diff --git a/tests/components/mqtt/test_binary_sensor.py b/tests/components/mqtt/test_binary_sensor.py
index 28bf5f558cb..91a4833b1fc 100644
--- a/tests/components/mqtt/test_binary_sensor.py
+++ b/tests/components/mqtt/test_binary_sensor.py
@@ -6,6 +6,7 @@ from pathlib import Path
 from typing import Any
 from unittest.mock import patch
 
+from freezegun import freeze_time
 from freezegun.api import FrozenDateTimeFactory
 import pytest
 
@@ -146,57 +147,64 @@ async def expires_helper(hass: HomeAssistant) -> None:
     """Run the basic expiry code."""
     realnow = dt_util.utcnow()
     now = datetime(realnow.year + 1, 1, 1, 1, tzinfo=dt_util.UTC)
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
+    with freeze_time(now) as freezer:
+        freezer.move_to(now)
         async_fire_time_changed(hass, now)
         async_fire_mqtt_message(hass, "test-topic", "ON")
         await hass.async_block_till_done()
 
-    # Value was set correctly.
-    state = hass.states.get("binary_sensor.test")
-    assert state.state == STATE_ON
+        # Value was set correctly.
+        state = hass.states.get("binary_sensor.test")
+        assert state.state == STATE_ON
 
-    # Time jump +3s
-    now = now + timedelta(seconds=3)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +3s
+        now += timedelta(seconds=3)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is not yet expired
-    state = hass.states.get("binary_sensor.test")
-    assert state.state == STATE_ON
+        # Value is not yet expired
+        state = hass.states.get("binary_sensor.test")
+        assert state.state == STATE_ON
 
-    # Next message resets timer
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
+        # Next message resets timer
+        # Time jump 0.5s
+        now += timedelta(seconds=0.5)
+        freezer.move_to(now)
         async_fire_time_changed(hass, now)
         async_fire_mqtt_message(hass, "test-topic", "OFF")
         await hass.async_block_till_done()
 
-    # Value was updated correctly.
-    state = hass.states.get("binary_sensor.test")
-    assert state.state == STATE_OFF
+        # Value was updated correctly.
+        state = hass.states.get("binary_sensor.test")
+        assert state.state == STATE_OFF
 
-    # Time jump +3s
-    now = now + timedelta(seconds=3)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +3s
+        now += timedelta(seconds=3)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is not yet expired
-    state = hass.states.get("binary_sensor.test")
-    assert state.state == STATE_OFF
+        # Value is not yet expired
+        state = hass.states.get("binary_sensor.test")
+        assert state.state == STATE_OFF
 
-    # Time jump +2s
-    now = now + timedelta(seconds=2)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +2s
+        now += timedelta(seconds=2)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is expired now
-    state = hass.states.get("binary_sensor.test")
-    assert state.state == STATE_UNAVAILABLE
+        # Value is expired now
+        state = hass.states.get("binary_sensor.test")
+        assert state.state == STATE_UNAVAILABLE
 
 
 async def test_expiration_on_discovery_and_discovery_update_of_binary_sensor(
     hass: HomeAssistant,
     mqtt_mock_entry: MqttMockHAClientGenerator,
     caplog: pytest.LogCaptureFixture,
+    freezer: FrozenDateTimeFactory,
 ) -> None:
     """Test that binary_sensor with expire_after set behaves correctly on discovery and discovery update."""
     await mqtt_mock_entry()
@@ -212,31 +220,28 @@ async def test_expiration_on_discovery_and_discovery_update_of_binary_sensor(
     # Set time and publish config message to create binary_sensor via discovery with 4 s expiry
     realnow = dt_util.utcnow()
     now = datetime(realnow.year + 1, 1, 1, 1, tzinfo=dt_util.UTC)
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
-        async_fire_time_changed(hass, now)
-        async_fire_mqtt_message(
-            hass, "homeassistant/binary_sensor/bla/config", config_msg
-        )
-        await hass.async_block_till_done()
+    freezer.move_to(now)
+    async_fire_time_changed(hass, now)
+    async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", config_msg)
+    await hass.async_block_till_done()
 
     # Test that binary_sensor is not available
     state = hass.states.get("binary_sensor.test")
     assert state.state == STATE_UNAVAILABLE
 
     # Publish state message
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
-        async_fire_mqtt_message(hass, "test-topic", "ON")
-        await hass.async_block_till_done()
+    async_fire_mqtt_message(hass, "test-topic", "ON")
+    await hass.async_block_till_done()
 
     # Test that binary_sensor has correct state
     state = hass.states.get("binary_sensor.test")
     assert state.state == STATE_ON
 
     # Advance +3 seconds
-    now = now + timedelta(seconds=3)
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
-        async_fire_time_changed(hass, now)
-        await hass.async_block_till_done()
+    now += timedelta(seconds=3)
+    freezer.move_to(now)
+    async_fire_time_changed(hass, now)
+    await hass.async_block_till_done()
 
     # binary_sensor is not yet expired
     state = hass.states.get("binary_sensor.test")
@@ -255,21 +260,18 @@ async def test_expiration_on_discovery_and_discovery_update_of_binary_sensor(
     assert state.state == STATE_ON
 
     # Add +2 seconds
-    now = now + timedelta(seconds=2)
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
-        async_fire_time_changed(hass, now)
-        await hass.async_block_till_done()
+    now += timedelta(seconds=2)
+    freezer.move_to(now)
+    async_fire_time_changed(hass, now)
+    await hass.async_block_till_done()
 
     # Test that binary_sensor has expired
     state = hass.states.get("binary_sensor.test")
     assert state.state == STATE_UNAVAILABLE
 
     # Resend config message to update discovery
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
-        async_fire_mqtt_message(
-            hass, "homeassistant/binary_sensor/bla/config", config_msg
-        )
-        await hass.async_block_till_done()
+    async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", config_msg)
+    await hass.async_block_till_done()
 
     # Test that binary_sensor is still expired
     state = hass.states.get("binary_sensor.test")
diff --git a/tests/components/mqtt/test_sensor.py b/tests/components/mqtt/test_sensor.py
index 043c8d539b6..d9c92b315b3 100644
--- a/tests/components/mqtt/test_sensor.py
+++ b/tests/components/mqtt/test_sensor.py
@@ -6,6 +6,7 @@ from pathlib import Path
 from typing import Any
 from unittest.mock import MagicMock, patch
 
+from freezegun import freeze_time
 from freezegun.api import FrozenDateTimeFactory
 import pytest
 
@@ -360,51 +361,56 @@ async def expires_helper(hass: HomeAssistant) -> None:
     """Run the basic expiry code."""
     realnow = dt_util.utcnow()
     now = datetime(realnow.year + 1, 1, 1, 1, tzinfo=dt_util.UTC)
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
+    with freeze_time(now) as freezer:
+        freezer.move_to(now)
         async_fire_time_changed(hass, now)
         async_fire_mqtt_message(hass, "test-topic", "100")
         await hass.async_block_till_done()
 
-    # Value was set correctly.
-    state = hass.states.get("sensor.test")
-    assert state.state == "100"
+        # Value was set correctly.
+        state = hass.states.get("sensor.test")
+        assert state.state == "100"
 
-    # Time jump +3s
-    now = now + timedelta(seconds=3)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +3s
+        now += timedelta(seconds=3)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is not yet expired
-    state = hass.states.get("sensor.test")
-    assert state.state == "100"
+        # Value is not yet expired
+        state = hass.states.get("sensor.test")
+        assert state.state == "100"
 
-    # Next message resets timer
-    with patch(("homeassistant.helpers.event.dt_util.utcnow"), return_value=now):
+        # Next message resets timer
+        now += timedelta(seconds=0.5)
+        freezer.move_to(now)
         async_fire_time_changed(hass, now)
         async_fire_mqtt_message(hass, "test-topic", "101")
         await hass.async_block_till_done()
 
-    # Value was updated correctly.
-    state = hass.states.get("sensor.test")
-    assert state.state == "101"
+        # Value was updated correctly.
+        state = hass.states.get("sensor.test")
+        assert state.state == "101"
 
-    # Time jump +3s
-    now = now + timedelta(seconds=3)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +3s
+        now += timedelta(seconds=3)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is not yet expired
-    state = hass.states.get("sensor.test")
-    assert state.state == "101"
+        # Value is not yet expired
+        state = hass.states.get("sensor.test")
+        assert state.state == "101"
 
-    # Time jump +2s
-    now = now + timedelta(seconds=2)
-    async_fire_time_changed(hass, now)
-    await hass.async_block_till_done()
+        # Time jump +2s
+        now += timedelta(seconds=2)
+        freezer.move_to(now)
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
 
-    # Value is expired now
-    state = hass.states.get("sensor.test")
-    assert state.state == STATE_UNAVAILABLE
+        # Value is expired now
+        state = hass.states.get("sensor.test")
+        assert state.state == STATE_UNAVAILABLE
 
 
 @pytest.mark.parametrize(