diff --git a/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts b/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
index 6b78e579cf..66480c8218 100644
--- a/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
@@ -44,7 +44,6 @@ import {
   defaultWidgetAction,
   WidgetActionSource,
   WidgetHeaderActionButtonType,
-  widgetHeaderActionButtonTypeMap,
   WidgetHeaderActionButtonTypes,
   widgetHeaderActionButtonTypeTranslationMap,
   widgetType
@@ -92,7 +91,6 @@ export class WidgetActionDialogComponent extends DialogComponent<WidgetActionDia
   widgetHeaderActionButtonType = WidgetHeaderActionButtonType
   widgetHeaderActionButtonTypes = WidgetHeaderActionButtonTypes;
   widgetHeaderActionButtonTypeTranslationMap = widgetHeaderActionButtonTypeTranslationMap;
-  widgetHeaderActionButtonTypeMap = widgetHeaderActionButtonTypeMap;
 
   @ViewChild('columnIndexSelect') columnIndexSelect: MatSelect;
   columnIndexPlaceholderText = this.translate.instant('widget-config.select-column-index');
diff --git a/ui-ngx/src/app/shared/models/widget.models.ts b/ui-ngx/src/app/shared/models/widget.models.ts
index 54023d26e8..271318838b 100644
--- a/ui-ngx/src/app/shared/models/widget.models.ts
+++ b/ui-ngx/src/app/shared/models/widget.models.ts
@@ -587,15 +587,6 @@ export const widgetHeaderActionButtonTypeTranslationMap = new Map<WidgetHeaderAc
   [WidgetHeaderActionButtonType.miniFab, 'widget-config.header-button.button-type-mini-fab']
 ]);
 
-export const widgetHeaderActionButtonTypeMap = new Map<WidgetHeaderActionButtonType, string>([
-  [WidgetHeaderActionButtonType.basic, 'mat-button'],
-  [WidgetHeaderActionButtonType.raised, 'mat-raised-button'],
-  [WidgetHeaderActionButtonType.stroked, 'mat-stroked-button'],
-  [WidgetHeaderActionButtonType.flat, 'mat-flat-button'],
-  [WidgetHeaderActionButtonType.icon, 'mat-icon-button'],
-  [WidgetHeaderActionButtonType.miniFab, 'mat-mini-fab']
-]);
-
 export enum WidgetActionType {
   doNothing = 'doNothing',
   openDashboardState = 'openDashboardState',