diff --git a/homeassistant/components/deconz/entity.py b/homeassistant/components/deconz/entity.py
index 8551ad33cf5..f45c35ada44 100644
--- a/homeassistant/components/deconz/entity.py
+++ b/homeassistant/components/deconz/entity.py
@@ -138,7 +138,7 @@ class DeconzDevice[_DeviceT: _DeviceType](DeconzBase[_DeviceT], Entity):
         """Return True if device is available."""
         if isinstance(self._device, PydeconzScene):
             return self.hub.available
-        return self.hub.available and self._device.reachable  # type: ignore[union-attr]
+        return self.hub.available and self._device.reachable
 
 
 class DeconzSceneMixin(DeconzDevice[PydeconzScene]):
diff --git a/homeassistant/components/vlc_telnet/media_player.py b/homeassistant/components/vlc_telnet/media_player.py
index bede6efbf57..b95e987aef8 100644
--- a/homeassistant/components/vlc_telnet/media_player.py
+++ b/homeassistant/components/vlc_telnet/media_player.py
@@ -175,13 +175,13 @@ class VlcDevice(MediaPlayerEntity):
 
         # Fall back to filename.
         if data_info := data.get("data"):
-            self._attr_media_title = _get_str(data_info, "filename")
+            media_title = _get_str(data_info, "filename")
 
             # Strip out auth signatures if streaming local media
-            if (media_title := self.media_title) and (
-                pos := media_title.find("?authSig=")
-            ) != -1:
+            if media_title and (pos := media_title.find("?authSig=")) != -1:
                 self._attr_media_title = media_title[:pos]
+            else:
+                self._attr_media_title = media_title
 
     @catch_vlc_errors
     async def async_media_seek(self, position: float) -> None:
diff --git a/mypy.ini b/mypy.ini
index 62da0ef73af..4e68d6ba2fb 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -8,7 +8,6 @@ platform = linux
 plugins = pydantic.mypy
 show_error_codes = true
 follow_imports = normal
-enable_incomplete_feature = NewGenericSyntax
 local_partial_types = true
 strict_equality = true
 no_implicit_optional = true
diff --git a/requirements_test.txt b/requirements_test.txt
index ec5d851dc05..5dc2b09df2c 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -11,7 +11,7 @@ astroid==3.3.4
 coverage==7.6.1
 freezegun==1.5.1
 mock-open==1.4.0
-mypy-dev==1.12.0a3
+mypy-dev==1.12.0a5
 pre-commit==3.8.0
 pydantic==1.10.18
 pylint==3.3.1
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index d2aff81aa05..de42c964ddf 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -36,11 +36,9 @@ GENERAL_SETTINGS: Final[dict[str, str]] = {
     "plugins": "pydantic.mypy",
     "show_error_codes": "true",
     "follow_imports": "normal",
-    "enable_incomplete_feature": ", ".join(  # noqa: FLY002
-        [
-            "NewGenericSyntax",
-        ]
-    ),
+    # "enable_incomplete_feature": ", ".join(  # noqa: FLY002
+    #     []
+    # ),
     # Enable some checks globally.
     "local_partial_types": "true",
     "strict_equality": "true",