diff --git a/src/activity.js b/src/activity.js
index ddf7c89ca3122e2127f1506f800cb619508b8a30..b661ce5db375e09a2c3591e1d650e7de6eb7339c 100644
--- a/src/activity.js
+++ b/src/activity.js
@@ -1,7 +1,6 @@
 export class Activity {
     constructor(data) {
         this._data = data;
-        this._defaultLang = 'en';
     }
 
     getName(lang) {