diff --git a/homeassistant/components/guardian/strings.json b/homeassistant/components/guardian/strings.json
index e8622fe9d03..b1b72b71002 100644
--- a/homeassistant/components/guardian/strings.json
+++ b/homeassistant/components/guardian/strings.json
@@ -12,6 +12,9 @@
         "description": "Do you want to set up this Guardian device?"
       }
     },
+    "error": {
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]"
+    },
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
       "already_in_progress": "[%key:common::config_flow::abort::already_in_progress%]",
diff --git a/tests/components/guardian/test_config_flow.py b/tests/components/guardian/test_config_flow.py
index 876434e8333..6c06171a45f 100644
--- a/tests/components/guardian/test_config_flow.py
+++ b/tests/components/guardian/test_config_flow.py
@@ -33,10 +33,6 @@ async def test_duplicate_error(hass: HomeAssistant, config: dict[str, Any]) -> N
     assert result["reason"] == "already_configured"
 
 
-@pytest.mark.parametrize(  # Remove when translations fixed
-    "ignore_translations",
-    ["component.guardian.config.error.cannot_connect"],
-)
 async def test_connect_error(hass: HomeAssistant, config: dict[str, Any]) -> None:
     """Test that the config entry errors out if the device cannot connect."""
     with patch(