diff --git a/zwave_js_server/model/controller/__init__.py b/zwave_js_server/model/controller/__init__.py
index 767aed3c2..87d6f5977 100644
--- a/zwave_js_server/model/controller/__init__.py
+++ b/zwave_js_server/model/controller/__init__.py
@@ -1,15 +1,6 @@
 """Provide a model for the Z-Wave JS controller."""
 from dataclasses import dataclass
-from typing import (
-    TYPE_CHECKING,
-    Any,
-    Dict,
-    List,
-    Literal,
-    Optional,
-    Union,
-    cast,
-)
+from typing import TYPE_CHECKING, Any, Dict, List, Literal, Optional, Union, cast
 
 from ...const import (
     MINIMUM_QR_STRING_LENGTH,
@@ -22,14 +13,14 @@
 from ...event import Event, EventBase
 from ...util.helpers import convert_base64_to_bytes, convert_bytes_to_base64
 from ..association import Association, AssociationGroup
-from .statistics import ControllerStatistics
 from ..node import Node
+from .data_model import ControllerDataType
 from .inclusion_and_provisioning import (
     InclusionGrant,
     ProvisioningEntry,
     QRProvisioningInformation,
 )
-from .data_model import ControllerDataType
+from .statistics import ControllerStatistics
 
 if TYPE_CHECKING:
     from ...client import Client
diff --git a/zwave_js_server/model/controller/inclusion_and_provisioning.py b/zwave_js_server/model/controller/inclusion_and_provisioning.py
index d10cd9ad4..fd959c673 100644
--- a/zwave_js_server/model/controller/inclusion_and_provisioning.py
+++ b/zwave_js_server/model/controller/inclusion_and_provisioning.py
@@ -68,14 +68,6 @@ def from_dict(cls, data: Dict[str, Any]) -> "ProvisioningEntry":
         )
 
 
-@dataclass
-class NVMProgress:
-    """Class to represent an NVM backup/restore progress event."""
-
-    bytes_read_or_written: int
-    total_bytes: int
-
-
 @dataclass
 class QRProvisioningInformationMixin:
     """Mixin class to represent the base fields of a QR provisioning information."""
diff --git a/zwave_js_server/model/node/__init__.py b/zwave_js_server/model/node/__init__.py
index 2092e82ca..43e33fa57 100644
--- a/zwave_js_server/model/node/__init__.py
+++ b/zwave_js_server/model/node/__init__.py
@@ -1,5 +1,5 @@
 """Provide a model for the Z-Wave JS node."""
-from typing import TYPE_CHECKING, Any, Dict, List, Optional, TypedDict, Union, cast
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union, cast
 
 from ...const import (
     INTERVIEW_FAILED,
@@ -17,22 +17,15 @@
     UnwriteableValue,
 )
 from ..command_class import CommandClassInfo
-from ..device_class import DeviceClass, DeviceClassDataType
-from ..device_config import DeviceConfig, DeviceConfigDataType
-from ..endpoint import Endpoint, EndpointDataType
+from ..device_class import DeviceClass
+from ..device_config import DeviceConfig
+from ..endpoint import Endpoint
 from ..firmware import (
     FirmwareUpdateFinished,
     FirmwareUpdateFinishedDataType,
     FirmwareUpdateProgress,
     FirmwareUpdateProgressDataType,
 )
-from .health_check import (
-    CheckHealthProgress,
-    LifelineHealthCheckSummary,
-    RouteHealthCheckSummary,
-    TestPowerLevelProgress,
-)
-from .statistics import NodeStatistics, NodeStatisticsDataType
 from ..notification import (
     EntryControlNotification,
     EntryControlNotificationDataType,
@@ -51,56 +44,19 @@
     _get_value_id_from_dict,
     _init_value,
 )
+from .data_model import NodeDataType
+from .health_check import (
+    CheckHealthProgress,
+    LifelineHealthCheckSummary,
+    RouteHealthCheckSummary,
+    TestPowerLevelProgress,
+)
+from .statistics import NodeStatistics
 
 if TYPE_CHECKING:
     from ...client import Client
 
 
-class NodeDataType(TypedDict, total=False):
-    """Represent a node data dict type."""
-
-    nodeId: int  # required
-    index: int  # required
-    deviceClass: DeviceClassDataType  # required
-    installerIcon: int
-    userIcon: int
-    name: str
-    location: str
-    status: int  # 0-4  # required
-    zwavePlusVersion: int
-    zwavePlusNodeType: int
-    zwavePlusRoleType: int
-    isListening: bool
-    isFrequentListening: Union[bool, str]
-    isRouting: bool
-    maxDataRate: int
-    supportedDataRates: List[int]
-    isSecure: bool
-    supportsBeaming: bool
-    supportsSecurity: bool
-    protocolVersion: int
-    firmwareVersion: str
-    manufacturerId: int
-    productId: int
-    productType: int
-    deviceConfig: DeviceConfigDataType
-    deviceDatabaseUrl: str
-    keepAwake: bool
-    ready: bool
-    label: str
-    endpoints: List[EndpointDataType]
-    endpointCountIsDynamic: bool
-    endpointsHaveIdenticalCapabilities: bool
-    individualEndpointCount: int
-    aggregatedEndpointCount: int
-    interviewAttempts: int
-    interviewStage: Optional[Union[int, str]]
-    values: List[ValueDataType]
-    statistics: NodeStatisticsDataType
-    highestSecurityClass: int
-    isControllerNode: bool
-
-
 class Node(EventBase):
     """Represent a Z-Wave JS node."""
 
diff --git a/zwave_js_server/model/node/data_model.py b/zwave_js_server/model/node/data_model.py
new file mode 100644
index 000000000..1cbe07e9c
--- /dev/null
+++ b/zwave_js_server/model/node/data_model.py
@@ -0,0 +1,53 @@
+"""Provide a model for the Z-Wave JS controller."""
+from typing import List, Optional, TypedDict, Union
+
+from ..device_class import DeviceClassDataType
+from ..device_config import DeviceConfigDataType
+from ..endpoint import EndpointDataType
+from ..value import ValueDataType
+from .statistics import NodeStatisticsDataType
+
+
+class NodeDataType(TypedDict, total=False):
+    """Represent a node data dict type."""
+
+    nodeId: int  # required
+    index: int  # required
+    deviceClass: DeviceClassDataType  # required
+    installerIcon: int
+    userIcon: int
+    name: str
+    location: str
+    status: int  # 0-4  # required
+    zwavePlusVersion: int
+    zwavePlusNodeType: int
+    zwavePlusRoleType: int
+    isListening: bool
+    isFrequentListening: Union[bool, str]
+    isRouting: bool
+    maxDataRate: int
+    supportedDataRates: List[int]
+    isSecure: bool
+    supportsBeaming: bool
+    supportsSecurity: bool
+    protocolVersion: int
+    firmwareVersion: str
+    manufacturerId: int
+    productId: int
+    productType: int
+    deviceConfig: DeviceConfigDataType
+    deviceDatabaseUrl: str
+    keepAwake: bool
+    ready: bool
+    label: str
+    endpoints: List[EndpointDataType]
+    endpointCountIsDynamic: bool
+    endpointsHaveIdenticalCapabilities: bool
+    individualEndpointCount: int
+    aggregatedEndpointCount: int
+    interviewAttempts: int
+    interviewStage: Optional[Union[int, str]]
+    values: List[ValueDataType]
+    statistics: NodeStatisticsDataType
+    highestSecurityClass: int
+    isControllerNode: bool