diff --git a/lib/buttons-and-links/KIconButton.vue b/lib/buttons-and-links/KIconButton.vue
index 59f499409..a67501cce 100644
--- a/lib/buttons-and-links/KIconButton.vue
+++ b/lib/buttons-and-links/KIconButton.vue
@@ -80,14 +80,14 @@
        */
       ariaLabel: {
         type: String,
-        default: null,
+        default: null, // https://github.com/learningequality/kolibri-design-system/issues/168
       },
       /**
        * Tooltip label
        */
       tooltip: {
         type: String,
-        required: true,
+        default: null, // https://github.com/learningequality/kolibri-design-system/issues/168
       },
     },
     computed: {