diff --git a/src/components/calendar/Calendar.d.ts b/src/components/calendar/Calendar.d.ts
index a4e92d4d18..aca1c67515 100644
--- a/src/components/calendar/Calendar.d.ts
+++ b/src/components/calendar/Calendar.d.ts
@@ -1,17 +1,5 @@
 import * as React from 'react';
 import TooltipOptions from '../tooltip/TooltipOptions';
-
-export interface LocaleSettings {
-    firstDayOfWeek?: number;
-    dayNames: string[];
-    dayNamesShort: string[];
-    dayNamesMin: string[];
-    monthNames: string[];
-    monthNamesShort: string[];
-    today: string;
-    clear: string;
-}
-
 export interface DateMetaData {
     day: number;
     month: number;
@@ -57,7 +45,7 @@ interface CalendarProps {
     shortYearCutoff?: string;
     hideOnDateTimeSelect?: boolean;
     showWeek?: boolean;
-    locale?: LocaleSettings;
+    locale?: string;
     dateFormat?: string;
     panelStyle?: object;
     panelClassName?: string;