diff --git a/homeassistant/components/zha/core/device.py b/homeassistant/components/zha/core/device.py
index 588fcac7ca6..e83c0afbceb 100644
--- a/homeassistant/components/zha/core/device.py
+++ b/homeassistant/components/zha/core/device.py
@@ -276,7 +276,7 @@ class ZHADevice(LogMixin):
     @property
     def skip_configuration(self) -> bool:
         """Return true if the device should not issue configuration related commands."""
-        return self._zigpy_device.skip_configuration or self.is_coordinator
+        return self._zigpy_device.skip_configuration or bool(self.is_coordinator)
 
     @property
     def gateway(self):
@@ -819,7 +819,7 @@ class ZHADevice(LogMixin):
                 fmt = f"{log_msg[1]} completed: %s"
             zdo.debug(fmt, *(log_msg[2] + (outcome,)))
 
-    def log(self, level: int, msg: str, *args: Any, **kwargs: dict) -> None:
+    def log(self, level: int, msg: str, *args: Any, **kwargs: Any) -> None:
         """Log a message."""
         msg = f"[%s](%s): {msg}"
         args = (self.nwk, self.model) + args
diff --git a/homeassistant/components/zha/core/gateway.py b/homeassistant/components/zha/core/gateway.py
index 02b2b21c835..b9465d5e2aa 100644
--- a/homeassistant/components/zha/core/gateway.py
+++ b/homeassistant/components/zha/core/gateway.py
@@ -8,7 +8,6 @@ from datetime import timedelta
 from enum import Enum
 import itertools
 import logging
-import os
 import time
 import traceback
 from typing import TYPE_CHECKING, Any, NamedTuple, Union
@@ -163,7 +162,7 @@ class ZHAGateway:
         app_config = self._config.get(CONF_ZIGPY, {})
         database = self._config.get(
             CONF_DATABASE,
-            os.path.join(self._hass.config.config_dir, DEFAULT_DATABASE_NAME),
+            self._hass.config.path(DEFAULT_DATABASE_NAME),
         )
         app_config[CONF_DATABASE] = database
         app_config[CONF_DEVICE] = self.config_entry.data[CONF_DEVICE]
@@ -333,7 +332,7 @@ class ZHAGateway:
     def group_removed(self, zigpy_group: zigpy.group.Group) -> None:
         """Handle zigpy group removed event."""
         self._send_group_gateway_message(zigpy_group, ZHA_GW_MSG_GROUP_REMOVED)
-        zha_group = self._groups.pop(zigpy_group.group_id, None)
+        zha_group = self._groups.pop(zigpy_group.group_id)
         zha_group.info("group_removed")
         self._cleanup_group_entity_registry_entries(zigpy_group)
 
@@ -428,6 +427,7 @@ class ZHAGateway:
         ]
 
         # then we get all group entity entries tied to the coordinator
+        assert self.coordinator_zha_device
         all_group_entity_entries = er.async_entries_for_device(
             self.ha_entity_registry,
             self.coordinator_zha_device.device_id,
diff --git a/homeassistant/components/zha/core/group.py b/homeassistant/components/zha/core/group.py
index 1392041c4d4..7f1c9f09998 100644
--- a/homeassistant/components/zha/core/group.py
+++ b/homeassistant/components/zha/core/group.py
@@ -78,7 +78,7 @@ class ZHAGroupMember(LogMixin):
         return member_info
 
     @property
-    def associated_entities(self) -> list[GroupEntityReference]:
+    def associated_entities(self) -> list[dict[str, Any]]:
         """Return the list of entities that were derived from this endpoint."""
         ha_entity_registry = self.device.gateway.ha_entity_registry
         zha_device_registry = self.device.gateway.device_registry
@@ -150,9 +150,7 @@ class ZHAGroup(LogMixin):
     def members(self) -> list[ZHAGroupMember]:
         """Return the ZHA devices that are members of this group."""
         return [
-            ZHAGroupMember(
-                self, self._zha_gateway.devices.get(member_ieee), endpoint_id
-            )
+            ZHAGroupMember(self, self._zha_gateway.devices[member_ieee], endpoint_id)
             for (member_ieee, endpoint_id) in self._zigpy_group.members.keys()
             if member_ieee in self._zha_gateway.devices
         ]
diff --git a/homeassistant/components/zha/core/helpers.py b/homeassistant/components/zha/core/helpers.py
index f387cc99bfe..390ef290dc2 100644
--- a/homeassistant/components/zha/core/helpers.py
+++ b/homeassistant/components/zha/core/helpers.py
@@ -169,6 +169,8 @@ def async_get_zha_device(hass: HomeAssistant, device_id: str) -> ZHADevice:
     """Get a ZHA device for the given device registry id."""
     device_registry = dr.async_get(hass)
     registry_device = device_registry.async_get(device_id)
+    if not registry_device:
+        raise ValueError(f"Device id `{device_id}` not found in registry.")
     zha_gateway: ZHAGateway = hass.data[DATA_ZHA][DATA_ZHA_GATEWAY]
     ieee_address = list(list(registry_device.identifiers)[0])[1]
     ieee = zigpy.types.EUI64.convert(ieee_address)
diff --git a/mypy.ini b/mypy.ini
index e2e91ef921c..b5c56d71ff9 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2996,21 +2996,9 @@ ignore_errors = true
 [mypy-homeassistant.components.xiaomi_miio.switch]
 ignore_errors = true
 
-[mypy-homeassistant.components.zha.core.device]
-ignore_errors = true
-
 [mypy-homeassistant.components.zha.core.discovery]
 ignore_errors = true
 
-[mypy-homeassistant.components.zha.core.gateway]
-ignore_errors = true
-
-[mypy-homeassistant.components.zha.core.group]
-ignore_errors = true
-
-[mypy-homeassistant.components.zha.core.helpers]
-ignore_errors = true
-
 [mypy-homeassistant.components.zha.core.registries]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 49cf3b7b65a..453eade7b2d 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -144,11 +144,7 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.xiaomi_miio.light",
     "homeassistant.components.xiaomi_miio.sensor",
     "homeassistant.components.xiaomi_miio.switch",
-    "homeassistant.components.zha.core.device",
     "homeassistant.components.zha.core.discovery",
-    "homeassistant.components.zha.core.gateway",
-    "homeassistant.components.zha.core.group",
-    "homeassistant.components.zha.core.helpers",
     "homeassistant.components.zha.core.registries",
     "homeassistant.components.zha.core.store",
 ]