app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/main/MainWindowController.java

@@ -34,12 +34,12 @@ public class MainWindowController extends FXController {
      * Method changes the language Setting to german
      */
     @FXML
-    void changeLangToGerman(ActionEvent event) {
+    void changeLangToGerman() {
         getLanguageConfigurator().changeLanguage(LanguageConfigurator.Language.GERMAN);
     }
 
     @FXML
-    void changeLangToEnglish(ActionEvent event) {
+    void changeLangToEnglish() {
         getLanguageConfigurator().changeLanguage(LanguageConfigurator.Language.ENGLISH);
     }