diff --git a/src/sentry/api/endpoints/release_threshold_details.py b/src/sentry/api/endpoints/release_threshold_details.py
index 7b1cf38fb85b5..1f739d2784228 100644
--- a/src/sentry/api/endpoints/release_threshold_details.py
+++ b/src/sentry/api/endpoints/release_threshold_details.py
@@ -1,5 +1,4 @@
 from django.http import HttpResponse
-from rest_framework import serializers
 from rest_framework.request import Request
 from rest_framework.response import Response
 
@@ -8,16 +7,10 @@
 from sentry.api.base import region_silo_endpoint
 from sentry.api.bases.project import ProjectEndpoint
 from sentry.api.serializers import serialize
-from sentry.api.serializers.rest_framework.project import ProjectField
 from sentry.models import Project
 from sentry.models.release_threshold.releasethreshold import ReleaseThreshold
 
 
-class ReleaseThresholdDetailsGETSerializer(serializers.Serializer):
-    threshold_id = serializers.CharField()
-    project = ProjectField()
-
-
 @region_silo_endpoint
 class ReleaseThresholdDetailsEndpoint(ProjectEndpoint):
     owner: ApiOwner = ApiOwner.ENTERPRISE
@@ -26,21 +19,9 @@ class ReleaseThresholdDetailsEndpoint(ProjectEndpoint):
     }
 
     def get(self, request: Request, project: Project, threshold_id: str) -> HttpResponse:
-        request.data["project"] = project.slug
-        request.data["threshold_id"] = threshold_id
-        serializer = ReleaseThresholdDetailsGETSerializer(
-            data=request.data,
-            context={
-                "organization": project.organization,
-                "access": request.access,
-            },
-        )
-        if not serializer.is_valid():
-            return Response(serializer.errors, status=400)
-        result = serializer.validated_data
         try:
             release_threshold = ReleaseThreshold.objects.get(
-                id=result.get("threshold_id"),
+                id=threshold_id,
                 project=project,
             )
             return Response(serialize(release_threshold, request.user), status=200)