diff --git a/static/app/types/workflowEngine/automations.tsx b/static/app/types/workflowEngine/automations.tsx
index bd4f0687bc21..23c142710f76 100644
--- a/static/app/types/workflowEngine/automations.tsx
+++ b/static/app/types/workflowEngine/automations.tsx
@@ -48,11 +48,6 @@ export interface AutomationFireHistory {
   detector?: Detector;
 }
 
-export type AutomationStats = {
-  count: number;
-  date: string;
-};
-
 /**
  * Warning information about the status of actions in an automation.
  */
diff --git a/static/app/views/automations/components/automationStatsChart.timeRange.spec.tsx b/static/app/views/automations/components/automationStatsChart.timeRange.spec.tsx
index cecdccd7a041..c6577e59a8d7 100644
--- a/static/app/views/automations/components/automationStatsChart.timeRange.spec.tsx
+++ b/static/app/views/automations/components/automationStatsChart.timeRange.spec.tsx
@@ -55,24 +55,4 @@ describe('AutomationStatsChart time range', () => {
       xAxis: {type: 'time', min: start, max: end},
     });
   });
-
-  it('continues to accept the legacy response during deployment', async () => {
-    MockApiClient.addMockResponse({
-      url: '/organizations/org-slug/workflows/123/stats/',
-      body: [{date: '2026-01-13T20:00:00Z', count: 1}],
-    });
-
-    render(
-      <AutomationStatsChart
-        automationId="123"
-        period="1h"
-        start={null}
-        end={null}
-        utc={null}
-      />,
-      {organization}
-    );
-
-    expect(await screen.findByText('1')).toBeInTheDocument();
-  });
 });
diff --git a/static/app/views/automations/components/automationStatsChart.tsx b/static/app/views/automations/components/automationStatsChart.tsx
index 4d7a0d4eeaf2..70ff1f44f841 100644
--- a/static/app/views/automations/components/automationStatsChart.tsx
+++ b/static/app/views/automations/components/automationStatsChart.tsx
@@ -14,7 +14,7 @@ import {PanelBody} from 'sentry/components/panels/panelBody';
 import {PanelFooter} from 'sentry/components/panels/panelFooter';
 import {Placeholder} from 'sentry/components/placeholder';
 import {t} from 'sentry/locale';
-import type {Automation, AutomationStats} from 'sentry/types/workflowEngine/automations';
+import type {Automation} from 'sentry/types/workflowEngine/automations';
 import {apiOptions} from 'sentry/utils/api/apiOptions';
 import {getUtcDateString, getUtcToLocalDateObject} from 'sentry/utils/dates';
 import {useOrganization} from 'sentry/utils/useOrganization';
@@ -30,38 +30,9 @@ type WorkflowStatsResponse = {
     end: number;
     start: number;
   };
-  timeSeries: TimeSeries[];
+  timeSeries: [TimeSeries];
 };
 
-type WorkflowStatsApiResponse = AutomationStats[] | WorkflowStatsResponse;
-
-type WorkflowStats = {
-  values: TimeSeries['values'];
-  timeframe?: WorkflowStatsResponse['meta'];
-};
-
-function normalizeWorkflowStatsResponse(
-  response: WorkflowStatsApiResponse | undefined
-): WorkflowStats | undefined {
-  if (!response) {
-    return undefined;
-  }
-
-  if (Array.isArray(response)) {
-    return {
-      values: response.map(({date, count}) => ({
-        timestamp: Date.parse(date),
-        value: count,
-      })),
-    };
-  }
-
-  return {
-    timeframe: response.meta,
-    values: response.timeSeries[0]?.values ?? [],
-  };
-}
-
 export function AutomationStatsChart({
   automationId,
   period,
@@ -73,11 +44,11 @@ export function AutomationStatsChart({
   const organization = useOrganization();
   const chartZoomProps = useChartZoom({saveOnZoom: true});
   const {
-    data: statsResponse,
+    data: stats,
     isPending,
     isError,
   } = useQuery(
-    apiOptions.as<WorkflowStatsApiResponse>()(
+    apiOptions.as<WorkflowStatsResponse>()(
       '/organizations/$organizationIdOrSlug/workflows/$workflowId/stats/',
       {
         path: {organizationIdOrSlug: organization.slug, workflowId: automationId},
@@ -92,9 +63,8 @@ export function AutomationStatsChart({
     )
   );
 
-  const stats = normalizeWorkflowStatsResponse(statsResponse);
   const totalAlertsTriggered =
-    stats?.values.reduce((acc, curr) => acc + (curr.value ?? 0), 0) ?? 0;
+    stats?.timeSeries[0].values.reduce((acc, curr) => acc + (curr.value ?? 0), 0) ?? 0;
 
   return (
     <Panel>
@@ -121,18 +91,14 @@ export function AutomationStatsChart({
             yAxis={{
               minInterval: 1,
             }}
-            xAxis={
-              stats.timeframe
-                ? {
-                    min: stats.timeframe.start,
-                    max: stats.timeframe.end,
-                  }
-                : undefined
-            }
+            xAxis={{
+              min: stats.meta.start,
+              max: stats.meta.end,
+            }}
             series={[
               {
                 seriesName: t('Alerts Triggered'),
-                data: stats.values.map(({timestamp, value}) => ({
+                data: stats.timeSeries[0].values.map(({timestamp, value}) => ({
                   name: timestamp,
                   value: value ?? 0,
                 })),
diff --git a/static/app/views/automations/detail.spec.tsx b/static/app/views/automations/detail.spec.tsx
index bb2f5cd64242..4461159b48c0 100644
--- a/static/app/views/automations/detail.spec.tsx
+++ b/static/app/views/automations/detail.spec.tsx
@@ -85,7 +85,20 @@ describe('AutomationDetail', () => {
 
     MockApiClient.addMockResponse({
       url: '/organizations/org-slug/workflows/123/stats/',
-      body: [],
+      body: {
+        meta: {dataset: 'workflow', start: 0, end: 60 * 60 * 1000},
+        timeSeries: [
+          {
+            yAxis: 'count()',
+            values: [],
+            meta: {
+              interval: 60 * 60 * 1000,
+              valueType: 'integer',
+              valueUnit: null,
+            },
+          },
+        ],
+      },
     });
 
     MockApiClient.addMockResponse({