diff --git a/api/features/feature_lifecycle/services.py b/api/features/feature_lifecycle/services.py
index e6efa43443ac..b1d39458098b 100644
--- a/api/features/feature_lifecycle/services.py
+++ b/api/features/feature_lifecycle/services.py
@@ -2,7 +2,6 @@
 
 from django.db.models.expressions import Case, Exists, OuterRef, Value, When
 from django.db.models.fields import BooleanField
-from django.db.models.functions import Cast
 from django.db.models.query import QuerySet
 from django.utils import timezone
 
@@ -42,7 +41,7 @@ def annotate_feature_queryset_with_lifecycle_stage(
         has_recent_usage=(
             Exists(features_in_use.filter(pk=OuterRef("pk")))
             if features_in_use is not None
-            else Cast(Value(None), output_field=BooleanField())
+            else Value(None, output_field=BooleanField())
         ),
         has_permanent_tag=Exists(
             Tag.objects.filter(feature=OuterRef("pk"), is_permanent=True),
diff --git a/api/features/feature_lifecycle/views.py b/api/features/feature_lifecycle/views.py
index 32af6a6a65b7..eccc8edf0a2b 100644
--- a/api/features/feature_lifecycle/views.py
+++ b/api/features/feature_lifecycle/views.py
@@ -1,6 +1,7 @@
+from collections import Counter
+
 import structlog
 from common.environments.permissions import VIEW_ENVIRONMENT
-from django.db.models import Count
 from django.shortcuts import get_object_or_404
 from drf_spectacular.utils import extend_schema
 from rest_framework.permissions import IsAuthenticated
@@ -44,10 +45,10 @@ def get(self, request: Request, environment_pk: int) -> Response:
             environment,
         )
 
-        counts = features.values("lifecycle_stage").annotate(count=Count("pk"))  # type: ignore[misc]
-        summary: dict[LifecycleStage, int] = {stage: 0 for stage in LifecycleStage}
-        for stage_count in counts:
-            summary[stage_count["lifecycle_stage"]] = stage_count["count"]
+        counts = Counter(features.values_list("lifecycle_stage", flat=True))  # type: ignore[misc]
+        summary: dict[LifecycleStage, int] = {
+            stage: counts.get(stage, 0) for stage in LifecycleStage
+        }
 
         logger.info(
             "summarised",
diff --git a/docs/docs/deployment-self-hosting/observability/_events-catalogue.md b/docs/docs/deployment-self-hosting/observability/_events-catalogue.md
index dabbe68e03a7..4be021e479e4 100644
--- a/docs/docs/deployment-self-hosting/observability/_events-catalogue.md
+++ b/docs/docs/deployment-self-hosting/observability/_events-catalogue.md
@@ -134,7 +134,7 @@ Attributes:
 ### `feature_lifecycle.summarised`
 
 Logged at `info` from:
- - `api/features/feature_lifecycle/views.py:52`
+ - `api/features/feature_lifecycle/views.py:53`
 
 Attributes:
  - `environment.id`