diff --git a/resources/ui/window.blp b/resources/ui/window.blp
index 4f53e7f..476c28f 100644
--- a/resources/ui/window.blp
+++ b/resources/ui/window.blp
@@ -79,7 +79,6 @@ template $FlashcardsAppWindow : Adw.ApplicationWindow {
           [title]
           Adw.WindowTitle title {
             title: _("Flashcards");
-            subtitle: "Test";
           }
         }
 
diff --git a/src/flashcardsappwin.c b/src/flashcardsappwin.c
index 2583e57..2bd6387 100644
--- a/src/flashcardsappwin.c
+++ b/src/flashcardsappwin.c
@@ -134,8 +134,9 @@ on_delete_category (__attribute__ ((unused)) GtkButton *self,
   database_delete_category (win->db, win->current_category.id);
 
   gtk_list_box_unselect_all (win->topics);
-  adw_view_stack_set_visible_child (win->main_view, win->placeholder_category);
 
+  adw_window_title_set_subtitle (ADW_WINDOW_TITLE (win->title), nullptr);
+  adw_view_stack_set_visible_child (win->main_view, win->placeholder_category);
   gtk_widget_set_visible (GTK_WIDGET (win->add_card_button), FALSE);
   gtk_widget_set_visible (GTK_WIDGET (win->delete_card_button), FALSE);
   gtk_widget_set_visible (GTK_WIDGET (win->delete_category_button), FALSE);