diff --git a/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/do_work.ts b/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/do_work.ts
deleted file mode 100644
index 3c656d3efb9f17..00000000000000
--- a/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/do_work.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0; you may not use this file except in compliance with the Elastic License
- * 2.0.
- */
-
-export const doWork = async <T>(fn: () => T): Promise<T> => {
-  return new Promise((resolve) => {
-    setTimeout(() => {
-      resolve(fn());
-    });
-  });
-};
diff --git a/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/evaluate_rule.ts b/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/evaluate_rule.ts
index 970c684b98d37c..e1f4f974cf127f 100644
--- a/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/evaluate_rule.ts
+++ b/x-pack/plugins/infra/server/lib/alerting/metric_threshold/lib/evaluate_rule.ts
@@ -22,7 +22,6 @@ import { UNGROUPED_FACTORY_KEY } from '../../common/utils';
 import { MetricExpressionParams, Comparator, Aggregators } from '../types';
 import { getElasticsearchMetricQuery } from './metric_query';
 import { createTimerange } from './create_timerange';
-import { doWork } from './do_work';
 
 interface AggregationWithoutIntervals {
   aggregatedValue: { value: number; values?: Array<{ key: number; value: number }> };
@@ -204,23 +203,17 @@ const getMetric: (
         afterKeyHandler
       )) as Array<Aggregation & { key: Record<string, string>; doc_count: number }>;
       const groupedResults: Record<string, any> = {};
-      await Promise.all(
-        compositeBuckets.map((bucket) => {
-          return doWork(() => {
-            const key = Object.values(bucket.key)
-              .map((value) => value)
-              .join(', ');
-            const value = getValuesFromAggregations(
-              bucket,
-              aggType,
-              dropPartialBucketsOptions,
-              calculatedTimerange,
-              bucket.doc_count
-            );
-            groupedResults[key] = value;
-          });
-        })
-      );
+      for (const bucket of compositeBuckets) {
+        const key = Object.values(bucket.key).join(', ');
+        const value = getValuesFromAggregations(
+          bucket,
+          aggType,
+          dropPartialBucketsOptions,
+          calculatedTimerange,
+          bucket.doc_count
+        );
+        groupedResults[key] = value;
+      }
       return groupedResults;
     }
     const { body: result } = await esClient.search({