diff --git a/src/components/NavigationFolder.vue b/src/components/NavigationFolder.vue
index d23be443d4..6fa5b2f11c 100644
--- a/src/components/NavigationFolder.vue
+++ b/src/components/NavigationFolder.vue
@@ -38,6 +38,7 @@
 
 				<!-- TODO: make *mark as read* available for all folders once there is more than one action -->
 				<ActionButton
+					v-if="!account.isUnified"
 					icon="icon-checkmark"
 					:title="t('mail', 'Mark all as read')"
 					:disabled="loadingMarkAsRead"