diff --git a/src/js/core/modal_dialog_forms.js b/src/js/core/modal_dialog_forms.js
index 06bdafac..69fa5f44 100644
--- a/src/js/core/modal_dialog_forms.js
+++ b/src/js/core/modal_dialog_forms.js
@@ -170,7 +170,7 @@ export class FormElementCheckbox extends FormElement {
         this.element.classList.toggle("checked", this.value);
     }
 
-    focus(parent) {}
+    focus() {}
 }
 
 export class FormElementCheckboxList extends FormElement {
@@ -195,7 +195,7 @@ export class FormElementCheckboxList extends FormElement {
         return this.checkboxes.map(checkbox => checkbox.getValue());
     }
 
-    focus(parent) {}
+    focus() {}
 }
 
 export class FormElementItemChooser extends FormElement {