diff --git a/src/components/tab_switcher/tab_switcher.js b/src/components/tab_switcher/tab_switcher.js
index b26040ff..e0d4572c 100644
--- a/src/components/tab_switcher/tab_switcher.js
+++ b/src/components/tab_switcher/tab_switcher.js
@@ -17,7 +17,7 @@ export default Vue.component('tab-switcher', {
     }
   },
   methods: {
-    activateTab (index, dataset) {
+    activateTab (index) {
       return () => {
         if (typeof this.onSwitch === 'function') {
           this.onSwitch.call(null, this.$slots.default[index].key)