diff --git a/homeassistant/components/nzbget/coordinator.py b/homeassistant/components/nzbget/coordinator.py
index 5851bb21b41..c037619d31b 100644
--- a/homeassistant/components/nzbget/coordinator.py
+++ b/homeassistant/components/nzbget/coordinator.py
@@ -1,6 +1,8 @@
 """Provides the NZBGet DataUpdateCoordinator."""
+from collections.abc import Mapping
 from datetime import timedelta
 import logging
+from typing import Any
 
 from async_timeout import timeout
 from pynzbgetapi import NZBGetAPI, NZBGetAPIException
@@ -25,7 +27,13 @@ _LOGGER = logging.getLogger(__name__)
 class NZBGetDataUpdateCoordinator(DataUpdateCoordinator):
     """Class to manage fetching NZBGet data."""
 
-    def __init__(self, hass: HomeAssistant, *, config: dict, options: dict) -> None:
+    def __init__(
+        self,
+        hass: HomeAssistant,
+        *,
+        config: Mapping[str, Any],
+        options: Mapping[str, Any],
+    ) -> None:
         """Initialize global NZBGet data updater."""
         self.nzbget = NZBGetAPI(
             config[CONF_HOST],
@@ -37,7 +45,7 @@ class NZBGetDataUpdateCoordinator(DataUpdateCoordinator):
         )
 
         self._completed_downloads_init = False
-        self._completed_downloads = {}
+        self._completed_downloads = set[tuple]()
 
         update_interval = timedelta(seconds=options[CONF_SCAN_INTERVAL])
 
diff --git a/mypy.ini b/mypy.ini
index b973b959213..1e6741eccd1 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2689,18 +2689,6 @@ ignore_errors = true
 [mypy-homeassistant.components.minecraft_server.sensor]
 ignore_errors = true
 
-[mypy-homeassistant.components.nzbget]
-ignore_errors = true
-
-[mypy-homeassistant.components.nzbget.config_flow]
-ignore_errors = true
-
-[mypy-homeassistant.components.nzbget.coordinator]
-ignore_errors = true
-
-[mypy-homeassistant.components.nzbget.switch]
-ignore_errors = true
-
 [mypy-homeassistant.components.onvif.base]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 87ace51a3d6..64260b90033 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -27,10 +27,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.minecraft_server",
     "homeassistant.components.minecraft_server.helpers",
     "homeassistant.components.minecraft_server.sensor",
-    "homeassistant.components.nzbget",
-    "homeassistant.components.nzbget.config_flow",
-    "homeassistant.components.nzbget.coordinator",
-    "homeassistant.components.nzbget.switch",
     "homeassistant.components.onvif.base",
     "homeassistant.components.onvif.binary_sensor",
     "homeassistant.components.onvif.camera",