diff --git a/homeassistant/util/speed.py b/homeassistant/util/speed.py
deleted file mode 100644
index 80a3609ab4d..00000000000
--- a/homeassistant/util/speed.py
+++ /dev/null
@@ -1,44 +0,0 @@
-"""Distance util functions."""
-from __future__ import annotations
-
-# pylint: disable-next=hass-deprecated-import
-from homeassistant.const import (  # noqa: F401
-    SPEED,
-    SPEED_FEET_PER_SECOND,
-    SPEED_INCHES_PER_DAY,
-    SPEED_INCHES_PER_HOUR,
-    SPEED_KILOMETERS_PER_HOUR,
-    SPEED_KNOTS,
-    SPEED_METERS_PER_SECOND,
-    SPEED_MILES_PER_HOUR,
-    SPEED_MILLIMETERS_PER_DAY,
-    UNIT_NOT_RECOGNIZED_TEMPLATE,
-)
-from homeassistant.helpers.frame import report
-
-from .unit_conversion import (  # noqa: F401
-    _FOOT_TO_M as FOOT_TO_M,
-    _HRS_TO_SECS as HRS_TO_SECS,
-    _IN_TO_M as IN_TO_M,
-    _KM_TO_M as KM_TO_M,
-    _MILE_TO_M as MILE_TO_M,
-    _NAUTICAL_MILE_TO_M as NAUTICAL_MILE_TO_M,
-    SpeedConverter,
-)
-
-# pylint: disable-next=protected-access
-UNIT_CONVERSION: dict[str | None, float] = SpeedConverter._UNIT_CONVERSION
-VALID_UNITS = SpeedConverter.VALID_UNITS
-
-
-def convert(value: float, from_unit: str, to_unit: str) -> float:
-    """Convert one unit of measurement to another."""
-    report(
-        (
-            "uses speed utility. This is deprecated since 2022.10 and will "
-            "stop working in Home Assistant 2023.4, it should be updated to use "
-            "unit_conversion.SpeedConverter instead"
-        ),
-        error_if_core=False,
-    )
-    return SpeedConverter.convert(value, from_unit, to_unit)
diff --git a/tests/util/test_speed.py b/tests/util/test_speed.py
deleted file mode 100644
index ae47b4d39cc..00000000000
--- a/tests/util/test_speed.py
+++ /dev/null
@@ -1,92 +0,0 @@
-"""Test Home Assistant speed utility functions."""
-import pytest
-
-from homeassistant.const import (
-    SPEED_INCHES_PER_DAY,
-    SPEED_INCHES_PER_HOUR,
-    SPEED_MILLIMETERS_PER_DAY,
-    UnitOfSpeed,
-)
-from homeassistant.exceptions import HomeAssistantError
-import homeassistant.util.speed as speed_util
-
-INVALID_SYMBOL = "bob"
-VALID_SYMBOL = UnitOfSpeed.KILOMETERS_PER_HOUR
-
-
-def test_raise_deprecation_warning(caplog: pytest.LogCaptureFixture) -> None:
-    """Ensure that a warning is raised on use of convert."""
-    assert speed_util.convert(2, SPEED_INCHES_PER_DAY, SPEED_INCHES_PER_DAY) == 2
-    assert "use unit_conversion.SpeedConverter instead" in caplog.text
-
-
-def test_convert_same_unit() -> None:
-    """Test conversion from any unit to same unit."""
-    assert speed_util.convert(2, SPEED_INCHES_PER_DAY, SPEED_INCHES_PER_DAY) == 2
-    assert speed_util.convert(3, SPEED_INCHES_PER_HOUR, SPEED_INCHES_PER_HOUR) == 3
-    assert (
-        speed_util.convert(
-            4, UnitOfSpeed.KILOMETERS_PER_HOUR, UnitOfSpeed.KILOMETERS_PER_HOUR
-        )
-        == 4
-    )
-    assert (
-        speed_util.convert(
-            5, UnitOfSpeed.METERS_PER_SECOND, UnitOfSpeed.METERS_PER_SECOND
-        )
-        == 5
-    )
-    assert (
-        speed_util.convert(6, UnitOfSpeed.MILES_PER_HOUR, UnitOfSpeed.MILES_PER_HOUR)
-        == 6
-    )
-    assert (
-        speed_util.convert(7, SPEED_MILLIMETERS_PER_DAY, SPEED_MILLIMETERS_PER_DAY) == 7
-    )
-
-
-def test_convert_invalid_unit() -> None:
-    """Test exception is thrown for invalid units."""
-    with pytest.raises(HomeAssistantError, match="is not a recognized .* unit"):
-        speed_util.convert(5, INVALID_SYMBOL, VALID_SYMBOL)
-
-    with pytest.raises(HomeAssistantError, match="is not a recognized .* unit"):
-        speed_util.convert(5, VALID_SYMBOL, INVALID_SYMBOL)
-
-
-def test_convert_nonnumeric_value() -> None:
-    """Test exception is thrown for nonnumeric type."""
-    with pytest.raises(TypeError):
-        speed_util.convert(
-            "a", UnitOfSpeed.KILOMETERS_PER_HOUR, UnitOfSpeed.MILES_PER_HOUR
-        )
-
-
-@pytest.mark.parametrize(
-    ("from_value", "from_unit", "expected", "to_unit"),
-    [
-        # 5 km/h / 1.609 km/mi = 3.10686 mi/h
-        (5, UnitOfSpeed.KILOMETERS_PER_HOUR, 3.10686, UnitOfSpeed.MILES_PER_HOUR),
-        # 5 mi/h * 1.609 km/mi = 8.04672 km/h
-        (5, UnitOfSpeed.MILES_PER_HOUR, 8.04672, UnitOfSpeed.KILOMETERS_PER_HOUR),
-        # 5 in/day * 25.4 mm/in = 127 mm/day
-        (5, SPEED_INCHES_PER_DAY, 127, SPEED_MILLIMETERS_PER_DAY),
-        # 5 mm/day / 25.4 mm/in = 0.19685 in/day
-        (5, SPEED_MILLIMETERS_PER_DAY, 0.19685, SPEED_INCHES_PER_DAY),
-        # 5 in/hr * 24 hr/day = 3048 mm/day
-        (5, SPEED_INCHES_PER_HOUR, 3048, SPEED_MILLIMETERS_PER_DAY),
-        # 5 m/s * 39.3701 in/m * 3600 s/hr = 708661
-        (5, UnitOfSpeed.METERS_PER_SECOND, 708661, SPEED_INCHES_PER_HOUR),
-        # 5000 in/h / 39.3701 in/m / 3600 s/h = 0.03528 m/s
-        (5000, SPEED_INCHES_PER_HOUR, 0.03528, UnitOfSpeed.METERS_PER_SECOND),
-        # 5 kt * 1852 m/nmi / 3600 s/h = 2.5722 m/s
-        (5, UnitOfSpeed.KNOTS, 2.5722, UnitOfSpeed.METERS_PER_SECOND),
-        # 5 ft/s * 0.3048 m/ft = 1.524 m/s
-        (5, UnitOfSpeed.FEET_PER_SECOND, 1.524, UnitOfSpeed.METERS_PER_SECOND),
-    ],
-)
-def test_convert_different_units(from_value, from_unit, expected, to_unit) -> None:
-    """Test conversion between units."""
-    assert speed_util.convert(from_value, from_unit, to_unit) == pytest.approx(
-        expected, rel=1e-4
-    )