diff --git a/axis/vapix/interfaces/parameters/param_handler.py b/axis/vapix/interfaces/parameters/param_handler.py
index 40efc33a..511799f0 100644
--- a/axis/vapix/interfaces/parameters/param_handler.py
+++ b/axis/vapix/interfaces/parameters/param_handler.py
@@ -30,7 +30,7 @@ def __init__(self, param_handler: "Params") -> None:
 
     def supported(self) -> bool:
         """Is parameter supported."""
-        return self.vapix.params.get_param(self.parameter_group) != {}
+        return self.get_params() != {}
 
     @abstractmethod
     def get_params(self) -> dict[str, ApiItemT]:
diff --git a/axis/vapix/models/light_control.py b/axis/vapix/models/light_control.py
index aa030af9..32c33055 100644
--- a/axis/vapix/models/light_control.py
+++ b/axis/vapix/models/light_control.py
@@ -240,28 +240,6 @@ def from_list(cls, data: list[RangeT]) -> list["Range"]:
         return [Range.from_dict(range) for range in data]
 
 
-@dataclass
-class ApiVersion:
-    """Handle API version."""
-
-    _default_api_version: str = field(init=False)
-    api_version: str | None = None
-
-    @property
-    def _api_version(self) -> str:
-        """API version or default API version."""
-        if self.api_version is not None:
-            return self.api_version
-        return self._default_api_version
-
-
-@dataclass
-class _ApiVersion(ApiVersion):
-    """Light control API version."""
-
-    _default_api_version = API_VERSION
-
-
 @dataclass
 class GetLightInformationRequest(ApiRequest):
     """Request object for getting light information."""
diff --git a/tests/test_param_cgi.py b/tests/test_param_cgi.py
index 098d0757..43102b40 100644
--- a/tests/test_param_cgi.py
+++ b/tests/test_param_cgi.py
@@ -8,17 +8,23 @@
 import pytest
 import respx
 
+from axis.device import AxisDevice
 from axis.vapix.interfaces.parameters.param_cgi import Params
 
 from .conftest import HOST
 
 
 @pytest.fixture
-def params(axis_device) -> Params:
+def params(axis_device: AxisDevice) -> Params:
     """Return the param cgi mock object."""
     return axis_device.vapix.params
 
 
+async def test_param_api_request(params: Params):
+    """Verify that you can list parameters."""
+    assert await params._api_request() == {}
+
+
 @respx.mock
 async def test_params(params: Params):
     """Verify that you can list parameters."""