ConfigSource.DISCOVERED, "2025.1"
-)
-_DEPRECATED_SOURCE_STORAGE = DeprecatedConstantEnum(ConfigSource.STORAGE, "2025.1")
-_DEPRECATED_SOURCE_YAML = DeprecatedConstantEnum(ConfigSource.YAML, "2025.1")
-
-
 def _deprecated_core_config() -> Any:
     # pylint: disable-next=import-outside-toplevel
     from . import core_config
diff --git a/tests/test_core.py b/tests/test_core.py
index df2d916e1668d2c116c3ced16fe6d788e8b62226..0100c35055ecf7f8157e80af82bd45c18d1b1443 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -68,7 +68,6 @@ from .common import (
     async_mock_service,
     help_test_all,
     import_and_test_deprecated_alias,
-    import_and_test_deprecated_constant_enum,
 )
 
 PST = dt_util.get_time_zone("America/Los_Angeles")
@@ -2980,22 +2979,6 @@ def test_all() -> None:
     help_test_all(ha)
 
 
-@pytest.mark.parametrize(
-    ("enum"),
-    [
-        ha.ConfigSource.DISCOVERED,
-        ha.ConfigSource.YAML,
-        ha.ConfigSource.STORAGE,
-    ],
-)
-def test_deprecated_constants(
-    caplog: pytest.LogCaptureFixture,
-    enum: ha.ConfigSource,
-) -> None:
-    """Test deprecated constants."""
-    import_and_test_deprecated_constant_enum(caplog, ha, enum, "SOURCE_", "2025.1")
-
-
 def test_deprecated_config(caplog: pytest.LogCaptureFixture) -> None:
     """Test deprecated Config class."""
     import_and_test_deprecated_alias(caplog, ha, "Config", Config, "2025.11")