diff --git a/homeassistant/components/sma/__init__.py b/homeassistant/components/sma/__init__.py
index 13c0e598a2d..74a2581632c 100644
--- a/homeassistant/components/sma/__init__.py
+++ b/homeassistant/components/sma/__init__.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from datetime import timedelta
 import logging
+from typing import TYPE_CHECKING
 
 import pysma
 
@@ -58,6 +59,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     ) as exc:
         raise ConfigEntryNotReady from exc
 
+    if TYPE_CHECKING:
+        assert entry.unique_id
+
     # Create DeviceInfo object from sma_device_info
     device_info = DeviceInfo(
         configuration_url=url,
diff --git a/homeassistant/components/sma/sensor.py b/homeassistant/components/sma/sensor.py
index ae7a0a64719..0d90d89ce98 100644
--- a/homeassistant/components/sma/sensor.py
+++ b/homeassistant/components/sma/sensor.py
@@ -1,6 +1,8 @@
 """SMA Solar Webconnect interface."""
 from __future__ import annotations
 
+from typing import TYPE_CHECKING
+
 import pysma
 
 from homeassistant.components.sensor import (
@@ -34,6 +36,9 @@ async def async_setup_entry(
     used_sensors = sma_data[PYSMA_SENSORS]
     device_info = sma_data[PYSMA_DEVICE_INFO]
 
+    if TYPE_CHECKING:
+        assert config_entry.unique_id
+
     entities = []
     for sensor in used_sensors:
         entities.append(
diff --git a/mypy.ini b/mypy.ini
index 3eb3d8b3019..abe3ca7da9a 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2197,9 +2197,6 @@ ignore_errors = true
 [mypy-homeassistant.components.sharkiq.*]
 ignore_errors = true
 
-[mypy-homeassistant.components.sma.*]
-ignore_errors = true
-
 [mypy-homeassistant.components.smartthings.*]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index d8038e7acf9..d17bdc97169 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -74,7 +74,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.search.*",
     "homeassistant.components.sense.*",
     "homeassistant.components.sharkiq.*",
-    "homeassistant.components.sma.*",
     "homeassistant.components.smartthings.*",
     "homeassistant.components.solaredge.*",
     "homeassistant.components.sonos.*",