diff --git a/src/shared/utils/Browser.ts b/src/shared/utils/Browser.ts
index 85d739a6..be71d875 100644
--- a/src/shared/utils/Browser.ts
+++ b/src/shared/utils/Browser.ts
@@ -24,6 +24,6 @@ export const isLinux = platform.indexOf('Linux') >= 0;
  * @param {Array} array The array to search for the given element.
  * @param {Object} el The element to look for into the array
  */
-export function contains(arr: any[], el: any): boolean {
+function contains(arr: any[], el: any): boolean {
   return arr.indexOf(el) >= 0;
 }