diff --git a/homeassistant/components/zwave_js/config_flow.py b/homeassistant/components/zwave_js/config_flow.py
index 6d9f88d93f1e6852c8d120ef16f0a544230cd214..3e979b224ae7766a021cb7c1f2a370e9d1610815 100644
--- a/homeassistant/components/zwave_js/config_flow.py
+++ b/homeassistant/components/zwave_js/config_flow.py
@@ -366,18 +366,6 @@ class ZWaveJSConfigFlow(BaseZwaveJSFlow, ConfigFlow, domain=DOMAIN):
         """Return the options flow."""
         return OptionsFlowHandler(config_entry)
 
-    async def async_step_import(self, import_data: dict[str, Any]) -> ConfigFlowResult:
-        """Handle imported data.
-
-        This step will be used when importing data
-        during Z-Wave to Z-Wave JS migration.
-        """
-        # Note that the data comes from the zwave integration.
-        # So we don't use our constants here.
-        self.s0_legacy_key = import_data.get("network_key")
-        self.usb_path = import_data.get("usb_path")
-        return await self.async_step_user()
-
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
diff --git a/tests/components/zwave_js/test_config_flow.py b/tests/components/zwave_js/test_config_flow.py
index fe16f38257a45e23c05c3da050df07fda7d19994..a3affb6b97794cbda9985d253fd564f9690d223e 100644
--- a/tests/components/zwave_js/test_config_flow.py
+++ b/tests/components/zwave_js/test_config_flow.py
@@ -2726,104 +2726,6 @@ async def test_options_addon_not_installed(
     assert client.disconnect.call_count == 1
 
 
-@pytest.mark.parametrize("discovery_info", [{"config": ADDON_DISCOVERY_INFO}])
-async def test_import_addon_installed(
-    hass: HomeAssistant,
-    supervisor,
-    addon_installed,
-    addon_options,
-    set_addon_options,
-    start_addon,
-    get_addon_discovery_info,
-    serial_port,
-) -> None:
-    """Test import step while add-on already installed on Supervisor."""
-    serial_port.device = "/test/imported"
-    result = await hass.config_entries.flow.async_init(
-        DOMAIN,
-        context={"source": config_entries.SOURCE_IMPORT},
-        data={"usb_path": "/test/imported", "network_key": "imported123"},
-    )
-
-    assert result["type"] is FlowResultType.FORM
-    assert result["step_id"] == "on_supervisor"
-
-    result = await hass.config_entries.flow.async_configure(
-        result["flow_id"], {"use_addon": True}
-    )
-
-    assert result["type"] is FlowResultType.FORM
-    assert result["step_id"] == "configure_addon"
-
-    # the default input should be the imported data
-    default_input = result["data_schema"]({})
-
-    assert default_input == {
-        "usb_path": "/test/imported",
-        "s0_legacy_key": "imported123",
-        "s2_access_control_key": "",
-        "s2_authenticated_key": "",
-        "s2_unauthenticated_key": "",
-        "lr_s2_access_control_key": "",
-        "lr_s2_authenticated_key": "",
-    }
-
-    result = await hass.config_entries.flow.async_configure(
-        result["flow_id"], default_input
-    )
-
-    assert set_addon_options.call_args == call(
-        hass,
-        "core_zwave_js",
-        {
-            "options": {
-                "device": "/test/imported",
-                "s0_legacy_key": "imported123",
-                "s2_access_control_key": "",
-                "s2_authenticated_key": "",
-                "s2_unauthenticated_key": "",
-                "lr_s2_access_control_key": "",
-                "lr_s2_authenticated_key": "",
-            }
-        },
-    )
-
-    assert result["type"] is FlowResultType.SHOW_PROGRESS
-    assert result["step_id"] == "start_addon"
-
-    with (
-        patch(
-            "homeassistant.components.zwave_js.async_setup", return_value=True
-        ) as mock_setup,
-        patch(
-            "homeassistant.components.zwave_js.async_setup_entry",
-            return_value=True,
-        ) as mock_setup_entry,
-    ):
-        await hass.async_block_till_done()
-        result = await hass.config_entries.flow.async_configure(result["flow_id"])
-        await hass.async_block_till_done()
-
-    assert start_addon.call_args == call(hass, "core_zwave_js")
-
-    assert result["type"] is FlowResultType.CREATE_ENTRY
-    assert result["title"] == TITLE
-    assert result["data"] == {
-        "url": "ws://host1:3001",
-        "usb_path": "/test/imported",
-        "s0_legacy_key": "imported123",
-        "s2_access_control_key": "",
-        "s2_authenticated_key": "",
-        "s2_unauthenticated_key": "",
-        "lr_s2_access_control_key": "",
-        "lr_s2_authenticated_key": "",
-        "use_addon": True,
-        "integration_created_addon": False,
-    }
-    assert len(mock_setup.mock_calls) == 1
-    assert len(mock_setup_entry.mock_calls) == 1
-
-
 async def test_zeroconf(hass: HomeAssistant) -> None:
     """Test zeroconf discovery."""