diff --git a/src/sentry/snuba/metrics/fields/snql.py b/src/sentry/snuba/metrics/fields/snql.py
index 893ad0780a6fa..dcf846d051c02 100644
--- a/src/sentry/snuba/metrics/fields/snql.py
+++ b/src/sentry/snuba/metrics/fields/snql.py
@@ -614,7 +614,7 @@ def rate_snql_factory(
     numerator: float,
     denominator: float = 1.0,
     alias: Optional[str] = None,
-):
+) -> Function:
     return Function(
         "divide",
         [
diff --git a/tests/sentry/relay/config/test_metric_extraction.py b/tests/sentry/relay/config/test_metric_extraction.py
index 6a5ddb7c553eb..bf3cc0c9b2707 100644
--- a/tests/sentry/relay/config/test_metric_extraction.py
+++ b/tests/sentry/relay/config/test_metric_extraction.py
@@ -433,27 +433,10 @@ def test_get_metric_extraction_config_with_apdex(default_project):
 
 
 @django_db_all
-def test_get_metric_extraction_config_with_epm(default_project):
+@pytest.mark.parametrize("metric", [("epm()"), ("eps()")])
+def test_get_metric_extraction_config_with_no_tag_spec(default_project, metric):
     with Feature({ON_DEMAND_METRICS: True, ON_DEMAND_METRICS_WIDGETS: True}):
-        create_widget(["epm()"], "transaction.duration:>=1000", default_project)
-
-        config = get_metric_extraction_config(default_project)
-
-        assert config
-        assert len(config["metrics"]) == 1
-        assert config["metrics"][0] == {
-            "category": "transaction",
-            "condition": {"name": "event.duration", "op": "gte", "value": 1000.0},
-            "field": None,
-            "mri": "c:transactions/on_demand@none",
-            "tags": [{"key": "query_hash", "value": ANY}],
-        }
-
-
-@django_db_all
-def test_get_metric_extraction_config_with_eps(default_project):
-    with Feature({ON_DEMAND_METRICS: True, ON_DEMAND_METRICS_WIDGETS: True}):
-        create_widget(["eps()"], "transaction.duration:>=1000", default_project)
+        create_widget([metric], "transaction.duration:>=1000", default_project)
 
         config = get_metric_extraction_config(default_project)