diff --git a/src/plugins/plot/src/chart/MCTChartController.js b/src/plugins/plot/src/chart/MCTChartController.js
index 83ff610374..e211473385 100644
--- a/src/plugins/plot/src/chart/MCTChartController.js
+++ b/src/plugins/plot/src/chart/MCTChartController.js
@@ -30,8 +30,7 @@ define([
     './MCTChartPointSet',
     './MCTChartAlarmPointSet',
     '../draw/DrawLoader',
-    '../lib/eventHelpers',
-    'lodash'
+    '../lib/eventHelpers'
 ],
 function (
     MCTChartLineLinear,
@@ -39,8 +38,7 @@ function (
     MCTChartPointSet,
     MCTChartAlarmPointSet,
     DrawLoader,
-    eventHelpers,
-    _
+    eventHelpers
 ) {
 
     var MARKER_SIZE = 6.0,
diff --git a/src/plugins/plot/src/configuration/Collection.js b/src/plugins/plot/src/configuration/Collection.js
index 164bd1ebd8..32eb91eee0 100644
--- a/src/plugins/plot/src/configuration/Collection.js
+++ b/src/plugins/plot/src/configuration/Collection.js
@@ -22,13 +22,11 @@
 /*global define*/
 
 define([
-    'lodash',
     'EventEmitter',
     './Model',
     '../lib/extend',
     '../lib/eventHelpers'
 ], function (
-    _,
     EventEmitter,
     Model,
     extend,
diff --git a/src/plugins/plot/src/draw/Draw2D.js b/src/plugins/plot/src/draw/Draw2D.js
index 812a0c7a67..4947e80b5d 100644
--- a/src/plugins/plot/src/draw/Draw2D.js
+++ b/src/plugins/plot/src/draw/Draw2D.js
@@ -22,11 +22,9 @@
 
 
 define([
-    'lodash',
     'EventEmitter',
     '../lib/eventHelpers'
 ], function (
-    _,
     EventEmitter,
     eventHelpers
 ) {
diff --git a/src/plugins/plot/src/draw/DrawWebGL.js b/src/plugins/plot/src/draw/DrawWebGL.js
index 1c5f5128a1..e1abfdb645 100644
--- a/src/plugins/plot/src/draw/DrawWebGL.js
+++ b/src/plugins/plot/src/draw/DrawWebGL.js
@@ -22,11 +22,9 @@
 
 
 define([
-    'lodash',
     'EventEmitter',
     '../lib/eventHelpers'
 ], function (
-    _,
     EventEmitter,
     eventHelpers
 ) {
diff --git a/src/plugins/plot/src/inspector/PlotOptionsController.js b/src/plugins/plot/src/inspector/PlotOptionsController.js
index 776b7ecd94..00efa3694c 100644
--- a/src/plugins/plot/src/inspector/PlotOptionsController.js
+++ b/src/plugins/plot/src/inspector/PlotOptionsController.js
@@ -23,13 +23,11 @@
 define([
     '../configuration/configStore',
     '../lib/eventHelpers',
-    'objectUtils',
-    'lodash'
+    'objectUtils'
 ], function (
     configStore,
     eventHelpers,
-    objectUtils,
-    _
+    objectUtils
 ) {
 
     function PlotOptionsController($scope, openmct, $timeout) {
diff --git a/src/plugins/plot/src/inspector/PlotYAxisFormController.js b/src/plugins/plot/src/inspector/PlotYAxisFormController.js
index d1e2b71de0..20c4802072 100644
--- a/src/plugins/plot/src/inspector/PlotYAxisFormController.js
+++ b/src/plugins/plot/src/inspector/PlotYAxisFormController.js
@@ -21,11 +21,9 @@
  *****************************************************************************/
 
 define([
-    './PlotModelFormController',
-    'lodash'
+    './PlotModelFormController'
 ], function (
-    PlotModelFormController,
-    _
+    PlotModelFormController
 ) {
 
     var PlotYAxisFormController = PlotModelFormController.extend({
diff --git a/src/plugins/plot/src/telemetry/StackedPlotController.js b/src/plugins/plot/src/telemetry/StackedPlotController.js
index 9d7b27accd..26a93699eb 100644
--- a/src/plugins/plot/src/telemetry/StackedPlotController.js
+++ b/src/plugins/plot/src/telemetry/StackedPlotController.js
@@ -20,12 +20,7 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 
-define([
-    'lodash'
-], function (
-    _
-) {
-
+define([], function () {
     function StackedPlotController($scope, openmct, objectService, $element, exportImageService) {
         var tickWidth = 0,
             composition,
@@ -125,12 +120,13 @@ define([
         $scope.$watch('domainObject.getModel().composition', onCompositionChange);
 
         $scope.$on('plot:tickWidth', function ($e, width) {
-            var plotId = $e.targetScope.domainObject.getId();
+            const plotId = $e.targetScope.domainObject.getId();
             if (!tickWidthMap.hasOwnProperty(plotId)) {
                 return;
             }
+
             tickWidthMap[plotId] = Math.max(width, tickWidthMap[plotId]);
-            var newTickWidth = _.max(tickWidthMap);
+            const newTickWidth = Math.max(...Object.values(tickWidthMap));
             if (newTickWidth !== tickWidth || width !== tickWidth) {
                 tickWidth = newTickWidth;
                 $scope.$broadcast('plot:tickWidth', tickWidth);