diff --git a/libs/core/tests/unit_tests/utils/test_function_calling.py b/libs/core/tests/unit_tests/utils/test_function_calling.py
index cbae44c5e09..6731cc4e432 100644
--- a/libs/core/tests/unit_tests/utils/test_function_calling.py
+++ b/libs/core/tests/unit_tests/utils/test_function_calling.py
@@ -71,21 +71,6 @@ def json_schema() -> Dict:
     }
 
 
-@pytest.fixture()
-def json_schema_lax() -> Dict:
-    return {
-        "type": "object",
-        "properties": {
-            "arg1": {"description": "foo", "type": "integer"},
-            "arg2": {
-                "description": "one of 'bar', 'baz'",
-                "enum": ["bar", "baz"],
-                "type": "string",
-            },
-        },
-    }
-
-
 def test_convert_to_openai_function(
     pydantic: Type[BaseModel],
     function: Callable,
@@ -114,7 +99,7 @@ def test_convert_to_openai_function(
         assert actual == expected
 
 
-def test_convert_lax_jsonschema_to_openai_function(json_schema_lax: Dict) -> None:
+def test_convert_lax_jsonschema_to_openai_function() -> None:
     expected = {
         "name": "extract",
         "description": "",
@@ -131,7 +116,22 @@ def test_convert_lax_jsonschema_to_openai_function(json_schema_lax: Dict) -> Non
         },
     }
 
-    assert convert_to_openai_function(json_schema_lax) == expected
+    assert (
+        convert_to_openai_function(
+            {
+                "type": "object",
+                "properties": {
+                    "arg1": {"description": "foo", "type": "integer"},
+                    "arg2": {
+                        "description": "one of 'bar', 'baz'",
+                        "enum": ["bar", "baz"],
+                        "type": "string",
+                    },
+                },
+            }
+        )
+        == expected
+    )
 
 
 @pytest.mark.xfail(reason="Pydantic converts Optional[str] to str in .schema()")