diff --git a/x-pack/plugins/ml/public/application/components/annotations/annotations_table/annotations_table.js b/x-pack/plugins/ml/public/application/components/annotations/annotations_table/annotations_table.js
index b752b8d9238418..c6ca4fb821984f 100644
--- a/x-pack/plugins/ml/public/application/components/annotations/annotations_table/annotations_table.js
+++ b/x-pack/plugins/ml/public/application/components/annotations/annotations_table/annotations_table.js
@@ -9,7 +9,7 @@
  * This version supports both fetching the annotations by itself (used in the jobs list) and
  * getting the annotations via props (used in Anomaly Explorer and Single Series Viewer).
  */
-import has from 'lodash/has';
+
 import uniq from 'lodash/uniq';
 
 import PropTypes from 'prop-types';
@@ -257,18 +257,18 @@ export class AnnotationsTable extends Component {
 
     // if the annotation is at the series level
     // then pass the partitioning field(s) and detector index to the Single Metric Viewer
-    if (has(annotation, 'detector_index')) {
+    if (annotation.detector_index !== undefined) {
       mlTimeSeriesExplorer.detectorIndex = annotation.detector_index;
     }
-    if (has(annotation, 'partition_field_value')) {
+    if (annotation.partition_field_value !== undefined) {
       entityCondition[annotation.partition_field_name] = annotation.partition_field_value;
     }
 
-    if (has(annotation, 'over_field_value')) {
+    if (annotation.over_field_value !== undefined) {
       entityCondition[annotation.over_field_name] = annotation.over_field_value;
     }
 
-    if (has(annotation, 'by_field_value')) {
+    if (annotation.by_field_value !== undefined) {
       // Note that analyses with by and over fields, will have a top-level by_field_name,
       // but the by_field_value(s) will be in the nested causes array.
       entityCondition[annotation.by_field_name] = annotation.by_field_value;
diff --git a/x-pack/plugins/ml/public/application/explorer/explorer_charts/explorer_chart_config_builder.js b/x-pack/plugins/ml/public/application/explorer/explorer_charts/explorer_chart_config_builder.js
index 96969f94891136..b75784c95c5209 100644
--- a/x-pack/plugins/ml/public/application/explorer/explorer_charts/explorer_chart_config_builder.js
+++ b/x-pack/plugins/ml/public/application/explorer/explorer_charts/explorer_chart_config_builder.js
@@ -9,8 +9,6 @@
  * the raw data in the Explorer dashboard.
  */
 
-import has from 'lodash/has';
-
 import { parseInterval } from '../../../../common/util/parse_interval';
 import { getEntityFieldList } from '../../../../common/util/anomaly_utils';
 import { buildConfigFromDetector } from '../../util/chart_config_builder';
@@ -30,7 +28,7 @@ export function buildConfig(record) {
 
   config.detectorLabel = record.function;
   if (
-    has(mlJobService.detectorsByJob, record.job_id) &&
+    mlJobService.detectorsByJob[record.job_id] !== undefined &&
     detectorIndex < mlJobService.detectorsByJob[record.job_id].length
   ) {
     config.detectorLabel =