diff --git a/pyproject.toml b/pyproject.toml
index 6e964ed..4087e53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ test = [
     'coverage ~= 7.6.0; python_version >= "3.11"',
     'coverage[toml] ~= 7.6.0; python_version <= "3.10"',
     "mypy ~= 1.10.1",
+    "overrides ~= 7.7.0",
     "pylint ~= 3.2.5",
     'pyright==1.1.372; platform_system == "Linux"',
     "pytest ~= 8.2.2",
diff --git a/startrepo/common.py b/startrepo/common.py
index 30ad7aa..3ffd1fc 100644
--- a/startrepo/common.py
+++ b/startrepo/common.py
@@ -4,20 +4,24 @@
 
 from typing import TYPE_CHECKING
 
+from overrides import EnforceOverrides
+
 if TYPE_CHECKING:
     from typing_extensions import Self  # Directly import from typing on Python 3.11+
 
 
-# class LOSDeviceError(Exception):
+# class LOSDeviceError(Exception, EnforceOverrides):
 #     """Error class unique to LOSDevice objects."""
 
 
-class LOSDevice:
+class LOSDevice(EnforceOverrides):
     """A device that supports Lineage OS.
 
     :param new_type: This is a new type for LOSDevice
     """
 
+    __slots__ = ("new_type",)
+
     def __init__(self, new_type: str) -> None:
         """Initialize the LOSDevice."""
         self.new_type = new_type
diff --git a/startrepo/devices/oneplus3t.py b/startrepo/devices/oneplus3t.py
index 9ec9028..fa84497 100644
--- a/startrepo/devices/oneplus3t.py
+++ b/startrepo/devices/oneplus3t.py
@@ -2,25 +2,31 @@
 
 from __future__ import annotations
 
+from overrides import EnforceOverrides
+
 from startrepo.common import LOSDevice
 
-# class OP3TError(Exception):
+# class OP3TError(LOSDeviceError, EnforceOverrides):
 #     """Error class unique to OP3T objects."""
 
 
-class OP3T(LOSDevice):
+class OP3T(LOSDevice, EnforceOverrides):
     """OnePlus 3T object."""
 
+    __slots__ = ()
+
     def __init__(self) -> None:
         """Initialize the OP3T."""
         super().__init__("")
 
     # @classmethod
+    # @override
     # def main(cls) -> None:
     #     """OP3T main method.
     #     """
 
     # @staticmethod
+    # @override
     # def create() -> None:
     #     """Build a shell.
     #     """
diff --git a/startrepo/devices/oneplus6t.py b/startrepo/devices/oneplus6t.py
index 8b7fd4f..91ce929 100644
--- a/startrepo/devices/oneplus6t.py
+++ b/startrepo/devices/oneplus6t.py
@@ -2,25 +2,31 @@
 
 from __future__ import annotations
 
+from overrides import EnforceOverrides
+
 from startrepo.common import LOSDevice
 
-# class OP6TError(Exception):
+# class OP6TError(LOSDeviceError, EnforceOverrides):
 #     """Error class unique to OP6T objects."""
 
 
-class OP6T(LOSDevice):
+class OP6T(LOSDevice, EnforceOverrides):
     """OnePlus 6T object."""
 
+    __slots__ = ()
+
     def __init__(self) -> None:
         """Initialize the OP6T."""
         super().__init__("")
 
     # @classmethod
+    # @override
     # def main(cls) -> None:
     #     """OP6T main method.
     #     """
 
     # @staticmethod
+    # @override
     # def create() -> None:
     #     """Build a shell.
     #     """