diff --git a/x-pack/plugins/apm/server/lib/anomaly_detection/create_anomaly_detection_jobs.ts b/x-pack/plugins/apm/server/lib/anomaly_detection/create_anomaly_detection_jobs.ts
index 6bc3a9cdf4c1a..c387c5152b1c5 100644
--- a/x-pack/plugins/apm/server/lib/anomaly_detection/create_anomaly_detection_jobs.ts
+++ b/x-pack/plugins/apm/server/lib/anomaly_detection/create_anomaly_detection_jobs.ts
@@ -88,7 +88,7 @@ async function createAnomalyDetectionJob({
         filter: [
           { term: { [PROCESSOR_EVENT]: 'transaction' } },
           { exists: { field: TRANSACTION_DURATION } },
-          ...[getEnvironmentUiFilterES(environment)],
+          ...getEnvironmentUiFilterES(environment),
         ],
       },
     },
diff --git a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/__test__/get_environment_ui_filter_es.test.ts b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/__test__/get_environment_ui_filter_es.test.ts
index 0f0a11a868d6d..800f809727eb6 100644
--- a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/__test__/get_environment_ui_filter_es.test.ts
+++ b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/__test__/get_environment_ui_filter_es.test.ts
@@ -7,24 +7,23 @@
 import { getEnvironmentUiFilterES } from '../get_environment_ui_filter_es';
 import { ENVIRONMENT_NOT_DEFINED } from '../../../../../common/environment_filter_values';
 import { SERVICE_ENVIRONMENT } from '../../../../../common/elasticsearch_fieldnames';
-import { ESFilter } from '../../../../../typings/elasticsearch';
 
 describe('getEnvironmentUiFilterES', () => {
-  it('should return undefined, when environment is undefined', () => {
+  it('should return empty array, when environment is undefined', () => {
     const uiFilterES = getEnvironmentUiFilterES();
-    expect(uiFilterES).toBeUndefined();
+    expect(uiFilterES).toHaveLength(0);
   });
 
   it('should create a filter for a service environment', () => {
-    const uiFilterES = getEnvironmentUiFilterES('test') as ESFilter;
-    expect(uiFilterES).toHaveProperty(['term', SERVICE_ENVIRONMENT], 'test');
+    const uiFilterES = getEnvironmentUiFilterES('test');
+    expect(uiFilterES).toHaveLength(1);
+    expect(uiFilterES[0]).toHaveProperty(['term', SERVICE_ENVIRONMENT], 'test');
   });
 
   it('should create a filter for missing service environments', () => {
-    const uiFilterES = getEnvironmentUiFilterES(
-      ENVIRONMENT_NOT_DEFINED
-    ) as ESFilter;
-    expect(uiFilterES).toHaveProperty(
+    const uiFilterES = getEnvironmentUiFilterES(ENVIRONMENT_NOT_DEFINED);
+    expect(uiFilterES).toHaveLength(1);
+    expect(uiFilterES[0]).toHaveProperty(
       ['bool', 'must_not', 'exists', 'field'],
       SERVICE_ENVIRONMENT
     );
diff --git a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_environment_ui_filter_es.ts b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_environment_ui_filter_es.ts
index 63d222a7fcb6e..87bc8dc968373 100644
--- a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_environment_ui_filter_es.ts
+++ b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_environment_ui_filter_es.ts
@@ -8,19 +8,12 @@ import { ESFilter } from '../../../../typings/elasticsearch';
 import { ENVIRONMENT_NOT_DEFINED } from '../../../../common/environment_filter_values';
 import { SERVICE_ENVIRONMENT } from '../../../../common/elasticsearch_fieldnames';
 
-export function getEnvironmentUiFilterES(
-  environment?: string
-): ESFilter | undefined {
+export function getEnvironmentUiFilterES(environment?: string): ESFilter[] {
   if (!environment) {
-    return undefined;
+    return [];
   }
-
   if (environment === ENVIRONMENT_NOT_DEFINED) {
-    return {
-      bool: { must_not: { exists: { field: SERVICE_ENVIRONMENT } } },
-    };
+    return [{ bool: { must_not: { exists: { field: SERVICE_ENVIRONMENT } } } }];
   }
-  return {
-    term: { [SERVICE_ENVIRONMENT]: environment },
-  };
+  return [{ term: { [SERVICE_ENVIRONMENT]: environment } }];
 }
diff --git a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_ui_filters_es.ts b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_ui_filters_es.ts
index b34d5535d58cc..c1405b44f2a8a 100644
--- a/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_ui_filters_es.ts
+++ b/x-pack/plugins/apm/server/lib/helpers/convert_ui_filters/get_ui_filters_es.ts
@@ -27,22 +27,19 @@ export function getUiFiltersES(uiFilters: UIFilters) {
       };
     }) as ESFilter[];
 
-  // remove undefined items from list
   const esFilters = [
-    getKueryUiFilterES(uiFilters.kuery),
-    getEnvironmentUiFilterES(uiFilters.environment),
-  ]
-    .filter((filter) => !!filter)
-    .concat(mappedFilters) as ESFilter[];
+    ...getKueryUiFilterES(uiFilters.kuery),
+    ...getEnvironmentUiFilterES(uiFilters.environment),
+  ].concat(mappedFilters) as ESFilter[];
 
   return esFilters;
 }
 
 function getKueryUiFilterES(kuery?: string) {
   if (!kuery) {
-    return;
+    return [];
   }
 
   const ast = esKuery.fromKueryExpression(kuery);
-  return esKuery.toElasticsearchQuery(ast) as ESFilter;
+  return [esKuery.toElasticsearchQuery(ast) as ESFilter];
 }
diff --git a/x-pack/plugins/apm/server/lib/service_map/get_service_map_service_node_info.ts b/x-pack/plugins/apm/server/lib/service_map/get_service_map_service_node_info.ts
index 85bfc08b46ca5..dd5d19b620c51 100644
--- a/x-pack/plugins/apm/server/lib/service_map/get_service_map_service_node_info.ts
+++ b/x-pack/plugins/apm/server/lib/service_map/get_service_map_service_node_info.ts
@@ -45,13 +45,9 @@ export async function getServiceMapServiceNodeInfo({
   const filter: ESFilter[] = [
     { range: rangeFilter(start, end) },
     { term: { [SERVICE_NAME]: serviceName } },
+    ...getEnvironmentUiFilterES(environment),
   ];
 
-  const environmentFilter = getEnvironmentUiFilterES(environment);
-  if (environmentFilter) {
-    filter.push(environmentFilter);
-  }
-
   const minutes = Math.abs((end - start) / (1000 * 60));
   const taskParams = { setup, minutes, filter };
 
diff --git a/x-pack/plugins/apm/server/lib/services/annotations/get_derived_service_annotations.ts b/x-pack/plugins/apm/server/lib/services/annotations/get_derived_service_annotations.ts
index 6da5d195cf194..6a8aaf8dca8a6 100644
--- a/x-pack/plugins/apm/server/lib/services/annotations/get_derived_service_annotations.ts
+++ b/x-pack/plugins/apm/server/lib/services/annotations/get_derived_service_annotations.ts
@@ -29,14 +29,9 @@ export async function getDerivedServiceAnnotations({
   const filter: ESFilter[] = [
     { term: { [PROCESSOR_EVENT]: 'transaction' } },
     { term: { [SERVICE_NAME]: serviceName } },
+    ...getEnvironmentUiFilterES(environment),
   ];
 
-  const environmentFilter = getEnvironmentUiFilterES(environment);
-
-  if (environmentFilter) {
-    filter.push(environmentFilter);
-  }
-
   const versions =
     (
       await client.search({
diff --git a/x-pack/plugins/apm/server/lib/services/annotations/get_stored_annotations.ts b/x-pack/plugins/apm/server/lib/services/annotations/get_stored_annotations.ts
index 75aeb27ea2122..6e3ae0181ddee 100644
--- a/x-pack/plugins/apm/server/lib/services/annotations/get_stored_annotations.ts
+++ b/x-pack/plugins/apm/server/lib/services/annotations/get_stored_annotations.ts
@@ -29,8 +29,6 @@ export async function getStoredAnnotations({
   logger: Logger;
 }): Promise<Annotation[]> {
   try {
-    const environmentFilter = getEnvironmentUiFilterES(environment);
-
     const response: ESSearchResponse<ESAnnotation, any> = (await apiCaller(
       'search',
       {
@@ -51,7 +49,7 @@ export async function getStoredAnnotations({
                 { term: { 'annotation.type': 'deployment' } },
                 { term: { tags: 'apm' } },
                 { term: { [SERVICE_NAME]: serviceName } },
-                ...(environmentFilter ? [environmentFilter] : []),
+                ...getEnvironmentUiFilterES(environment),
               ],
             },
           },