diff --git a/homeassistant/components/toon/__init__.py b/homeassistant/components/toon/__init__.py
index 6af3c0e066b..59174cff260 100644
--- a/homeassistant/components/toon/__init__.py
+++ b/homeassistant/components/toon/__init__.py
@@ -102,7 +102,11 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     device_registry.async_get_or_create(
         config_entry_id=entry.entry_id,
         identifiers={
-            (DOMAIN, coordinator.data.agreement.agreement_id, "meter_adapter")
+            (
+                DOMAIN,
+                coordinator.data.agreement.agreement_id,
+                "meter_adapter",
+            )  # type: ignore[arg-type]
         },
         manufacturer="Eneco",
         name="Meter Adapter",
diff --git a/homeassistant/components/toon/config_flow.py b/homeassistant/components/toon/config_flow.py
index 9afba2bc2ae..e86d951069c 100644
--- a/homeassistant/components/toon/config_flow.py
+++ b/homeassistant/components/toon/config_flow.py
@@ -20,8 +20,8 @@ class ToonFlowHandler(AbstractOAuth2FlowHandler, domain=DOMAIN):
     DOMAIN = DOMAIN
     VERSION = 2
 
-    agreements: list[Agreement] | None = None
-    data: dict[str, Any] | None = None
+    agreements: list[Agreement]
+    data: dict[str, Any]
 
     @property
     def logger(self) -> logging.Logger:
diff --git a/homeassistant/components/toon/models.py b/homeassistant/components/toon/models.py
index e39faa1efc6..301e3c06233 100644
--- a/homeassistant/components/toon/models.py
+++ b/homeassistant/components/toon/models.py
@@ -39,8 +39,8 @@ class ToonElectricityMeterDeviceEntity(ToonEntity):
         agreement_id = self.coordinator.data.agreement.agreement_id
         return DeviceInfo(
             name="Electricity Meter",
-            identifiers={(DOMAIN, agreement_id, "electricity")},
-            via_device=(DOMAIN, agreement_id, "meter_adapter"),
+            identifiers={(DOMAIN, agreement_id, "electricity")},  # type: ignore[arg-type]
+            via_device=(DOMAIN, agreement_id, "meter_adapter"),  # type: ignore[typeddict-item]
         )
 
 
@@ -53,8 +53,8 @@ class ToonGasMeterDeviceEntity(ToonEntity):
         agreement_id = self.coordinator.data.agreement.agreement_id
         return DeviceInfo(
             name="Gas Meter",
-            identifiers={(DOMAIN, agreement_id, "gas")},
-            via_device=(DOMAIN, agreement_id, "electricity"),
+            identifiers={(DOMAIN, agreement_id, "gas")},  # type: ignore[arg-type]
+            via_device=(DOMAIN, agreement_id, "electricity"),  # type: ignore[typeddict-item]
         )
 
 
@@ -67,8 +67,8 @@ class ToonWaterMeterDeviceEntity(ToonEntity):
         agreement_id = self.coordinator.data.agreement.agreement_id
         return DeviceInfo(
             name="Water Meter",
-            identifiers={(DOMAIN, agreement_id, "water")},
-            via_device=(DOMAIN, agreement_id, "electricity"),
+            identifiers={(DOMAIN, agreement_id, "water")},  # type: ignore[arg-type]
+            via_device=(DOMAIN, agreement_id, "electricity"),  # type: ignore[typeddict-item]
         )
 
 
@@ -81,8 +81,8 @@ class ToonSolarDeviceEntity(ToonEntity):
         agreement_id = self.coordinator.data.agreement.agreement_id
         return DeviceInfo(
             name="Solar Panels",
-            identifiers={(DOMAIN, agreement_id, "solar")},
-            via_device=(DOMAIN, agreement_id, "meter_adapter"),
+            identifiers={(DOMAIN, agreement_id, "solar")},  # type: ignore[arg-type]
+            via_device=(DOMAIN, agreement_id, "meter_adapter"),  # type: ignore[typeddict-item]
         )
 
 
@@ -96,7 +96,7 @@ class ToonBoilerModuleDeviceEntity(ToonEntity):
         return DeviceInfo(
             name="Boiler Module",
             manufacturer="Eneco",
-            identifiers={(DOMAIN, agreement_id, "boiler_module")},
+            identifiers={(DOMAIN, agreement_id, "boiler_module")},  # type: ignore[arg-type]
             via_device=(DOMAIN, agreement_id),
         )
 
@@ -110,8 +110,8 @@ class ToonBoilerDeviceEntity(ToonEntity):
         agreement_id = self.coordinator.data.agreement.agreement_id
         return DeviceInfo(
             name="Boiler",
-            identifiers={(DOMAIN, agreement_id, "boiler")},
-            via_device=(DOMAIN, agreement_id, "boiler_module"),
+            identifiers={(DOMAIN, agreement_id, "boiler")},  # type: ignore[arg-type]
+            via_device=(DOMAIN, agreement_id, "boiler_module"),  # type: ignore[typeddict-item]
         )
 
 
diff --git a/mypy.ini b/mypy.ini
index e6f82ba957e..04c5b6f05e2 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2801,15 +2801,6 @@ ignore_errors = true
 [mypy-homeassistant.components.template.sensor]
 ignore_errors = true
 
-[mypy-homeassistant.components.toon]
-ignore_errors = true
-
-[mypy-homeassistant.components.toon.config_flow]
-ignore_errors = true
-
-[mypy-homeassistant.components.toon.models]
-ignore_errors = true
-
 [mypy-homeassistant.components.withings]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index f86fd447722..9984eeeb405 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -68,9 +68,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.sonos.statistics",
     "homeassistant.components.template.number",
     "homeassistant.components.template.sensor",
-    "homeassistant.components.toon",
-    "homeassistant.components.toon.config_flow",
-    "homeassistant.components.toon.models",
     "homeassistant.components.withings",
     "homeassistant.components.withings.binary_sensor",
     "homeassistant.components.withings.common",